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Diffstat (limited to 'thirdparty/pcre2/src/sljit/sljitNativePPC_32.c')
-rw-r--r--thirdparty/pcre2/src/sljit/sljitNativePPC_32.c101
1 files changed, 53 insertions, 48 deletions
diff --git a/thirdparty/pcre2/src/sljit/sljitNativePPC_32.c b/thirdparty/pcre2/src/sljit/sljitNativePPC_32.c
index f696d1b8d5..fc185f7847 100644
--- a/thirdparty/pcre2/src/sljit/sljitNativePPC_32.c
+++ b/thirdparty/pcre2/src/sljit/sljitNativePPC_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:
@@ -88,77 +88,86 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl
case SLJIT_NEG:
SLJIT_ASSERT(src1 == TMP_REG1);
- return push_inst(compiler, NEG | OERC(flags) | D(dst) | A(src2));
+ /* Setting XER SO is not enough, CR SO is also needed. */
+ return push_inst(compiler, NEG | OE((flags & ALT_FORM1) ? ALT_SET_FLAGS : 0) | RC(flags) | D(dst) | A(src2));
case SLJIT_CLZ:
SLJIT_ASSERT(src1 == TMP_REG1);
- return push_inst(compiler, CNTLZW | RC(flags) | S(src2) | A(dst));
+ return push_inst(compiler, CNTLZW | S(src2) | A(dst));
case SLJIT_ADD:
if (flags & ALT_FORM1) {
- /* Flags does not set: BIN_IMM_EXTS unnecessary. */
- SLJIT_ASSERT(src2 == TMP_REG2);
- return push_inst(compiler, ADDI | D(dst) | A(src1) | compiler->imm);
+ /* Setting XER SO is not enough, CR SO is also needed. */
+ return push_inst(compiler, ADD | OE(ALT_SET_FLAGS) | RC(ALT_SET_FLAGS) | D(dst) | A(src1) | B(src2));
}
+
if (flags & ALT_FORM2) {
/* Flags does not set: BIN_IMM_EXTS unnecessary. */
SLJIT_ASSERT(src2 == TMP_REG2);
- return push_inst(compiler, ADDIS | D(dst) | A(src1) | compiler->imm);
+
+ if (flags & ALT_FORM3)
+ return push_inst(compiler, ADDIS | D(dst) | A(src1) | compiler->imm);
+
+ if (flags & ALT_FORM4) {
+ FAIL_IF(push_inst(compiler, ADDIS | D(dst) | A(src1) | (((compiler->imm >> 16) & 0xffff) + ((compiler->imm >> 15) & 0x1))));
+ src1 = dst;
+ }
+
+ return push_inst(compiler, ADDI | D(dst) | A(src1) | (compiler->imm & 0xffff));
}
if (flags & ALT_FORM3) {
SLJIT_ASSERT(src2 == TMP_REG2);
return push_inst(compiler, ADDIC | D(dst) | A(src1) | compiler->imm);
}
- if (flags & ALT_FORM4) {
- /* Flags does not set: BIN_IMM_EXTS unnecessary. */
- FAIL_IF(push_inst(compiler, ADDI | D(dst) | A(src1) | (compiler->imm & 0xffff)));
- return push_inst(compiler, ADDIS | D(dst) | A(dst) | (((compiler->imm >> 16) & 0xffff) + ((compiler->imm >> 15) & 0x1)));
- }
if (!(flags & ALT_SET_FLAGS))
return push_inst(compiler, ADD | D(dst) | A(src1) | B(src2));
- return push_inst(compiler, ADDC | OERC(ALT_SET_FLAGS) | D(dst) | A(src1) | B(src2));
+ if (flags & ALT_FORM4)
+ return push_inst(compiler, ADDC | RC(ALT_SET_FLAGS) | D(dst) | A(src1) | B(src2));
+ return push_inst(compiler, ADD | RC(flags) | D(dst) | A(src1) | B(src2));
case SLJIT_ADDC:
- if (flags & ALT_FORM1) {
- FAIL_IF(push_inst(compiler, MFXER | D(0)));
- FAIL_IF(push_inst(compiler, ADDE | D(dst) | A(src1) | B(src2)));
- return push_inst(compiler, MTXER | S(0));
- }
return push_inst(compiler, ADDE | D(dst) | A(src1) | B(src2));
case SLJIT_SUB:
if (flags & ALT_FORM1) {
+ if (flags & ALT_FORM2) {
+ FAIL_IF(push_inst(compiler, CMPLI | CRD(0) | A(src1) | compiler->imm));
+ if (!(flags & ALT_FORM3))
+ return SLJIT_SUCCESS;
+ return push_inst(compiler, ADDI | D(dst) | A(src1) | (-compiler->imm & 0xffff));
+ }
+ FAIL_IF(push_inst(compiler, CMPL | CRD(0) | A(src1) | B(src2)));
