diff options
Diffstat (limited to 'thirdparty/pcre2/src/sljit/sljitNativeSPARC_common.c')
| -rw-r--r-- | thirdparty/pcre2/src/sljit/sljitNativeSPARC_common.c | 1450 |
1 files changed, 1450 insertions, 0 deletions
diff --git a/thirdparty/pcre2/src/sljit/sljitNativeSPARC_common.c b/thirdparty/pcre2/src/sljit/sljitNativeSPARC_common.c new file mode 100644 index 0000000000..7445fc4723 --- /dev/null +++ b/thirdparty/pcre2/src/sljit/sljitNativeSPARC_common.c @@ -0,0 +1,1450 @@ +/* + * Stack-less Just-In-Time compiler + * + * Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT + * SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +SLJIT_API_FUNC_ATTRIBUTE const char* sljit_get_platform_name(void) +{ + return "SPARC" SLJIT_CPUINFO; +} + +/* Length of an instruction word + Both for sparc-32 and sparc-64 */ +typedef sljit_u32 sljit_ins; + +#if (defined SLJIT_CACHE_FLUSH_OWN_IMPL && SLJIT_CACHE_FLUSH_OWN_IMPL) + +static void sparc_cache_flush(sljit_ins *from, sljit_ins *to) +{ +#if defined(__SUNPRO_C) && __SUNPRO_C < 0x590 + __asm ( + /* if (from == to) return */ + "cmp %i0, %i1\n" + "be .leave\n" + "nop\n" + + /* loop until from >= to */ + ".mainloop:\n" + "flush %i0\n" + "add %i0, 8, %i0\n" + "cmp %i0, %i1\n" + "bcs .mainloop\n" + "nop\n" + + /* The comparison was done above. */ + "bne .leave\n" + /* nop is not necessary here, since the + sub operation has no side effect. */ + "sub %i0, 4, %i0\n" + "flush %i0\n" + ".leave:" + ); +#else + if (SLJIT_UNLIKELY(from == to)) + return; + + do { + __asm__ volatile ( + "flush %0\n" + : : "r"(from) + ); + /* Operates at least on doubleword. */ + from += 2; + } while (from < to); + + if (from == to) { + /* Flush the last word. */ + from --; + __asm__ volatile ( + "flush %0\n" + : : "r"(from) + ); + } +#endif +} + +#endif /* (defined SLJIT_CACHE_FLUSH_OWN_IMPL && SLJIT_CACHE_FLUSH_OWN_IMPL) */ + +/* TMP_REG2 is not used by getput_arg */ +#define TMP_REG1 (SLJIT_NUMBER_OF_REGISTERS + 2) +#define TMP_REG2 (SLJIT_NUMBER_OF_REGISTERS + 3) +#define TMP_REG3 (SLJIT_NUMBER_OF_REGISTERS + 4) +#define TMP_LINK (SLJIT_NUMBER_OF_REGISTERS + 5) + +#define TMP_FREG1 (0) +#define TMP_FREG2 ((SLJIT_NUMBER_OF_FLOAT_REGISTERS + 1) << 1) + +static const sljit_u8 reg_map[SLJIT_NUMBER_OF_REGISTERS + 6] = { + 0, 8, 9, 10, 13, 29, 28, 27, 23, 22, 21, 20, 19, 18, 17, 16, 26, 25, 24, 14, 1, 11, 12, 15 +}; + +/* --------------------------------------------------------------------- */ +/* Instrucion forms */ +/* --------------------------------------------------------------------- */ + +#define D(d) (reg_map[d] << 25) +#define DA(d) ((d) << 25) +#define S1(s1) (reg_map[s1] << 14) +#define S2(s2) (reg_map[s2]) +#define S1A(s1) ((s1) << 14) +#define S2A(s2) (s2) +#define IMM_ARG 0x2000 +#define DOP(op) ((op) << 5) +#define IMM(imm) (((imm) & 0x1fff) | IMM_ARG) + +#define DR(dr) (reg_map[dr]) +#define OPC1(opcode) ((opcode) << 30) +#define OPC2(opcode) ((opcode) << 22) +#define OPC3(opcode) ((opcode) << 19) +#define SET_FLAGS OPC3(0x10) + +#define ADD (OPC1(0x2) | OPC3(0x00)) +#define ADDC (OPC1(0x2) | OPC3(0x08)) +#define AND (OPC1(0x2) | OPC3(0x01)) +#define ANDN (OPC1(0x2) | OPC3(0x05)) +#define CALL (OPC1(0x1)) +#define FABSS (OPC1(0x2) | OPC3(0x34) | DOP(0x09)) +#define FADDD (OPC1(0x2) | OPC3(0x34) | DOP(0x42)) +#define FADDS (OPC1(0x2) | OPC3(0x34) | DOP(0x41)) +#define FCMPD (OPC1(0x2) | OPC3(0x35) | DOP(0x52)) +#define FCMPS (OPC1(0x2) | OPC3(0x35) | DOP(0x51)) +#define FDIVD (OPC1(0x2) | OPC3(0x34) | DOP(0x4e)) +#define FDIVS (OPC1(0x2) | OPC3(0x34) | DOP(0x4d)) +#define FDTOI (OPC1(0x2) | OPC3(0x34) | DOP(0xd2)) +#define FDTOS (OPC1(0x2) | OPC3(0x34) | DOP(0xc6)) +#define FITOD (OPC1(0x2) | OPC3(0x34) | DOP(0xc8)) +#define FITOS (OPC1(0x2) | OPC3(0x34) | DOP(0xc4)) +#define FMOVS (OPC1(0x2) | OPC3(0x34) | DOP(0x01)) +#define FMULD (OPC1(0x2) | OPC3(0x34) | DOP(0x4a)) +#define FMULS (OPC1(0x2) | OPC3(0x34) | DOP(0x49)) +#define FNEGS (OPC1(0x2) | OPC3(0x34) | DOP(0x05)) +#define FSTOD (OPC1(0x2) | OPC3(0x34) | DOP(0xc9)) +#define FSTOI (OPC1(0x2) | OPC3(0x34) | DOP(0xd1)) +#define FSUBD (OPC1(0x2) | OPC3(0x34) | DOP(0x46)) +#define FSUBS (OPC1(0x2) | OPC3(0x34) | DOP(0x45)) +#define JMPL (OPC1(0x2) | OPC3(0x38)) +#define NOP (OPC1(0x0) | OPC2(0x04)) +#define OR (OPC1(0x2) | OPC3(0x02)) +#define ORN (OPC1(0x2) | OPC3(0x06)) +#define RDY (OPC1(0x2) | OPC3(0x28) | S1A(0)) +#define RESTORE (OPC1(0x2) | OPC3(0x3d)) +#define SAVE (OPC1(0x2) | OPC3(0x3c)) +#define SETHI (OPC1(0x0) | OPC2(0x04)) +#define SLL (OPC1(0x2) | OPC3(0x25)) +#define SLLX (OPC1(0x2) | OPC3(0x25) | (1 << 12)) +#define SRA (OPC1(0x2) | OPC3(0x27)) +#define SRAX (OPC1(0x2) | OPC3(0x27) | (1 << 12)) +#define SRL (OPC1(0x2) | OPC3(0x26)) +#define SRLX (OPC1(0x2) | OPC3(0x26) | (1 << 12)) +#define SUB (OPC1(0x2) | OPC3(0x04)) +#define SUBC (OPC1(0x2) | OPC3(0x0c)) +#define TA (OPC1(0x2) | OPC3(0x3a) | (8 << 25)) +#define WRY (OPC1(0x2) | OPC3(0x30) | DA(0)) +#define XOR (OPC1(0x2) | OPC3(0x03)) +#define XNOR (OPC1(0x2) | OPC3(0x07)) + +#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) +#define MAX_DISP (0x1fffff) +#define MIN_DISP (-0x200000) +#define DISP_MASK (0x3fffff) + +#define BICC (OPC1(0x0) | OPC2(0x2)) +#define FBFCC (OPC1(0x0) | OPC2(0x6)) +#define SLL_W SLL +#define SDIV (OPC1(0x2) | OPC3(0x0f)) +#define SMUL (OPC1(0x2) | OPC3(0x0b)) +#define UDIV (OPC1(0x2) | OPC3(0x0e)) +#define UMUL (OPC1(0x2) | OPC3(0x0a)) +#else +#define SLL_W SLLX +#endif + +#define SIMM_MAX (0x0fff) +#define SIMM_MIN (-0x1000) + +/* dest_reg is the absolute name of the register + Useful for reordering instructions in the delay slot. */ +static sljit_s32 push_inst(struct sljit_compiler *compiler, sljit_ins ins, sljit_s32 delay_slot) +{ + sljit_ins *ptr; + SLJIT_ASSERT((delay_slot & DST_INS_MASK) == UNMOVABLE_INS + || (delay_slot & DST_INS_MASK) == MOVABLE_INS + || (delay_slot & DST_INS_MASK) == ((ins >> 25) & 0x1f)); + ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins)); + FAIL_IF(!ptr); + *ptr = ins; + compiler->size++; + compiler->delay_slot = delay_slot; + return SLJIT_SUCCESS; +} + +static SLJIT_INLINE sljit_ins* detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code, sljit_sw executable_offset) +{ + sljit_sw diff; + sljit_uw target_addr; + sljit_ins *inst; + sljit_ins saved_inst; + + if (jump->flags & SLJIT_REWRITABLE_JUMP) + return code_ptr; + + if (jump->flags & JUMP_ADDR) + target_addr = jump->u.target; + else { + SLJIT_ASSERT(jump->flags & JUMP_LABEL); + target_addr = (sljit_uw)(code + jump->u.label->size) + (sljit_uw)executable_offset; + } + inst = (sljit_ins*)jump->addr; + +#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) + if (jump->flags & IS_CALL) { + /* Call is always patchable on sparc 32. */ + jump->flags |= PATCH_CALL; + if (jump->flags & IS_MOVABLE) { + inst[0] = inst[-1]; + inst[-1] = CALL; + jump->addr -= sizeof(sljit_ins); + return inst; + } + inst[0] = CALL; + inst[1] = NOP; + return inst + 1; + } +#else + /* Both calls and BPr instructions shall not pass this point. */ +#error "Implementation required" +#endif + + if (jump->flags & IS_COND) + inst--; + + diff = ((sljit_sw)target_addr - (sljit_sw)(inst - 1) - executable_offset) >> 2; + + if (jump->flags & IS_MOVABLE) { + if (diff <= MAX_DISP && diff >= MIN_DISP) { + jump->flags |= PATCH_B; + inst--; + if (jump->flags & IS_COND) { + saved_inst = inst[0]; + inst[0] = inst[1] ^ (1 << 28); + inst[1] = saved_inst; + } else { + inst[1] = inst[0]; + inst[0] = BICC | DA(0x8); + } + jump->addr = (sljit_uw)inst; + return inst + 1; + } + } + + diff += sizeof(sljit_ins); + + if (diff <= MAX_DISP && diff >= MIN_DISP) { + jump->flags |= PATCH_B; + if (jump->flags & IS_COND) + inst[0] ^= (1 << 28); + else + inst[0] = BICC | DA(0x8); + inst[1] = NOP; + jump->addr = (sljit_uw)inst; + return inst + 1; + } + + return code_ptr; +} + +SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler) +{ + struct sljit_memory_fragment *buf; + sljit_ins *code; + sljit_ins *code_ptr; + sljit_ins *buf_ptr; + sljit_ins *buf_end; + sljit_uw word_count; + sljit_sw executable_offset; + sljit_uw addr; + + struct sljit_label *label; + struct sljit_jump *jump; + struct sljit_const *const_; + + CHECK_ERROR_PTR(); + CHECK_PTR(check_sljit_generate_code(compiler)); + reverse_buf(compiler); + + code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins)); + PTR_FAIL_WITH_EXEC_IF(code); + buf = compiler->buf; + + code_ptr = code; + word_count = 0; + executable_offset = SLJIT_EXEC_OFFSET(code); + + label = compiler->labels; + jump = compiler->jumps; + const_ = compiler->consts; + + do { + buf_ptr = (sljit_ins*)buf->memory; + buf_end = buf_ptr + (buf->used_size >> 2); + do { + *code_ptr = *buf_ptr++; + SLJIT_ASSERT(!label || label->size >= word_count); + SLJIT_ASSERT(!jump || jump->addr >= word_count); + SLJIT_ASSERT(!const_ || const_->addr >= word_count); + /* These structures are ordered by their address. */ + if (label && label->size == word_count) { + /* Just recording the address. */ + label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); + label->size = code_ptr - code; + label = label->next; + } + if (jump && jump->addr == word_count) { +#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) + jump->addr = (sljit_uw)(code_ptr - 3); +#else + jump->addr = (sljit_uw)(code_ptr - 6); +#endif + code_ptr = detect_jump_type(jump, code_ptr, code, executable_offset); + jump = jump->next; + } + if (const_ && const_->addr == word_count) { + /* Just recording the address. */ + const_->addr = (sljit_uw)code_ptr; + const_ = const_->next; + } + code_ptr ++; + word_count ++; + } while (buf_ptr < buf_end); + + buf = buf->next; + } while (buf); + + if (label && label->size == word_count) { + label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); + label->size = code_ptr - code; + label = label->next; + } + + SLJIT_ASSERT(!label); + SLJIT_ASSERT(!jump); + SLJIT_ASSERT(!const_); + SLJIT_ASSERT(code_ptr - code <= (sljit_s32)compiler->size); + + jump = compiler->jumps; + while (jump) { + do { + addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target; + buf_ptr = (sljit_ins *)jump->addr; + + if (jump->flags & PATCH_CALL) { + addr = (sljit_sw)(addr - (sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset)) >> 2; + SLJIT_ASSERT((sljit_sw)addr <= 0x1fffffff && (sljit_sw)addr >= -0x20000000); + buf_ptr[0] = CALL | (addr & 0x3fffffff); + break; + } + if (jump->flags & PATCH_B) { + addr = (sljit_sw)(addr - (sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset)) >> 2; + SLJIT_ASSERT((sljit_sw)addr <= MAX_DISP && (sljit_sw)addr >= MIN_DISP); + buf_ptr[0] = (buf_ptr[0] & ~DISP_MASK) | (addr & DISP_MASK); + break; + } + + /* Set the fields of immediate loads. */ +#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) + buf_ptr[0] = (buf_ptr[0] & 