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Unified Diff: src/mips/macro-assembler-mips.cc

Issue 393693003: MIPS: Use register parameters in ElementsTransitionGenerator. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Add mips64 port. Created 6 years, 5 months ago
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Index: src/mips/macro-assembler-mips.cc
diff --git a/src/mips/macro-assembler-mips.cc b/src/mips/macro-assembler-mips.cc
index 5060e6884cadc3f279003210d0c5dd81ae45a560..868cd707392fbccf2b0bdb5a607ab9d5d2fb1eea 100644
--- a/src/mips/macro-assembler-mips.cc
+++ b/src/mips/macro-assembler-mips.cc
@@ -5674,14 +5674,30 @@ void MacroAssembler::JumpIfDictionaryInPrototypeChain(
}
-bool AreAliased(Register r1, Register r2, Register r3, Register r4) {
- if (r1.is(r2)) return true;
- if (r1.is(r3)) return true;
- if (r1.is(r4)) return true;
- if (r2.is(r3)) return true;
- if (r2.is(r4)) return true;
- if (r3.is(r4)) return true;
- return false;
+bool AreAliased(Register reg1,
+ Register reg2,
+ Register reg3,
+ Register reg4,
+ Register reg5,
+ Register reg6,
+ Register reg7,
+ Register reg8) {
+ int n_of_valid_regs = reg1.is_valid() + reg2.is_valid() +
+ reg3.is_valid() + reg4.is_valid() + reg5.is_valid() + reg6.is_valid() +
+ reg7.is_valid() + reg8.is_valid();
+
+ RegList regs = 0;
+ if (reg1.is_valid()) regs |= reg1.bit();
+ if (reg2.is_valid()) regs |= reg2.bit();
+ if (reg3.is_valid()) regs |= reg3.bit();
+ if (reg4.is_valid()) regs |= reg4.bit();
+ if (reg5.is_valid()) regs |= reg5.bit();
+ if (reg6.is_valid()) regs |= reg6.bit();
+ if (reg7.is_valid()) regs |= reg7.bit();
+ if (reg8.is_valid()) regs |= reg8.bit();
+ int n_of_non_aliasing_regs = NumRegs(regs);
+
+ return n_of_valid_regs != n_of_non_aliasing_regs;
}
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