+ if (!(flags & ALT_FORM3))
+ return SLJIT_SUCCESS;
+ return push_inst(compiler, SUBF | D(dst) | A(src2) | B(src1));
+ }
+
+ if (flags & ALT_FORM2) {
+ /* Setting XER SO is not enough, CR SO is also needed. */
+ return push_inst(compiler, SUBF | OE(ALT_SET_FLAGS) | RC(ALT_SET_FLAGS) | D(dst) | A(src2) | B(src1));
+ }
+
+ if (flags & ALT_FORM3) {
/* Flags does not set: BIN_IMM_EXTS unnecessary. */
SLJIT_ASSERT(src2 == TMP_REG2);
return push_inst(compiler, SUBFIC | D(dst) | A(src1) | compiler->imm);
}
- if (flags & (ALT_FORM2 | ALT_FORM3)) {
- SLJIT_ASSERT(src2 == TMP_REG2);
- if (flags & ALT_FORM2)
- FAIL_IF(push_inst(compiler, CMPI | CRD(0) | A(src1) | compiler->imm));
- if (flags & ALT_FORM3)
- return push_inst(compiler, CMPLI | CRD(4) | A(src1) | compiler->imm);
- return SLJIT_SUCCESS;
- }
- if (flags & (ALT_FORM4 | ALT_FORM5)) {
- if (flags & ALT_FORM4)
- FAIL_IF(push_inst(compiler, CMPL | CRD(4) | A(src1) | B(src2)));
- if (flags & ALT_FORM5)
- FAIL_IF(push_inst(compiler, CMP | CRD(0) | A(src1) | B(src2)));
- return SLJIT_SUCCESS;
+
+ if (flags & ALT_FORM4) {
+ if (flags & ALT_FORM5) {
+ SLJIT_ASSERT(src2 == TMP_REG2);
+ return push_inst(compiler, CMPI | CRD(0) | A(src1) | compiler->imm);
+ }
+ return push_inst(compiler, CMP | CRD(0) | A(src1) | B(src2));
}
+
if (!(flags & ALT_SET_FLAGS))
return push_inst(compiler, SUBF | D(dst) | A(src2) | B(src1));
- if (flags & ALT_FORM6)
- FAIL_IF(push_inst(compiler, CMPL | CRD(4) | A(src1) | B(src2)));
- return push_inst(compiler, SUBFC | OERC(ALT_SET_FLAGS) | D(dst) | A(src2) | B(src1));
+ if (flags & ALT_FORM5)
+ return push_inst(compiler, SUBFC | RC(ALT_SET_FLAGS) | D(dst) | A(src2) | B(src1));
+ return push_inst(compiler, SUBF | RC(flags) | D(dst) | A(src2) | B(src1));
case SLJIT_SUBC:
- if (flags & ALT_FORM1) {
- FAIL_IF(push_inst(compiler, MFXER | D(0)));
- FAIL_IF(push_inst(compiler, SUBFE | D(dst) | A(src2) | B(src1)));
- return push_inst(compiler, MTXER | S(0));
- }
return push_inst(compiler, SUBFE | D(dst) | A(src2) | B(src1));
case SLJIT_MUL:
@@ -166,7 +175,7 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl
SLJIT_ASSERT(src2 == TMP_REG2);
return push_inst(compiler, MULLI | D(dst) | A(src1) | compiler->imm);
}
- return push_inst(compiler, MULLW | OERC(flags) | D(dst) | A(src2) | B(src1));
+ return push_inst(compiler, MULLW | OE(flags) | RC(flags) | D(dst) | A(src2) | B(src1));
case SLJIT_AND:
if (flags & ALT_FORM1) {
@@ -228,19 +237,15 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl
return push_inst(compiler, SRW | RC(flags) | S(src1) | A(dst) | B(src2));
case SLJIT_ASHR:
- if (flags & ALT_FORM3)
- FAIL_IF(push_inst(compiler, MFXER | D(0)));
if (flags & ALT_FORM1) {
SLJIT_ASSERT(src2 == TMP_REG2);
compiler->imm &= 0x1f;
- FAIL_IF(push_inst(compiler, SRAWI | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11)));
+ return push_inst(compiler, SRAWI | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11));
}
- else
- FAIL_IF(push_inst(compiler, SRAW | RC(flags) | S(src1) | A(dst) | B(src2)));
- return (flags & ALT_FORM3) ? push_inst(compiler, MTXER | S(0)) : SLJIT_SUCCESS;
+ return push_inst(compiler, SRAW | RC(flags) | S(src1) | A(dst) | B(src2));
}
- SLJIT_ASSERT_STOP();
+ SLJIT_UNREACHABLE();
return SLJIT_SUCCESS;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 05:41:25 +0000