0xffc00000) | ((addr >> 10) & 0x3fffff); + buf_ptr[1] = (buf_ptr[1] & 0xfffffc00) | (addr & 0x3ff); +#else +#error "Implementation required" +#endif + } while (0); + jump = jump->next; + } + + + compiler->error = SLJIT_ERR_COMPILED; + compiler->executable_offset = executable_offset; + compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins); + + code = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code, executable_offset); + code_ptr = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); + + SLJIT_CACHE_FLUSH(code, code_ptr); + return code; +} + +/* --------------------------------------------------------------------- */ +/* Entry, exit */ +/* --------------------------------------------------------------------- */ + +/* Creates an index in data_transfer_insts array. */ +#define LOAD_DATA 0x01 +#define WORD_DATA 0x00 +#define BYTE_DATA 0x02 +#define HALF_DATA 0x04 +#define INT_DATA 0x06 +#define SIGNED_DATA 0x08 +/* Separates integer and floating point registers */ +#define GPR_REG 0x0f +#define DOUBLE_DATA 0x10 +#define SINGLE_DATA 0x12 + +#define MEM_MASK 0x1f + +#define WRITE_BACK 0x00020 +#define ARG_TEST 0x00040 +#define ALT_KEEP_CACHE 0x00080 +#define CUMULATIVE_OP 0x00100 +#define IMM_OP 0x00200 +#define SRC2_IMM 0x00400 + +#define REG_DEST 0x00800 +#define REG2_SOURCE 0x01000 +#define SLOW_SRC1 0x02000 +#define SLOW_SRC2 0x04000 +#define SLOW_DEST 0x08000 + +/* SET_FLAGS (0x10 << 19) also belong here! */ + +#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) +#include "sljitNativeSPARC_32.c" +#else +#include "sljitNativeSPARC_64.c" +#endif + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler, + sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds, + sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size) +{ + CHECK_ERROR(); + CHECK(check_sljit_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size)); + set_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size); + + local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7; + compiler->local_size = local_size; + + if (local_size <= SIMM_MAX) { + FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | IMM(-local_size), UNMOVABLE_INS)); + } + else { + FAIL_IF(load_immediate(compiler, TMP_REG1, -local_size)); + FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | S2(TMP_REG1), UNMOVABLE_INS)); + } + + /* Arguments are in their appropriate registers. */ + + return SLJIT_SUCCESS; +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler, + sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds, + sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size) +{ + CHECK_ERROR(); + CHECK(check_sljit_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size)); + set_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size); + + compiler->local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7; + return SLJIT_SUCCESS; +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw) +{ + CHECK_ERROR(); + CHECK(check_sljit_emit_return(compiler, op, src, srcw)); + + if (op != SLJIT_MOV || !FAST_IS_REG(src)) { + FAIL_IF(emit_mov_before_return(compiler, op, src, srcw)); + src = SLJIT_R0; + } + + FAIL_IF(push_inst(compiler, JMPL | D(0) | S1A(31) | IMM(8), UNMOVABLE_INS)); + return push_inst(compiler, RESTORE | D(SLJIT_R0) | S1(src) | S2(0), UNMOVABLE_INS); +} + +/* --------------------------------------------------------------------- */ +/* Operators */ +/* --------------------------------------------------------------------- */ + +#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) +#define ARCH_32_64(a, b) a +#else +#define ARCH_32_64(a, b) b +#endif + +static const sljit_ins data_transfer_insts[16 + 4] = { +/* u w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */), +/* u w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */), +/* u b s */ OPC1(3) | OPC3(0x05) /* stb */, +/* u b l */ OPC1(3) | OPC3(0x01) /* ldub */, +/* u h s */ OPC1(3) | OPC3(0x06) /* sth */, +/* u h l */ OPC1(3) | OPC3(0x02) /* lduh */, +/* u i s */ OPC1(3) | OPC3(0x04) /* stw */, +/* u i l */ OPC1(3) | OPC3(0x00) /* lduw */, + +/* s w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */), +/* s w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */), +/* s b s */ OPC1(3) | OPC3(0x05) /* stb */, +/* s b l */ OPC1(3) | OPC3(0x09) /* ldsb */, +/* s h s */ OPC1(3) | OPC3(0x06) /* sth */, +/* s h l */ OPC1(3) | OPC3(0x0a) /* ldsh */, +/* s i s */ OPC1(3) | OPC3(0x04) /* stw */, +/* s i l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x08) /* ldsw */), + +/* d s */ OPC1(3) | OPC3(0x27), +/* d l */ OPC1(3) | OPC3(0x23), +/* s s */ OPC1(3) | OPC3(0x24), +/* s l */ OPC1(3) | OPC3(0x20), +}; + +#undef ARCH_32_64 + +/* Can perform an operation using at most 1 instruction. */ +static sljit_s32 getput_arg_fast(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw) +{ + SLJIT_ASSERT(arg & SLJIT_MEM); + + if (!(flags & WRITE_BACK) || !(arg & REG_MASK)) { + if ((!