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authorJiaxun Yang <jiaxun.yang@flygoat.com>2020-05-12 12:40:12 +0800
committerJiaxun Yang <jiaxun.yang@flygoat.com>2020-05-14 16:31:58 +0800
commit574d071b5cb96fa0c63dacb66a2573699703c481 (patch)
tree8a972bbe89bf56cc39d3375c375429059e9beb54
parentd032fb8df86fd6fd3f68f5a28bfd81427ed465ad (diff)
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Bug 1424978 - IonMonkey: MIPS64: Fix unboxNonDouble for Int32
Tag: #1542
-rw-r--r--js/src/jit/mips64/MacroAssembler-mips64.cpp30
1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/jit/mips64/MacroAssembler-mips64.cpp b/js/src/jit/mips64/MacroAssembler-mips64.cpp
index e16e5d03f..d283d0b4c 100644
--- a/js/src/jit/mips64/MacroAssembler-mips64.cpp
+++ b/js/src/jit/mips64/MacroAssembler-mips64.cpp
@@ -1366,22 +1366,52 @@ MacroAssemblerMIPS64Compat::testUndefinedSet(Condition cond, const ValueOperand&
void
MacroAssemblerMIPS64Compat::unboxNonDouble(const ValueOperand& operand, Register dest)
{
+ Label isInt32, done;
+ Register tag = splitTagForTest(operand);
+ asMasm().branchTestInt32(Assembler::Equal, tag, &isInt32);
+
ma_dext(dest, operand.valueReg(), Imm32(0), Imm32(JSVAL_TAG_SHIFT));
+ jump(&done);
+
+ bind(&isInt32);
+ ma_sll(dest, operand.valueReg(), Imm32(0));
+
+ bind(&done);
}
void
MacroAssemblerMIPS64Compat::unboxNonDouble(const Address& src, Register dest)
{
+ Label isInt32, done;
loadPtr(Address(src.base, src.offset), dest);
+ splitTag(dest, SecondScratchReg);
+ asMasm().branchTestInt32(Assembler::Equal, SecondScratchReg, &isInt32);
+
ma_dext(dest, dest, Imm32(0), Imm32(JSVAL_TAG_SHIFT));
+ jump(&done);
+
+ bind(&isInt32);
+ ma_sll(dest, dest, Imm32(0));
+
+ bind(&done);
}
void
MacroAssemblerMIPS64Compat::unboxNonDouble(const BaseIndex& src, Register dest)
{
+ Label isInt32, done;
computeScaledAddress(src, SecondScratchReg);
loadPtr(Address(SecondScratchReg, src.offset), dest);
+ splitTag(dest, SecondScratchReg);
+ asMasm().branchTestInt32(Assembler::Equal, SecondScratchReg, &isInt32);
+
ma_dext(dest, dest, Imm32(0), Imm32(JSVAL_TAG_SHIFT));
+ jump(&done);
+
+ bind(&isInt32);
+ ma_sll(dest, dest, Imm32(0));
+
+ bind(&done);
}
void