runtime/vm/intermediate_language_mips.cc - Issue 1824023002: VM: Fix a couple of issues in the AOT optimizer, add fast path smi multiply.

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Unified Diff: runtime/vm/intermediate_language_mips.cc

Issue 1824023002: VM: Fix a couple of issues in the AOT optimizer, add fast path smi multiply. (Closed) Base URL: git@github.com:dart-lang/sdk.git@master

Patch Set: updated inlining of numeric operators Created 4 years, 9 months ago

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Index: runtime/vm/intermediate_language_mips.cc

diff --git a/runtime/vm/intermediate_language_mips.cc b/runtime/vm/intermediate_language_mips.cc

index d1fd55c3b4b43e7fd306eb0cf236e1f3b0ca4e8a..022d6b53d36a0d456d2ba4185b73b743e92ab7bf 100644

--- a/runtime/vm/intermediate_language_mips.cc

+++ b/runtime/vm/intermediate_language_mips.cc

@@ -2952,6 +2952,14 @@ void CheckedSmiOpInstr::EmitNativeCode(FlowGraphCompiler* compiler) {

__ SubuDetectOverflow(result, left, right, CMPRES1);

__ bltz(CMPRES1, slow_path->entry_label());

break;

+ case Token::kMUL:

+ __ sra(TMP, left, kSmiTagSize);

+ __ mult(TMP, right);

+ __ mflo(result);

+ __ mfhi(CMPRES2);

+ __ sra(CMPRES1, result, 31);

+ __ bne(CMPRES1, CMPRES2, slow_path->entry_label());

+ break;

case Token::kBIT_OR:

// Operation part of combined smi check.

if (!combined_smi_check) {

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