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Diffstat (limited to 'thirdparty/pcre2/src/sljit/sljitNativePPC_64.c')
-rw-r--r--thirdparty/pcre2/src/sljit/sljitNativePPC_64.c201
1 files changed, 140 insertions, 61 deletions
diff --git a/thirdparty/pcre2/src/sljit/sljitNativePPC_64.c b/thirdparty/pcre2/src/sljit/sljitNativePPC_64.c
index 386d247dbc..706b2ba20b 100644
--- a/thirdparty/pcre2/src/sljit/sljitNativePPC_64.c
+++ b/thirdparty/pcre2/src/sljit/sljitNativePPC_64.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:
@@ -204,84 +204,118 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl
case SLJIT_NEG:
SLJIT_ASSERT(src1 == TMP_REG1);
+
+ if ((flags & (ALT_FORM1 | ALT_SIGN_EXT)) == (ALT_FORM1 | ALT_SIGN_EXT)) {
+ FAIL_IF(push_inst(compiler, RLDI(TMP_REG2, src2, 32, 31, 1)));
+ FAIL_IF(push_inst(compiler, NEG | OE(ALT_SET_FLAGS) | RC(ALT_SET_FLAGS) | D(dst) | A(TMP_REG2)));
+ return push_inst(compiler, RLDI(dst, dst, 32, 32, 0));
+ }
+
UN_EXTS();
- 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);
if (flags & ALT_FORM1)
- return push_inst(compiler, CNTLZW | RC(flags) | S(src2) | A(dst));
- return push_inst(compiler, CNTLZD | RC(flags) | S(src2) | A(dst));
+ return push_inst(compiler, CNTLZW | S(src2) | A(dst));
+ return push_inst(compiler, CNTLZD | 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);
+ if (flags & ALT_SIGN_EXT) {
+ FAIL_IF(push_inst(compiler, RLDI(TMP_REG1, src1, 32, 31, 1)));
+ src1 = TMP_REG1;
+ FAIL_IF(push_inst(compiler, RLDI(TMP_REG2, src2, 32, 31, 1)));
+ src2 = TMP_REG2;
+ }
+ /* Setting XER SO is not enough, CR SO is also needed. */
+ FAIL_IF(push_inst(compiler, ADD | OE(ALT_SET_FLAGS) | RC(ALT_SET_FLAGS) | D(dst) | A(src1) | B(src2)));
+ if (flags & ALT_SIGN_EXT)
+ return push_inst(compiler, RLDI(dst, dst, 32, 32, 0));
+ return SLJIT_SUCCESS;
}
+
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);
BIN_IMM_EXTS();
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));
BIN_EXTS();
- 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));
- }
BIN_EXTS();
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 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | 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 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | 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) {
+ if (flags & ALT_SIGN_EXT) {
+ FAIL_IF(push_inst(compiler, RLDI(TMP_REG1, src1, 32, 31, 1)));
+ src1 = TMP_REG1;
+ FAIL_IF(push_inst(compiler, RLDI(TMP_REG2, src2, 32, 31, 1)));
+ src2 = TMP_REG2;
+ }
+ /* Setting XER SO is not enough, CR SO is also needed. */
+ FAIL_IF(push_inst(compiler, SUBF | OE(ALT_SET_FLAGS) | RC(ALT_SET_FLAGS) | D(dst) | A(src2) | B(src1)));
+ if (flags & ALT_SIGN_EXT)
+ return push_inst(compiler, RLDI(dst, dst, 32, 32, 0));
+ return SLJIT_SUCCESS;
+ }
+
+ 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 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | compiler->imm));
- if (flags & ALT_FORM3)
- return push_inst(compiler, CMPLI | CRD(4 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | 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 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | B(src2)));
- if (flags & ALT_FORM5)
- return push_inst(compiler, CMP | CRD(0 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | 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 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | compiler->imm);
+ }
+ return push_inst(compiler, CMP | CRD(0 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | B(src2));
}
+
if (!(flags & ALT_SET_FLAGS))
return push_inst(compiler, SUBF | D(dst) | A(src2) | B(src1));
BIN_EXTS();
- if (flags & ALT_FORM6)
