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Unified Diff: src/arm/simulator-arm.cc

Issue 102623003: [v8-dev] ARM: Optimize truncating division and fix sim (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years ago
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Index: src/arm/simulator-arm.cc
diff --git a/src/arm/simulator-arm.cc b/src/arm/simulator-arm.cc
index 461d032b99f56171bb41eec2997de9f34fddb7d5..131a1bbdd8e2858dcc7378c6d56bc58bd9f5027d 100644
--- a/src/arm/simulator-arm.cc
+++ b/src/arm/simulator-arm.cc
@@ -2733,7 +2733,11 @@ void Simulator::DecodeType3(Instruction* instr) {
int32_t rs_val = get_register(rs);
int32_t ret_val = 0;
ASSERT(rs_val != 0);
- ret_val = rm_val/rs_val;
+ if ((rm_val == kMinInt) && (rs_val == -1)) {
+ ret_val = kMinInt;
+ } else {
+ ret_val = rm_val / rs_val;
+ }
set_register(rn, ret_val);
return;
}
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