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MIPS: Continues Latin-1 support. All tests pass with ENABLE_LATIN_1 flag.

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Port r13344 (e5638dd9)

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/11971003
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13389 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
yangguo@chromium.org 2013-01-16 10:00:31 +00:00
parent 0484ddcf50
commit 72878509e2
1 changed files with 10 additions and 0 deletions
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10
src/mips/regexp-macro-assembler-mips.cc
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@ -341,7 +341,17 @@ void RegExpMacroAssemblerMIPS::CheckNotBackReferenceIgnoreCase(
__ Or(t0, t0, Operand(0x20)); // Also convert input character.
__ Branch(&fail, ne, t0, Operand(a3));
__ Subu(a3, a3, Operand('a'));
#ifndef ENABLE_LATIN_1
__ Branch(&fail, hi, a3, Operand('z' - 'a')); // Is a3 a lowercase letter?
#else
__ Branch(&loop_check, ls, a3, Operand('z' - 'a'));
// Latin-1: Check for values in range [224,254] but not 247.
__ Subu(a3, a3, Operand(224 - 'a'));
// Weren't Latin-1 letters.
__ Branch(&fail, hi, a3, Operand(254 - 224));
// Check for 247.
__ Branch(&fail, eq, a3, Operand(247 - 224));
#endif
__ bind(&loop_check);
__ Branch(&loop, lt, a0, Operand(a1));