diff options
Diffstat (limited to 'thirdparty/pcre2/src/sljit/sljitNativeSPARC_32.c')
-rw-r--r-- | thirdparty/pcre2/src/sljit/sljitNativeSPARC_32.c | 132 |
1 files changed, 125 insertions, 7 deletions
diff --git a/thirdparty/pcre2/src/sljit/sljitNativeSPARC_32.c b/thirdparty/pcre2/src/sljit/sljitNativeSPARC_32.c index 4a206f11d0..0671b130cc 100644 --- a/thirdparty/pcre2/src/sljit/sljitNativeSPARC_32.c +++ b/thirdparty/pcre2/src/sljit/sljitNativeSPARC_32.c @@ -1,7 +1,7 @@ /* * Stack-less Just-In-Time compiler * - * Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved. + * Copyright 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: @@ -60,7 +60,7 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl return push_inst(compiler, SRA | D(dst) | S1(dst) | IMM(24), DR(dst)); } else if (dst != src2) - SLJIT_ASSERT_STOP(); + SLJIT_UNREACHABLE(); return SLJIT_SUCCESS; case SLJIT_MOV_U16: @@ -71,7 +71,7 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl return push_inst(compiler, (op == SLJIT_MOV_S16 ? SRA : SRL) | D(dst) | S1(dst) | IMM(16), DR(dst)); } else if (dst != src2) - SLJIT_ASSERT_STOP(); + SLJIT_UNREACHABLE(); return SLJIT_SUCCESS; case SLJIT_NOT: @@ -80,18 +80,17 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl case SLJIT_CLZ: SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); - /* sparc 32 does not support SLJIT_KEEP_FLAGS. Not sure I can fix this. */ FAIL_IF(push_inst(compiler, SUB | SET_FLAGS | D(0) | S1(src2) | S2(0), SET_FLAGS)); FAIL_IF(push_inst(compiler, OR | D(TMP_REG1) | S1(0) | S2(src2), DR(TMP_REG1))); FAIL_IF(push_inst(compiler, BICC | DA(0x1) | (7 & DISP_MASK), UNMOVABLE_INS)); - FAIL_IF(push_inst(compiler, OR | (flags & SET_FLAGS) | D(dst) | S1(0) | IMM(32), UNMOVABLE_INS | (flags & SET_FLAGS))); + FAIL_IF(push_inst(compiler, OR | D(dst) | S1(0) | IMM(32), UNMOVABLE_INS)); FAIL_IF(push_inst(compiler, OR | D(dst) | S1(0) | IMM(-1), DR(dst))); /* Loop. */ FAIL_IF(push_inst(compiler, SUB | SET_FLAGS | D(0) | S1(TMP_REG1) | S2(0), SET_FLAGS)); FAIL_IF(push_inst(compiler, SLL | D(TMP_REG1) | S1(TMP_REG1) | IMM(1), DR(TMP_REG1))); FAIL_IF(push_inst(compiler, BICC | DA(0xe) | (-2 & DISP_MASK), UNMOVABLE_INS)); - return push_inst(compiler, ADD | (flags & SET_FLAGS) | D(dst) | S1(dst) | IMM(1), UNMOVABLE_INS | (flags & SET_FLAGS)); + return push_inst(compiler, ADD | D(dst) | S1(dst) | IMM(1), UNMOVABLE_INS); case SLJIT_ADD: return push_inst(compiler, ADD | (flags & SET_FLAGS) | D(dst) | S1(src1) | ARG2(flags, src2), DR(dst) | (flags & SET_FLAGS)); @@ -135,7 +134,126 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl return !