diff options
Diffstat (limited to 'thirdparty/pcre2/src/sljit/sljitNativePPC_common.c')
-rw-r--r-- | thirdparty/pcre2/src/sljit/sljitNativePPC_common.c | 154 |
1 files changed, 103 insertions, 51 deletions
diff --git a/thirdparty/pcre2/src/sljit/sljitNativePPC_common.c b/thirdparty/pcre2/src/sljit/sljitNativePPC_common.c index e827514315..2174dbb07b 100644 --- a/thirdparty/pcre2/src/sljit/sljitNativePPC_common.c +++ b/thirdparty/pcre2/src/sljit/sljitNativePPC_common.c @@ -404,7 +404,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil compiler->size += (sizeof(struct sljit_function_context) / sizeof(sljit_ins)); #endif #endif - code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins)); + code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins), compiler->exec_allocator_data); PTR_FAIL_WITH_EXEC_IF(code); buf = compiler->buf; @@ -607,6 +607,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil code_ptr = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); SLJIT_CACHE_FLUSH(code, code_ptr); + SLJIT_UPDATE_WX_FLAGS(code, code_ptr, 1); #if (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL) return code_ptr; @@ -626,7 +627,10 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type) return 1; #endif + /* A saved register is set to a zero value. */ + case SLJIT_HAS_ZERO_REGISTER: case SLJIT_HAS_CLZ: + case SLJIT_HAS_PREFETCH: return 1; default: @@ -1158,6 +1162,9 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compile #else return push_inst(compiler, (op == SLJIT_DIV_UW ? DIVWU : DIVW) | D(SLJIT_R0) | A(SLJIT_R0) | B(SLJIT_R1)); #endif + case SLJIT_ENDBR: + case SLJIT_SKIP_FRAMES_BEFORE_RETURN: + return SLJIT_SUCCESS; } return SLJIT_SUCCESS; @@ -1203,13 +1210,6 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compile ADJUST_LOCAL_OFFSET(dst, dstw); ADJUST_LOCAL_OFFSET(src, srcw); - if (dst == SLJIT_UNUSED && !HAS_FLAGS(op)) { - if (op <= SLJIT_MOV_P && (src & SLJIT_MEM)) - return emit_prefetch(compiler, src, srcw); - - return SLJIT_SUCCESS; - } - op = GET_OPCODE(op); if ((src & SLJIT_IMM) && srcw == 0) src = TMP_ZERO; @@ -1324,6 +1324,25 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compile ((src) & SLJIT_IMM) #endif +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) +#define TEST_ADD_FORM1(op) \ + (GET_FLAG_TYPE(op) == SLJIT_OVERFLOW \ + || (op & (SLJIT_I32_OP | SLJIT_SET_Z | VARIABLE_FLAG_MASK)) == (SLJIT_I32_OP | SLJIT_SET_Z | SLJIT_SET_CARRY)) +#define TEST_SUB_FORM2(op) \ + ((GET_FLAG_TYPE(op) >= SLJIT_SIG_LESS && GET_FLAG_TYPE(op) <= SLJIT_SIG_LESS_EQUAL) \ + || (op & (SLJIT_I32_OP | SLJIT_SET_Z | VARIABLE_FLAG_MASK)) == (SLJIT_I32_OP | SLJIT_SET_Z)) +#define TEST_SUB_FORM3(op) \ + (GET_FLAG_TYPE(op) == SLJIT_OVERFLOW \ + || (op & (SLJIT_I32_OP | SLJIT_SET_Z)) == (SLJIT_I32_OP | SLJIT_SET_Z)) +#else +#define TEST_ADD_FORM1(op) \ + (GET_FLAG_TYPE(op) == SLJIT_OVERFLOW) +#define TEST_SUB_FORM2(op) \ + (GET_FLAG_TYPE(op) >= SLJIT_SIG_LESS && GET_FLAG_TYPE(op) <= SLJIT_SIG_LESS_EQUAL) +#define TEST_SUB_FORM3(op) \ + (GET_FLAG_TYPE(op) == SLJIT_OVERFLOW) +#endif + 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, @@ -1362,7 +1381,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compile switch (GET_OPCODE(op)) { case SLJIT_ADD: - if (GET_FLAG_TYPE(op) == SLJIT_OVERFLOW) + if (TEST_ADD_FORM1(op)) return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM1, dst, dstw, src1, src1w, src2, src2w); if (!HAS_FLAGS(op) && ((src1 | src2) & SLJIT_IMM)) { @@ -1392,6 +1411,20 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compile return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2 | ALT_FORM4, dst, dstw, src2, src2w, TMP_REG2, 0); } } + +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) + if ((op & (SLJIT_I32_OP | SLJIT_SET_Z)) == (SLJIT_I32_OP | SLJIT_SET_Z)) { + if (TEST_SL_IMM(src2, src2w)) { + compiler->imm = src2w & 0xffff; + return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM4 | ALT_FORM5, dst, dstw, src1, src1w, TMP_REG2, 0); + } + if (TEST_SL_IMM(src1, src1w)) { + compiler->imm = src1w & 0xffff; + return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM4 | ALT_FORM5, dst, dstw, src2, src2w, TMP_REG2, 0); + } + return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM4, dst, dstw, src1, src1w, src2, src2w); + } +#endif if (HAS_FLAGS(op)) { if (TEST_SL_IMM(src2, src2w)) { compiler->imm = src2w & 0xffff; @@ -1402,7 +1435,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compile return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM3, dst, dstw, src2, src2w, TMP_REG2, 0); } } - return emit_op(compiler, SLJIT_ADD, flags | ((GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY)) ? ALT_FORM4 : 0), dst, dstw, src1, src1w, src2, src2w); + return emit_op(compiler, SLJIT_ADD, flags | ((GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY)) ? ALT_FORM5 : 0), dst, dstw, src1, src1w, src2, src2w); case SLJIT_ADDC: return emit_op(compiler, SLJIT_ADDC, flags, dst, dstw, src1, src1w, src2, src2w); @@ -1424,18 +1457,36 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compile return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM1 | ALT_FORM3, dst, dstw, src1, src1w, src2, src2w); } - if (GET_FLAG_TYPE(op) == SLJIT_OVERFLOW) + if (dst == SLJIT_UNUSED && GET_FLAG_TYPE(op) <= SLJIT_SIG_LESS_EQUAL) { + if (TEST_SL_IMM(src2, src2w)) { + compiler->imm = src2w & 0xffff; + return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM2 | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); + } return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM2, dst, dstw, src1, src1w, src2, src2w); + } - if (!HAS_FLAGS(op) && ((src1 | src2) & SLJIT_IMM)) { - if (TEST_SL_IMM(src2, -src2w)) { - compiler->imm = (-src2w) & 0xffff; - return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0); - } - if (TEST_SL_IMM(src1, src1w)) { - compiler->imm = src1w & 0xffff; - return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM3, dst, dstw, src2, src2w, TMP_REG2, 0); + if (TEST_SUB_FORM2(op)) { + if ((src2 & SLJIT_IMM) && src2w >= -SIMM_MAX && src2w <= SIMM_MAX) { + compiler->imm = src2w & 0xffff; + return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM2 | ALT_FORM3 | ALT_FORM4, dst, dstw, src1, src1w, TMP_REG2, 0); } + return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM2 | ALT_FORM4, dst, dstw, src1, src1w, src2, src2w); + } + + if (TEST_SUB_FORM3(op)) + return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM3, dst, dstw, src1, src1w, src2, src2w); + + if (TEST_SL_IMM(src2, -src2w)) { + compiler->imm = (-src2w) & 0xffff; + return emit_op(compiler, SLJIT_ADD, flags | (!HAS_FLAGS(op) ? ALT_FORM2 : ALT_FORM3), dst, dstw, src1, src1w, TMP_REG2, 0); + } + + if (TEST_SL_IMM(src1, src1w) && !