(arg & OFFS_REG_MASK) && argw <= SIMM_MAX && argw >= SIMM_MIN) + || ((arg & OFFS_REG_MASK) && (argw & 0x3) == 0)) { + /* Works for both absoulte and relative addresses (immediate case). */ + if (SLJIT_UNLIKELY(flags & ARG_TEST)) + return 1; + FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] + | ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg)) + | S1(arg & REG_MASK) | ((arg & OFFS_REG_MASK) ? S2(OFFS_REG(arg)) : IMM(argw)), + ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS)); + return -1; + } + } + return 0; +} + +/* See getput_arg below. + Note: can_cache is called only for binary operators. Those + operators always uses word arguments without write back. */ +static sljit_s32 can_cache(sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw) +{ + SLJIT_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM)); + + /* Simple operation except for updates. */ + if (arg & OFFS_REG_MASK) { + argw &= 0x3; + SLJIT_ASSERT(argw); + next_argw &= 0x3; + if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == next_argw) + return 1; + return 0; + } + + if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN)) + return 1; + return 0; +} + +/* Emit the necessary instructions. See can_cache above. */ +static sljit_s32 getput_arg(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw) +{ + sljit_s32 base, arg2, delay_slot; + sljit_ins dest; + + SLJIT_ASSERT(arg & SLJIT_MEM); + if (!(next_arg & SLJIT_MEM)) { + next_arg = 0; + next_argw = 0; + } + + base = arg & REG_MASK; + if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) { + argw &= 0x3; + SLJIT_ASSERT(argw != 0); + + /* Using the cache. */ + if (((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) && (argw == compiler->cache_argw)) + arg2 = TMP_REG3; + else { + if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == (next_argw & 0x3)) { + compiler->cache_arg = SLJIT_MEM | (arg & OFFS_REG_MASK); + compiler->cache_argw = argw; + arg2 = TMP_REG3; + } + else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base && reg != OFFS_REG(arg)) + arg2 = reg; + else /* It must be a mov operation, so tmp1 must be free to use. */ + arg2 = TMP_REG1; + FAIL_IF(push_inst(compiler, SLL_W | D(arg2) | S1(OFFS_REG(arg)) | IMM_ARG | argw, DR(arg2))); + } + } + else { + /* Using the cache. */ + if ((compiler->cache_arg == SLJIT_MEM) && (argw - compiler->cache_argw) <= SIMM_MAX && (argw - compiler->cache_argw) >= SIMM_MIN) { + if (argw != compiler->cache_argw) { + FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | S1(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3))); + compiler->cache_argw = argw; + } + arg2 = TMP_REG3; + } else { + if ((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN) { + compiler->cache_arg = SLJIT_MEM; + compiler->cache_argw = argw; + arg2 = TMP_REG3; + } + else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base) + arg2 = reg; + else /* It must be a mov operation, so tmp1 must be free to use. */ + arg2 = TMP_REG1; + FAIL_IF(load_immediate(compiler, arg2, argw)); + } + } + + dest = ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg)); + delay_slot = ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS; + if (!base) + return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(arg2) | IMM(0), delay_slot); + if (!(flags & WRITE_BACK)) + return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot); + FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot)); + return push_inst(compiler, ADD | D(base) | S1(base) | S2(arg2), DR(base)); +} + +static SLJIT_INLINE sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw) +{ + if (getput_arg_fast(compiler, flags, reg, arg, argw)) + return compiler->error; + compiler->cache_arg = 0; + compiler->cache_argw = 0; + return getput_arg(compiler, flags, reg, arg, argw, 0, 0); +} + +static SLJIT_INLINE sljit_s32 emit_op_mem2(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg1, sljit_sw arg1w, sljit_s32 arg2, sljit_sw arg2w) +{ + if (getput_arg_fast(compiler, flags, reg, arg1, arg1w)) + return compiler->error; + return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w); +} + +static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 flags, + sljit_s32 dst, sljit_sw dstw, + sljit_s32 src1, sljit_sw src1w, + sljit_s32 src2, sljit_sw src2w) +{ + /* arg1 goes to TMP_REG1 or src reg + arg2 goes to TMP_REG2, imm or src reg + TMP_REG3 can be used for caching + result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */ + sljit_s32 dst_r = TMP_REG2; + sljit_s32 src1_r; + sljit_sw src2_r = 0; + sljit_s32 sugg_src2_r = TMP_REG2; + + if (!(flags & ALT_KEEP_CACHE)) { + compiler->cache_arg = 0; + compiler->cache_argw = 0; + } + + if (SLJIT_UNLIKELY(dst == SLJIT_UNUSED)) { + if (op >= SLJIT_MOV && op <= SLJIT_MOVU_S32 && !(src2 & SLJIT_MEM)) + return SLJIT_SUCCESS; + } + else if (FAST_IS_REG(dst)) { + dst_r = dst; + flags |= REG_DEST; + if (op >= SLJIT_MOV && op <= SLJIT_MOVU_S32) + sugg_src2_r = dst_r; + } + else if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, TMP_REG1, dst, dstw)) + flags |= SLOW_DEST; + + if (flags & IMM_OP) { + if ((src2 & SLJIT_IMM) && src2w) { + if (src2w <= SIMM_MAX && src2w >= SIMM_MIN) { + flags |= SRC2_IMM; + src2_r = src2w; + } + } + if (!(flags & SRC2_IMM) && (flags & CUMULATIVE_OP) && (src1 & SLJIT_IMM) && src1w) { + if (src1w <= SIMM_MAX && src1w >= SIMM_MIN) { + flags |= SRC2_IMM; + src2_r = src1w; + + /* And swap arguments. */ + src1 = src2; + src1w = src2w; + src2 = SLJIT_IMM; + /* src2w = src2_r unneeded. */ + } + } + } + + /* Source 1. */ + if (FAST_IS_REG(src1)) + src1_r = src1; + else if (src1 & SLJIT_IMM) { + if (src1w) { + FAIL_IF(load_immediate(compiler, TMP_REG1, src1w)); + src1_r = TMP_REG1; + } + else + src1_r = 0; + } + else { + if (getput_arg_fast(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w)) + FAIL_IF(compiler->error); + else + flags |= SLOW_SRC1; + src1_r = TMP_REG1; + } + + /* Source 2. */ + if (FAST_IS_REG(src2)) { + src2_r = src2; + flags |= REG2_SOURCE; + if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOVU_S32) + dst_r = src2_r; + } + else if (src2 & SLJIT_IMM) { + if (!