Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(454)

Issues Search
    My Issues | Starred     Open | Closed | All

Unified Diff: src/ia32/assembler-ia32.h

Issue 5763004: Second attempt: Improve our type feedback by recogizining never-executed IC c... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 10 years ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « src/full-codegen.h ('k') | src/ia32/code-stubs-ia32.h » ('j') | src/ia32/ic-ia32.cc » ('J')
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: src/ia32/assembler-ia32.h
===================================================================
--- src/ia32/assembler-ia32.h (revision 6011)
+++ src/ia32/assembler-ia32.h (working copy)
@@ -571,7 +571,16 @@
static const byte kTestEaxByte = 0xA9;
// One byte opcode for test al, 0xXX.
static const byte kTestAlByte = 0xA8;
+ // One byte opcode for nop.
+ static const byte kNopByte = 0x90;
+ // One byte opcode for a short unconditional jump.
+ static const byte kJmpShortOpcode = 0xEB;
+ // One byte prefix for a short conditional jump.
+ static const byte kJccShortPrefix = 0x70;
+ static const byte kJncShortOpcode = kJccShortPrefix | not_carry;
+ static const byte kJcShortOpcode = kJccShortPrefix | carry;
+
// ---------------------------------------------------------------------------
// Code generation
//
« no previous file with comments | « src/full-codegen.h ('k') | src/ia32/code-stubs-ia32.h » ('j') | src/ia32/ic-ia32.cc » ('J')

Powered by Google App Engine
This is Rietveld 408576698