- FAIL_IF(push_inst(compiler, CMPL | CRD(4 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | 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));
- }
BIN_EXTS();
return push_inst(compiler, SUBFE | D(dst) | A(src2) | B(src1));
@@ -292,8 +326,8 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl
}
BIN_EXTS();
if (flags & ALT_FORM2)
- return push_inst(compiler, MULLW | OERC(flags) | D(dst) | A(src2) | B(src1));
- return push_inst(compiler, MULLD | OERC(flags) | D(dst) | A(src2) | B(src1));
+ return push_inst(compiler, MULLW | OE(flags) | RC(flags) | D(dst) | A(src2) | B(src1));
+ return push_inst(compiler, MULLD | OE(flags) | RC(flags) | D(dst) | A(src2) | B(src1));
case SLJIT_AND:
if (flags & ALT_FORM1) {
@@ -345,10 +379,8 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl
compiler->imm &= 0x1f;
return push_inst(compiler, RLWINM | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11) | ((31 - compiler->imm) << 1));
}
- else {
- compiler->imm &= 0x3f;
- return push_inst(compiler, RLDI(dst, src1, compiler->imm, 63 - compiler->imm, 1) | RC(flags));
- }
+ compiler->imm &= 0x3f;
+ return push_inst(compiler, RLDI(dst, src1, compiler->imm, 63 - compiler->imm, 1) | RC(flags));
}
return push_inst(compiler, ((flags & ALT_FORM2) ? SLW : SLD) | RC(flags) | S(src1) | A(dst) | B(src2));
@@ -359,33 +391,80 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl
compiler->imm &= 0x1f;
return push_inst(compiler, RLWINM | RC(flags) | S(src1) | A(dst) | (((32 - compiler->imm) & 0x1f) << 11) | (compiler->imm << 6) | (31 << 1));
}
- else {
- compiler->imm &= 0x3f;
- return push_inst(compiler, RLDI(dst, src1, 64 - compiler->imm, compiler->imm, 0) | RC(flags));
- }
+ compiler->imm &= 0x3f;
+ return push_inst(compiler, RLDI(dst, src1, 64 - compiler->imm, compiler->imm, 0) | RC(flags));
}
return push_inst(compiler, ((flags & ALT_FORM2) ? SRW : SRD) | 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);
if (flags & ALT_FORM2) {
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 {
- compiler->imm &= 0x3f;
- FAIL_IF(push_inst(compiler, SRADI | RC(flags) | S(src1) | A(dst) | ((compiler->imm & 0x1f) << 11) | ((compiler->imm & 0x20) >> 4)));
+ compiler->imm &= 0x3f;
+ return push_inst(compiler, SRADI | RC(flags) | S(src1) | A(dst) | ((compiler->imm & 0x1f) << 11) | ((compiler->imm & 0x20) >> 4));
+ }
+ return push_inst(compiler, ((flags & ALT_FORM2) ? SRAW : SRAD) | RC(flags) | S(src1) | A(dst) | B(src2));
+ }
+
+ SLJIT_UNREACHABLE();
+ return SLJIT_SUCCESS;
+}
+
+static sljit_s32 call_with_args(struct sljit_compiler *compiler, sljit_s32 arg_types, sljit_s32 *src)
+{
+ sljit_s32 arg_count = 0;
+ sljit_s32 word_arg_count = 0;
+ sljit_s32 types = 0;
+ sljit_s32 reg = 0;
+
+ if (src)
+ reg = *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:
+ case SLJIT_ARG_TYPE_F64:
+ arg_count++;
+ break;
+ default:
+ arg_count++;
+ word_arg_count++;
+
+ if (arg_count != word_arg_count && arg_count == reg) {
+ FAIL_IF(push_inst(compiler, OR | S(reg) | A(TMP_CALL_REG) | B(reg)));
+ *src = TMP_CALL_REG;
}
+ break;
+ }
+
+ arg_types >>= SLJIT_DEF_SHIFT;
+ }
+
+ while (types) {
+ switch (types & SLJIT_DEF_MASK) {
+ case SLJIT_ARG_TYPE_F32:
+ case SLJIT_ARG_TYPE_F64:
+ arg_count--;
+ break;
+ default:
+ if (arg_count != word_arg_count)
+ FAIL_IF(push_inst(compiler, OR | S(word_arg_count) | A(arg_count) | B(word_arg_count)));
+
+ arg_count--;
+ word_arg_count--;
+ break;
}
- else
- FAIL_IF(push_inst(compiler, ((flags & ALT_FORM2) ? SRAW : SRAD) | RC(flags) | S(src1) | A(dst) | B(src2)));
- return (flags & ALT_FORM3) ? push_inst(compiler, MTXER | S(0)) : SLJIT_SUCCESS;
+
+ types >>= SLJIT_DEF_SHIFT;
}
- SLJIT_ASSERT_STOP();
return SLJIT_SUCCESS;
}