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Unified Diff: runtime/vm/simulator_mips.cc

Issue 1425143003: VM: Improve and fix double negation on MIPS. (Closed) Base URL: git@github.com:dart-lang/sdk.git@master
Patch Set: Created 5 years, 2 months ago
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Index: runtime/vm/simulator_mips.cc
diff --git a/runtime/vm/simulator_mips.cc b/runtime/vm/simulator_mips.cc
index a9f12dd1e80312b854739f7b5e9535154d97d035..04e0b7fda315d35d765d8063afcea0d354971c36 100644
--- a/runtime/vm/simulator_mips.cc
+++ b/runtime/vm/simulator_mips.cc
@@ -1813,6 +1813,12 @@ void Simulator::DecodeCop1(Instr* instr) {
set_fregister_double(instr->FdField(), fs_val);
break;
}
+ case COP1_NEG: {
+ // Format(instr, "neg.'fmt 'fd, 'fs");
+ ASSERT(instr->FormatField() == FMT_D);
+ set_fregister_double(instr->FdField(), -fs_val);
+ break;
+ }
case COP1_C_F: {
ASSERT(instr->FormatField() == FMT_D); // Only D supported.
ASSERT(instr->FdField() == F0);
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