(flags & SET_FLAGS) ? SLJIT_SUCCESS : push_inst(compiler, SUB | SET_FLAGS | D(0) | S1(dst) | S2(0), SET_FLAGS); } - SLJIT_ASSERT_STOP(); + SLJIT_UNREACHABLE(); + return SLJIT_SUCCESS; +} + +static sljit_s32 call_with_args(struct sljit_compiler *compiler, sljit_s32 arg_types, sljit_s32 *src) +{ + sljit_s32 reg_index = 8; + sljit_s32 word_reg_index = 8; + sljit_s32 float_arg_index = 1; + sljit_s32 double_arg_count = 0; + sljit_s32 float_offset = (16 + 6) * sizeof(sljit_sw); + sljit_s32 types = 0; + sljit_s32 reg = 0; + sljit_s32 move_to_tmp2 = 0; + + if (src) + reg = reg_map[*src & REG_MASK]; + + arg_types >>= SLJIT_DEF_SHIFT; + + while (arg_types) { + types = (types << SLJIT_DEF_SHIFT) | (arg_types & SLJIT_DEF_MASK); + + switch (arg_types & SLJIT_DEF_MASK) { + case SLJIT_ARG_TYPE_F32: + float_arg_index++; + if (reg_index == reg) + move_to_tmp2 = 1; + reg_index++; + break; + case SLJIT_ARG_TYPE_F64: + float_arg_index++; + double_arg_count++; + if (reg_index == reg || reg_index + 1 == reg) + move_to_tmp2 = 1; + reg_index += 2; + break; + default: + if (reg_index != word_reg_index && reg_index < 14 && reg_index == reg) + move_to_tmp2 = 1; + reg_index++; + word_reg_index++; + break; + } + + if (move_to_tmp2) { + move_to_tmp2 = 0; + if (reg < 14) + FAIL_IF(push_inst(compiler, OR | D(TMP_REG1) | S1(0) | S2A(reg), DR(TMP_REG1))); + *src = TMP_REG1; + } + + arg_types >>= SLJIT_DEF_SHIFT; + } + + arg_types = types; + + while (arg_types) { + switch (arg_types & SLJIT_DEF_MASK) { + case SLJIT_ARG_TYPE_F32: + float_arg_index--; + FAIL_IF(push_inst(compiler, STF | FD(float_arg_index) | S1(SLJIT_SP) | IMM(float_offset), MOVABLE_INS)); + float_offset -= sizeof(sljit_f64); + break; + case SLJIT_ARG_TYPE_F64: + float_arg_index--; + if (float_arg_index == 4 && double_arg_count == 4) { + FAIL_IF(push_inst(compiler, STF | FD(float_arg_index) | S1(SLJIT_SP) | IMM((16 + 7) * sizeof(sljit_sw)), MOVABLE_INS)); + FAIL_IF(push_inst(compiler, STF | FD(float_arg_index) | (1 << 25) | S1(SLJIT_SP) | IMM((16 + 8) * sizeof(sljit_sw)), MOVABLE_INS)); + } + else + FAIL_IF(push_inst(compiler, STDF | FD(float_arg_index) | S1(SLJIT_SP) | IMM(float_offset), MOVABLE_INS)); + float_offset -= sizeof(sljit_f64); + break; + default: + break; + } + + arg_types >>= SLJIT_DEF_SHIFT; + } + + float_offset = (16 + 6) * sizeof(sljit_sw); + + while (types) { + switch (types & SLJIT_DEF_MASK) { + case SLJIT_ARG_TYPE_F32: + reg_index--; + if (reg_index < 14) + FAIL_IF(push_inst(compiler, LDUW | DA(reg_index) | S1(SLJIT_SP) | IMM(float_offset), reg_index)); + float_offset -= sizeof(sljit_f64); + break; + case SLJIT_ARG_TYPE_F64: + reg_index -= 2; + if (reg_index < 14) { + if ((reg_index & 0x1) != 0) { + FAIL_IF(push_inst(compiler, LDUW | DA(reg_index) | S1(SLJIT_SP) | IMM(float_offset), reg_index)); + if (reg_index < 13) + FAIL_IF(push_inst(compiler, LDUW | DA(reg_index + 1) | S1(SLJIT_SP) | IMM(float_offset + sizeof(sljit_sw)), reg_index + 1)); + } + else + FAIL_IF(push_inst(compiler, LDD | DA(reg_index) | S1(SLJIT_SP) | IMM(float_offset), reg_index)); + } + float_offset -= sizeof(sljit_f64); + break; + default: + reg_index--; + word_reg_index--; + + if (reg_index != word_reg_index) { + if (reg_index < 14) + FAIL_IF(push_inst(compiler, OR | DA(reg_index) | S1(0) | S2A(word_reg_index), reg_index)); + else + FAIL_IF(push_inst(compiler, STW | DA(word_reg_index) | S1(SLJIT_SP) | IMM(92), word_reg_index)); + } + break; + } + + types >>= SLJIT_DEF_SHIFT; + } + return SLJIT_SUCCESS; } |