runtime/vm/intrinsifier_mips.cc - Issue 22839003: Polymorphic inlining for some recognized methods in the optimizing compiler.

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Unified Diff: runtime/vm/intrinsifier_mips.cc

Issue 22839003: Polymorphic inlining for some recognized methods in the optimizing compiler. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/

Patch Set: fixed modulo performance regression Created 7 years, 4 months ago

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Index: runtime/vm/intrinsifier_mips.cc

===================================================================

--- runtime/vm/intrinsifier_mips.cc (revision 26420)

+++ runtime/vm/intrinsifier_mips.cc (working copy)

@@ -721,9 +721,14 @@

// res = res + right;

// }

-bool Intrinsifier::Integer_modulo(Assembler* assembler) {

+bool Intrinsifier::Integer_moduloFromInteger(Assembler* assembler) {

Label fall_through, subtract;

- TestBothArgumentsSmis(assembler, &fall_through);

+ // Test arguments for smi.

+ __ lw(T1, Address(SP, 0 * kWordSize));

+ __ lw(T0, Address(SP, 1 * kWordSize));

+ __ or_(CMPRES, T0, T1);

+ __ andi(CMPRES, CMPRES, Immediate(kSmiTagMask));

+ __ bne(CMPRES, ZR, &fall_through);

// T1: Tagged left (dividend).

// T0: Tagged right (divisor).

// Check if modulo by zero -> exception thrown in main function.

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