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A64: Replace a Cmp/Branch sequence by a conditional compare.

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R=jochen@chromium.org, ulan@chromium.org

Review URL: https://codereview.chromium.org/169403003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19472 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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baptiste.afsa@arm.com 2014-02-19 09:37:07 +00:00
parent cf568ea0ed
commit 53f2aefe08
1 changed files with 2 additions and 4 deletions
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6
src/a64/regexp-macro-assembler-a64.cc
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@ -363,11 +363,9 @@ void RegExpMacroAssemblerA64::CheckNotBackReferenceIgnoreCase(
__ B(ls, &loop_check); // In range 'a'-'z'.
// Latin-1: Check for values in range [224,254] but not 247.
__ Sub(w10, w10, 224 - 'a');
// TODO(jbramley): Use Ccmp here.
__ Cmp(w10, 254 - 224);
__ B(hi, &fail); // Weren't Latin-1 letters.
__ Cmp(w10, 247 - 224); // Check for 247.
__ B(eq, &fail);
__ Ccmp(w10, 247 - 224, ZFlag, ls); // Check for 247.
__ B(eq, &fail); // Weren't Latin-1 letters.
__ Bind(&loop_check);
__ Cmp(capture_start_address, capture_end_addresss);