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Unified Diff: src/x64/lithium-x64.cc

Issue 7014033: Support conversion of clamped double values for pixel arrays in Crankshaft. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: review feedback Created 9 years, 7 months ago
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Index: src/x64/lithium-x64.cc
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
index f5f2879afd3ec8f836d37b578bc9a5e383d9f46f..e2c23d2d028d7c1be5d76e3c0c796d5cd4db4abc 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -1742,6 +1742,25 @@ LInstruction* LChunkBuilder::DoCheckMap(HCheckMap* instr) {
}
+LInstruction* LChunkBuilder::DoClampToUint8(HClampToUint8* instr) {
+ HValue* value = instr->value();
+ Representation rep = value->representation();
+ LOperand* reg = UseRegister(value);
+ if (rep.IsDouble()) {
+ return DefineAsRegister(new LClampDoubleToUint8(reg,
+ TempRegister()));
+ } else if (rep.IsInteger32()) {
+ return DefineSameAsFirst(new LClampIToUint8(reg));
+ } else {
+ ASSERT(rep.IsTagged());
+ LClampTaggedToUint8* result = new LClampTaggedToUint8(reg,
+ TempRegister(),
+ FixedTemp(xmm1));
+ return AssignEnvironment(DefineSameAsFirst(result));
+ }
+}
+
+
LInstruction* LChunkBuilder::DoReturn(HReturn* instr) {
return new LReturn(UseFixed(instr->value(), rax));
}

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