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[mips64][liftoff] Fix converting u32 to intptr

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emit_u32_to_intptr should zero-extend the low 32 bits of the src.

Bug: v8:10925
Change-Id: I48135da054d5f30d7aa4d67918c839debc7cdb2f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2418031
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Cr-Commit-Position: refs/heads/master@{#70024}
This commit is contained in:
Zhao Jiazhong 2020-09-18 03:14:07 -04:00 committed by Commit Bot
parent b24d8de18b
commit 065fa73a8e
1 changed files with 1 additions and 1 deletions
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src/wasm/baseline/mips64/liftoff-assembler-mips64.h
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@ -919,7 +919,7 @@ I64_SHIFTOP_I(shr, dsrl)
#undef I64_SHIFTOP_I #undef I64_SHIFTOP_I
void LiftoffAssembler::emit_u32_to_intptr(Register dst, Register src) { void LiftoffAssembler::emit_u32_to_intptr(Register dst, Register src) {
addu(dst, src, zero_reg); Dext(dst, src, 0, 32);
} }
void LiftoffAssembler::emit_f32_neg(DoubleRegister dst, DoubleRegister src) { void LiftoffAssembler::emit_f32_neg(DoubleRegister dst, DoubleRegister src) {