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X87: [regexp] implement case-insensitive unicode regexps.

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port a2baaaac93 (r33538)

  original commit message:

BUG=

Review URL: https://codereview.chromium.org/1644863002

Cr-Commit-Position: refs/heads/master@{#33568}
This commit is contained in:
zhengxing.li 2016-01-27 20:20:12 -08:00 committed by Commit bot
parent 1aac4c383c
commit 2d89015a4c
2 changed files with 12 additions and 6 deletions
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16
src/regexp/x87/regexp-macro-assembler-x87.cc
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@ -187,9 +187,8 @@ void RegExpMacroAssemblerX87::CheckGreedyLoop(Label* on_equal) {
__ bind(&fallthrough);
}
void RegExpMacroAssemblerX87::CheckNotBackReferenceIgnoreCase(
int start_reg, bool read_backward, Label* on_no_match) {
int start_reg, bool read_backward, bool unicode, Label* on_no_match) {
Label fallthrough;
__ mov(edx, register_location(start_reg)); // Index of start of capture
__ mov(ebx, register_location(start_reg + 1)); // Index of end of capture
@ -296,11 +295,18 @@ void RegExpMacroAssemblerX87::CheckNotBackReferenceIgnoreCase(
// Address byte_offset1 - Address captured substring's start.
// Address byte_offset2 - Address of current character position.
// size_t byte_length - length of capture in bytes(!)
// Isolate* isolate
// Isolate* isolate or 0 if unicode flag.
// Set isolate.
__ mov(Operand(esp, 3 * kPointerSize),
Immediate(ExternalReference::isolate_address(isolate())));
#ifdef V8_I18N_SUPPORT
if (unicode) {
__ mov(Operand(esp, 3 * kPointerSize), Immediate(0));
} else // NOLINT
#endif // V8_I18N_SUPPORT
{
__ mov(Operand(esp, 3 * kPointerSize),
Immediate(ExternalReference::isolate_address(isolate())));
}
// Set byte_length.
__ mov(Operand(esp, 2 * kPointerSize), ebx);
// Set byte_offset2.

2
src/regexp/x87/regexp-macro-assembler-x87.h
View File

@ -37,7 +37,7 @@ class RegExpMacroAssemblerX87: public NativeRegExpMacroAssembler {
virtual void CheckNotBackReference(int start_reg, bool read_backward,
Label* on_no_match);
virtual void CheckNotBackReferenceIgnoreCase(int start_reg,
bool read_backward,
bool read_backward, bool unicode,
Label* on_no_match);
virtual void CheckNotCharacter(uint32_t c, Label* on_not_equal);
virtual void CheckNotCharacterAfterAnd(uint32_t c,