(flags & SRC2_IMM)) { + if (src2w) { + FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w)); + src2_r = sugg_src2_r; + } + else { + src2_r = 0; + if ((op >= SLJIT_MOV && op <= SLJIT_MOVU_S32) && (dst & SLJIT_MEM)) + dst_r = 0; + } + } + } + else { + if (getput_arg_fast(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w)) + FAIL_IF(compiler->error); + else + flags |= SLOW_SRC2; + src2_r = sugg_src2_r; + } + + if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) { + SLJIT_ASSERT(src2_r == TMP_REG2); + if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) { + FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w)); + FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw)); + } + else { + FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w)); + FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw)); + } + } + else if (flags & SLOW_SRC1) + FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw)); + else if (flags & SLOW_SRC2) + FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw)); + + FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r)); + + if (dst & SLJIT_MEM) { + if (!(flags & SLOW_DEST)) { + getput_arg_fast(compiler, flags, dst_r, dst, dstw); + return compiler->error; + } + return getput_arg(compiler, flags, dst_r, dst, dstw, 0, 0); + } + + return SLJIT_SUCCESS; +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op) +{ + CHECK_ERROR(); + CHECK(check_sljit_emit_op0(compiler, op)); + + op = GET_OPCODE(op); + switch (op) { + case SLJIT_BREAKPOINT: + return push_inst(compiler, TA, UNMOVABLE_INS); + case SLJIT_NOP: + return push_inst(compiler, NOP, UNMOVABLE_INS); + case SLJIT_LMUL_UW: + case SLJIT_LMUL_SW: +#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) + FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? UMUL : SMUL) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0))); + return push_inst(compiler, RDY | D(SLJIT_R1), DR(SLJIT_R1)); +#else +#error "Implementation required" +#endif + case SLJIT_DIVMOD_UW: + case SLJIT_DIVMOD_SW: + case SLJIT_DIV_UW: + case SLJIT_DIV_SW: + SLJIT_COMPILE_ASSERT((SLJIT_DIVMOD_UW & 0x2) == 0 && SLJIT_DIV_UW - 0x2 == SLJIT_DIVMOD_UW, bad_div_opcode_assignments); +#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) + if ((op | 0x2) == SLJIT_DIV_UW) + FAIL_IF(push_inst(compiler, WRY | S1(0), MOVABLE_INS)); + else { + FAIL_IF(push_inst(compiler, SRA | D(TMP_REG1) | S1(SLJIT_R0) | IMM(31), DR(TMP_REG1))); + FAIL_IF(push_inst(compiler, WRY | S1(TMP_REG1), MOVABLE_INS)); + } + if (op <= SLJIT_DIVMOD_SW) + FAIL_IF(push_inst(compiler, OR | D(TMP_REG2) | S1(0) | S2(SLJIT_R0), DR(TMP_REG2))); + FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? UDIV : SDIV) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0))); + if (op >= SLJIT_DIV_UW) + return SLJIT_SUCCESS; + FAIL_IF(push_inst(compiler, SMUL | D(SLJIT_R1) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R1))); + return push_inst(compiler, SUB | D(SLJIT_R1) | S1(TMP_REG2) | S2(SLJIT_R1), DR(SLJIT_R1)); +#else +#error "Implementation required" +#endif + } + + return SLJIT_SUCCESS; +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 dst, sljit_sw dstw, + sljit_s32 src, sljit_sw srcw) +{ + sljit_s32 flags = GET_FLAGS(op) ? SET_FLAGS : 0; + + CHECK_ERROR(); + CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw)); + ADJUST_LOCAL_OFFSET(dst, dstw); + ADJUST_LOCAL_OFFSET(src, srcw); + + op = GET_OPCODE(op); + switch (op) { + case SLJIT_MOV: + case SLJIT_MOV_P: + return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw); + + case SLJIT_MOV_U32: + return emit_op(compiler, SLJIT_MOV_U32, flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw); + + case SLJIT_MOV_S32: + return emit_op(compiler, SLJIT_MOV_S32, flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw); + + case SLJIT_MOV_U8: + return emit_op(compiler, SLJIT_MOV_U8, flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u8)srcw : srcw); + + case SLJIT_MOV_S8: + return emit_op(compiler, SLJIT_MOV_S8, flags | BYTE_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s8)srcw : srcw); + + case SLJIT_MOV_U16: + return emit_op(compiler, SLJIT_MOV_U16, flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u16)srcw : srcw); + + case SLJIT_MOV_S16: + return emit_op(compiler, SLJIT_MOV_S16, flags | HALF_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s16)srcw : srcw); + + case SLJIT_MOVU: + case SLJIT_MOVU_P: + return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); + + case SLJIT_MOVU_U32: + return emit_op(compiler, SLJIT_MOV_U32, flags | INT_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); + + case SLJIT_MOVU_S32: + return emit_op(compiler, SLJIT_MOV_S32, flags | INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); + + case SLJIT_MOVU_U8: + return emit_op(compiler, SLJIT_MOV_U8, flags | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u8)srcw : srcw); + + case SLJIT_MOVU_S8: + return emit_op(compiler, SLJIT_MOV_S8, flags | BYTE_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s8)srcw : srcw); + + case SLJIT_MOVU_U16: + return emit_op(compiler, SLJIT_MOV_U16, flags | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u16)srcw : srcw); + + case SLJIT_MOVU_S16: + return emit_op(compiler, SLJIT_MOV_S16, flags | HALF_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s16)srcw : srcw); + + case SLJIT_NOT: + case SLJIT_CLZ: + return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw); + + case SLJIT_NEG: + return emit_op(compiler, SLJIT_SUB, flags | IMM_OP, dst, dstw, SLJIT_IMM, 0, src, srcw); + } + + return SLJIT_SUCCESS; +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 dst, sljit_sw dstw, + sljit_s32 src1, sljit_sw src1w, + sljit_s32 src2, sljit_sw src2w) +{ + sljit_s32 flags = GET_FLAGS(op) ? SET_FLAGS : 0; + + CHECK_ERROR(); + CHECK(check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w)); + ADJUST_LOCAL_OFFSET(dst, dstw); + ADJUST_LOCAL_OFFSET(src1, src1w); + ADJUST_LOCAL_OFFSET(src2, src2w); + + op = GET_OPCODE(op); + switch (op) { + case SLJIT_ADD: + case SLJIT_ADDC: + case SLJIT_MUL: + case SLJIT_AND: + case SLJIT_OR: + case SLJIT_XOR: + return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w); + + case SLJIT_SUB: + case SLJIT_SUBC: + return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w); + + case SLJIT_SHL: + case SLJIT_LSHR: + case SLJIT_ASHR: +#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) + if (src2 & SLJIT_IMM) + src2w &= 0x1f; +#else + SLJIT_ASSERT_STOP(); +#endif + return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w); + } + + return SLJIT_SUCCESS; +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg) +{ + CHECK_REG_INDEX(check_sljit_get_register_index(reg)); + return reg_map[reg]; +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_float_register_index(sljit_s32 reg) +{ + CHECK_REG_INDEX(check_sljit_get_float_register_index(reg)); + return reg << 1; +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler, + void *instruction, sljit_s32 size) +{ + CHECK_ERROR(); + CHECK(check_sljit_emit_op_custom(compiler, instruction, size)); + + return push_inst(compiler, *(sljit_ins*)instruction, UNMOVABLE_INS); +} + +/* --------------------------------------------------------------------- */ +/* Floating point operators */ +/* --------------------------------------------------------------------- */ + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_is_fpu_available(void) +{ +#ifdef SLJIT_IS_FPU_AVAILABLE + return SLJIT_IS_FPU_AVAILABLE; +#else + /* Available by default. */ + return 1; +#endif +} + +#define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_F32_OP) >> 7)) +#define SELECT_FOP(op, single, double) ((op & SLJIT_F32_OP) ? single : double) +#define FLOAT_TMP_MEM_OFFSET (22 * sizeof(sljit_sw)) + +static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 dst, sljit_sw dstw, + sljit_s32 src, sljit_sw srcw) +{ + if (src & SLJIT_MEM) { + FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw)); + src = TMP_FREG1; + } + else + src <<= 1; + + FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOI, FDTOI) | DA(TMP_FREG1) | S2A(src), MOVABLE_INS)); + + if (dst == SLJIT_UNUSED) + return SLJIT_SUCCESS; + + if (FAST_IS_REG(dst)) { + FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET)); + return emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, dst, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET); + } + + /* Store the integer value from a VFP register. */ + return emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, dst, dstw, 0, 0); +} + +static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 dst, sljit_sw dstw, + sljit_s32 src, sljit_sw srcw) +{ + sljit_s32 dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1; + + if (src & SLJIT_IMM) { +#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) + if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32) + srcw = (sljit_s32)srcw; +#endif + FAIL_IF(load_immediate(compiler, TMP_REG1, srcw)); + src = TMP_REG1; + srcw = 0; + } + + if (FAST_IS_REG(src)) { + FAIL_IF(emit_op_mem2(compiler, WORD_DATA, src, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET)); + src = SLJIT_MEM1(SLJIT_SP); + srcw = FLOAT_TMP_MEM_OFFSET; + } + + FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw)); + FAIL_IF(push_inst(compiler, SELECT_FOP(op, FITOS, FITOD) | DA(dst_r) | S2A(TMP_FREG1), MOVABLE_INS)); + + if (dst & SLJIT_MEM) + return emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, 0, 0); + return SLJIT_SUCCESS; +} + +static SLJIT_INLINE sljit_s32 sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 src1, sljit_sw src1w, + sljit_s32 src2, sljit_sw src2w) +{ + if (src1 & SLJIT_MEM) { + FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w)); + src1 = TMP_FREG1; + } + else + src1 <<= 1; + + if (src2 & SLJIT_MEM) { + FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, 0, 0)); + src2 = TMP_FREG2; + } + else + src2 <<= 1; + + return push_inst(compiler, SELECT_FOP(op, FCMPS, FCMPD) | S1A(src1) | S2A(src2), FCC_IS_SET | MOVABLE_INS); +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 dst, sljit_sw dstw, + sljit_s32 src, sljit_sw srcw) +{ + sljit_s32 dst_r; + + CHECK_ERROR(); + compiler->cache_arg = 0; + compiler->cache_argw = 0; + + SLJIT_COMPILE_ASSERT((SLJIT_F32_OP == 0x100) && !