(op & SLJIT_SET_Z)) { + compiler->imm = src1w & 0xffff; + return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM4, dst, dstw, src2, src2w, TMP_REG2, 0); + } + + if (!HAS_FLAGS(op)) { if (TEST_SH_IMM(src2, -src2w)) { compiler->imm = ((-src2w) >> 16) & 0xffff; return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2 | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); @@ -1447,18 +1498,6 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compile } } - if (dst == SLJIT_UNUSED && GET_FLAG_TYPE(op) != GET_FLAG_TYPE(SLJIT_SET_CARRY)) { - if (TEST_SL_IMM(src2, src2w)) { - compiler->imm = src2w & 0xffff; - return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM4 | ALT_FORM5, dst, dstw, src1, src1w, TMP_REG2, 0); - } - return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM4, dst, dstw, src1, src1w, src2, src2w); - } - - if (TEST_SL_IMM(src2, -src2w)) { - compiler->imm = (-src2w) & 0xffff; - return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); - } /* We know ALT_SIGN_EXT is set if it is an SLJIT_I32_OP on 64 bit systems. */ return emit_op(compiler, SLJIT_SUB, flags | ((GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY)) ? ALT_FORM5 : 0), dst, dstw, src1, src1w, src2, src2w); @@ -1536,6 +1575,39 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compile return SLJIT_SUCCESS; } +#undef TEST_ADD_FORM1 +#undef TEST_SUB_FORM2 +#undef TEST_SUB_FORM3 + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_src(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 src, sljit_sw srcw) +{ + CHECK_ERROR(); + CHECK(check_sljit_emit_op_src(compiler, op, src, srcw)); + ADJUST_LOCAL_OFFSET(src, srcw); + + switch (op) { + case SLJIT_FAST_RETURN: + if (FAST_IS_REG(src)) + FAIL_IF(push_inst(compiler, MTLR | S(src))); + else { + FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_REG2, 0, TMP_REG1, 0, src, srcw)); + FAIL_IF(push_inst(compiler, MTLR | S(TMP_REG2))); + } + + return push_inst(compiler, BLR); + case SLJIT_SKIP_FRAMES_BEFORE_FAST_RETURN: + return SLJIT_SUCCESS; + case SLJIT_PREFETCH_L1: + case SLJIT_PREFETCH_L2: + case SLJIT_PREFETCH_L3: + case SLJIT_PREFETCH_ONCE: + return emit_prefetch(compiler, src, srcw); + } + + 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)); @@ -1854,22 +1926,6 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler * return emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0); } -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, MTLR | S(src))); - else { - FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_REG2, 0, TMP_REG1, 0, src, srcw)); - FAIL_IF(push_inst(compiler, MTLR | S(TMP_REG2))); - } - - return push_inst(compiler, BLR); -} - /* --------------------------------------------------------------------- */ /* Conditional instructions */ /* --------------------------------------------------------------------- */ @@ -1928,11 +1984,9 @@ static sljit_ins get_bo_bi_flags(sljit_s32 type) return (4 << 21) | ((4 + 1) << 16); case SLJIT_OVERFLOW: - case SLJIT_MUL_OVERFLOW: return (12 << 21) | (3 << 16); case SLJIT_NOT_OVERFLOW: - case SLJIT_MUL_NOT_OVERFLOW: return (4 << 21) | (3 << 16); case SLJIT_EQUAL_F64: @@ -2130,12 +2184,10 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *co break; case SLJIT_OVERFLOW: - case SLJIT_MUL_OVERFLOW: cr_bit = 3; break; case SLJIT_NOT_OVERFLOW: - case SLJIT_MUL_NOT_OVERFLOW: cr_bit = 3; invert = 1; break; |