(DOUBLE_DATA & 0x2), float_transfer_bit_error); + SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw); + + if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_F32) + op ^= SLJIT_F32_OP; + + dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1; + + if (src & SLJIT_MEM) { + FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, dst, dstw)); + src = dst_r; + } + else + src <<= 1; + + switch (GET_OPCODE(op)) { + case SLJIT_MOV_F64: + if (src != dst_r) { + if (dst_r != TMP_FREG1) { + FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r) | S2A(src), MOVABLE_INS)); + if (!(op & SLJIT_F32_OP)) + FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS)); + } + else + dst_r = src; + } + break; + case SLJIT_NEG_F64: + FAIL_IF(push_inst(compiler, FNEGS | DA(dst_r) | S2A(src), MOVABLE_INS)); + if (dst_r != src && !(op & SLJIT_F32_OP)) + FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS)); + break; + case SLJIT_ABS_F64: + FAIL_IF(push_inst(compiler, FABSS | DA(dst_r) | S2A(src), MOVABLE_INS)); + if (dst_r != src && !(op & SLJIT_F32_OP)) + FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS)); + break; + case SLJIT_CONV_F64_FROM_F32: + FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOD, FDTOS) | DA(dst_r) | S2A(src), MOVABLE_INS)); + op ^= SLJIT_F32_OP; + break; + } + + if (dst & SLJIT_MEM) + FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), dst_r, dst, dstw, 0, 0)); + return SLJIT_SUCCESS; +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 dst, sljit_sw dstw, + sljit_s32 src1, sljit_sw src1w, + sljit_s32 src2, sljit_sw src2w) +{ + sljit_s32 dst_r, flags = 0; + + CHECK_ERROR(); + CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w)); + ADJUST_LOCAL_OFFSET(dst, dstw); + ADJUST_LOCAL_OFFSET(src1, src1w); + ADJUST_LOCAL_OFFSET(src2, src2w); + + compiler->cache_arg = 0; + compiler->cache_argw = 0; + + dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG2; + + if (src1 & SLJIT_MEM) { + if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w)) { + FAIL_IF(compiler->error); + src1 = TMP_FREG1; + } else + flags |= SLOW_SRC1; + } + else + src1 <<= 1; + + if (src2 & SLJIT_MEM) { + if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w)) { + FAIL_IF(compiler->error); + src2 = TMP_FREG2; + } else + flags |= SLOW_SRC2; + } + else + src2 <<= 1; + + if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) { + if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) { + FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, src1, src1w)); + FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw)); + } + else { + FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w)); + FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw)); + } + } + else if (flags & SLOW_SRC1) + FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw)); + else if (flags & SLOW_SRC2) + FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw)); + + if (flags & SLOW_SRC1) + src1 = TMP_FREG1; + if (flags & SLOW_SRC2) + src2 = TMP_FREG2; + + switch (GET_OPCODE(op)) { + case SLJIT_ADD_F64: + FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADDD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); + break; + + case SLJIT_SUB_F64: + FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUBD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); + break; + + case SLJIT_MUL_F64: + FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMULD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); + break; + + case SLJIT_DIV_F64: + FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIVD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); + break; + } + + if (dst_r == TMP_FREG2) + FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0)); + + return SLJIT_SUCCESS; +} + +#undef FLOAT_DATA +#undef SELECT_FOP + +/* --------------------------------------------------------------------- */ +/* Other instructions */ +/* --------------------------------------------------------------------- */ + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw) +{ + CHECK_ERROR(); + CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw)); + ADJUST_LOCAL_OFFSET(dst, dstw); + + /* For UNUSED dst. Uncommon, but possible. */ + if (dst == SLJIT_UNUSED) + return SLJIT_SUCCESS; + + if (FAST_IS_REG(dst)) + return push_inst(compiler, OR | D(dst) | S1(0) | S2(TMP_LINK), DR(dst)); + + /* Memory. */ + return emit_op_mem(compiler, WORD_DATA, TMP_LINK, dst, dstw); +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_s32 src, sljit_sw srcw) +{ + CHECK_ERROR(); + CHECK(check_sljit_emit_fast_return(compiler, src, srcw)); + ADJUST_LOCAL_OFFSET(src, srcw); + + if (FAST_IS_REG(src)) + FAIL_IF(push_inst(compiler, OR | D(TMP_LINK) | S1(0) | S2(src), DR(TMP_LINK))); + else if (src & SLJIT_MEM) + FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_LINK, src, srcw)); + else if (src & SLJIT_IMM) + FAIL_IF(load_immediate(compiler, TMP_LINK, srcw)); + + FAIL_IF(push_inst(compiler, JMPL | D(0) | S1(TMP_LINK) | IMM(8), UNMOVABLE_INS)); + return push_inst(compiler, NOP, UNMOVABLE_INS); +} + +/* --------------------------------------------------------------------- */ +/* Conditional instructions */ +/* --------------------------------------------------------------------- */ + +SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler) +{ + struct sljit_label *label; + + CHECK_ERROR_PTR(); + CHECK_PTR(check_sljit_emit_label(compiler)); + + if (compiler->last_label && compiler->last_label->size == compiler->size) + return compiler->last_label; + + label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label)); + PTR_FAIL_IF(!label); + set_label(label, compiler); + compiler->delay_slot = UNMOVABLE_INS; + return label; +} + +static sljit_ins get_cc(sljit_s32 type) +{ + switch (type) { + case SLJIT_EQUAL: + case SLJIT_MUL_NOT_OVERFLOW: + case SLJIT_NOT_EQUAL_F64: /* Unordered. */ + return DA(0x1); + + case SLJIT_NOT_EQUAL: + case SLJIT_MUL_OVERFLOW: + case SLJIT_EQUAL_F64: + return DA(0x9); + + case SLJIT_LESS: + case SLJIT_GREATER_F64: /* Unordered. */ + return DA(0x5); + + case SLJIT_GREATER_EQUAL: + case SLJIT_LESS_EQUAL_F64: + return DA(0xd); + + case SLJIT_GREATER: + case SLJIT_GREATER_EQUAL_F64: /* Unordered. */ + return DA(0xc); + + case SLJIT_LESS_EQUAL: + case SLJIT_LESS_F64: + return DA(0x4); + + case SLJIT_SIG_LESS: + return DA(0x3); + + case SLJIT_SIG_GREATER_EQUAL: + return DA(0xb); + + case SLJIT_SIG_GREATER: + return DA(0xa); + + case SLJIT_SIG_LESS_EQUAL: + return DA(0x2); + + case SLJIT_OVERFLOW: + case SLJIT_UNORDERED_F64: + return DA(0x7); + + case SLJIT_NOT_OVERFLOW: + case SLJIT_ORDERED_F64: + return DA(0xf); + + default: + SLJIT_ASSERT_STOP(); + return DA(0x8); + } +} + +SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type) +{ + struct sljit_jump *jump; + + CHECK_ERROR_PTR(); + CHECK_PTR(check_sljit_emit_jump(compiler, type)); + + jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); + PTR_FAIL_IF(!jump); + set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP); + type &= 0xff; + + if (type < SLJIT_EQUAL_F64) { + jump->flags |= IS_COND; + if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & ICC_IS_SET)) + jump->flags |= IS_MOVABLE; +#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) + PTR_FAIL_IF(push_inst(compiler, BICC | get_cc(type ^ 1) | 5, UNMOVABLE_INS)); +#else +#error "Implementation required" +#endif + } + else if (type < SLJIT_JUMP) { + jump->flags |= IS_COND; + if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & FCC_IS_SET)) + jump->flags |= IS_MOVABLE; +#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) + PTR_FAIL_IF(push_inst(compiler, FBFCC | get_cc(type ^ 1) | 5, UNMOVABLE_INS)); +#else +#error "Implementation required" +#endif + } else { + if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) + jump->flags |= IS_MOVABLE; + if (type >= SLJIT_FAST_CALL) + jump->flags |= IS_CALL; + } + + PTR_FAIL_IF(emit_const(compiler, TMP_REG2, 0)); + PTR_FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(TMP_REG2) | IMM(0), UNMOVABLE_INS)); + jump->addr = compiler->size; + PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS)); + + return jump; +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw) +{ + struct sljit_jump *jump = NULL; + sljit_s32 src_r; + + CHECK_ERROR(); + CHECK(check_sljit_emit_ijump(compiler, type, src, srcw)); + ADJUST_LOCAL_OFFSET(src, srcw); + + if (FAST_IS_REG(src)) + src_r = src; + else if (src & SLJIT_IMM) { + jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); + FAIL_IF(!jump); + set_jump(jump, compiler, JUMP_ADDR); + jump->u.target = srcw; + if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) + jump->flags |= IS_MOVABLE; + if (type >= SLJIT_FAST_CALL) + jump->flags |= IS_CALL; + + FAIL_IF(emit_const(compiler, TMP_REG2, 0)); + src_r = TMP_REG2; + } + else { + FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG2, src, srcw)); + src_r = TMP_REG2; + } + + FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(src_r) | IMM(0), UNMOVABLE_INS)); + if (jump) + jump->addr = compiler->size; + return push_inst(compiler, NOP, UNMOVABLE_INS); +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 dst, sljit_sw dstw, + sljit_s32 src, sljit_sw srcw, + sljit_s32 type) +{ + sljit_s32 reg, flags = (GET_FLAGS(op) ? SET_FLAGS : 0); + + CHECK_ERROR(); + CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, src, srcw, type)); + ADJUST_LOCAL_OFFSET(dst, dstw); + + if (dst == SLJIT_UNUSED) + return SLJIT_SUCCESS; + +#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) + op = GET_OPCODE(op); + reg = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2; + + compiler->cache_arg = 0; + compiler->cache_argw = 0; + if (op >= SLJIT_ADD && (src & SLJIT_MEM)) { + ADJUST_LOCAL_OFFSET(src, srcw); + FAIL_IF(emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw, dst, dstw)); + src = TMP_REG1; + srcw = 0; + } + + type &= 0xff; + if (type < SLJIT_EQUAL_F64) + FAIL_IF(push_inst(compiler, BICC | get_cc(type) | 3, UNMOVABLE_INS)); + else + FAIL_IF(push_inst(compiler, FBFCC | get_cc(type) | 3, UNMOVABLE_INS)); + + FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(1), UNMOVABLE_INS)); + FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(0), UNMOVABLE_INS)); + + if (op >= SLJIT_ADD) + return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP | ALT_KEEP_CACHE, dst, dstw, src, srcw, TMP_REG2, 0); + + return (reg == TMP_REG2) ? emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw) : SLJIT_SUCCESS; +#else +#error "Implementation required" +#endif +} + +SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value) +{ + sljit_s32 reg; + struct sljit_const *const_; + + CHECK_ERROR_PTR(); + CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value)); + ADJUST_LOCAL_OFFSET(dst, dstw); + + const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const)); + PTR_FAIL_IF(!const_); + set_const(const_, compiler); + + reg = SLOW_IS_REG(dst) ? dst : TMP_REG2; + + PTR_FAIL_IF(emit_const(compiler, reg, init_value)); + + if (dst & SLJIT_MEM) + PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw)); + return const_; +} |