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[mips][wasm-simd][liftoff] Implement rounding average

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Port bd04ee0864
https://crrev.com/c/2143386

Change-Id: I547c9b5b341abe76d6983a07633129299c32e017
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2143978
Reviewed-by: Zhi An Ng <zhin@chromium.org>
Commit-Queue: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Cr-Commit-Position: refs/heads/master@{#67098}
This commit is contained in:
Zhao Jiazhong 2020-04-09 23:33:34 -04:00 committed by Commit Bot
parent bf7e23afba
commit ffb4f2b77f
2 changed files with 36 additions and 0 deletions
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18
src/wasm/baseline/mips/liftoff-assembler-mips.h
View File

@ -2000,6 +2000,24 @@ void LiftoffAssembler::emit_f64x2_replace_lane(LiftoffRegister dst,
bailout(kSimd, "emit_f64x2_replace_lane");
}
void LiftoffAssembler::emit_i8x16_rounding_average_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
// TODO(mips): Support this on loongson 3a4000. Currently, the main MIPS
// CPU, Loongson 3a3000 does not support MSA(simd128), but the upcoming
// 3a4000 support MSA.
bailout(kSimd, "emit_i8x16_rounding_average_u");
}
void LiftoffAssembler::emit_i16x8_rounding_average_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
// TODO(mips): Support this on loongson 3a4000. Currently, the main MIPS
// CPU, Loongson 3a3000 does not support MSA(simd128), but the upcoming
// 3a4000 support MSA.
bailout(kSimd, "emit_i16x8_rounding_average_u");
}
void LiftoffAssembler::StackCheck(Label* ool_code, Register limit_address) {
TurboAssembler::Ulw(limit_address, MemOperand(limit_address));
TurboAssembler::Branch(ool_code, ule, sp, Operand(limit_address));

18
src/wasm/baseline/mips64/liftoff-assembler-mips64.h
View File

@ -1792,6 +1792,24 @@ void LiftoffAssembler::emit_f64x2_replace_lane(LiftoffRegister dst,
bailout(kSimd, "emit_f64x2_replace_lane");
}
void LiftoffAssembler::emit_i8x16_rounding_average_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
// TODO(mips): Support this on loongson 3a4000. Currently, the main MIPS
// CPU, Loongson 3a3000 does not support MSA(simd128), but the upcoming
// 3a4000 support MSA.
bailout(kSimd, "emit_i8x16_rounding_average_u");
}
void LiftoffAssembler::emit_i16x8_rounding_average_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
// TODO(mips): Support this on loongson 3a4000. Currently, the main MIPS
// CPU, Loongson 3a3000 does not support MSA(simd128), but the upcoming
// 3a4000 support MSA.
bailout(kSimd, "emit_i16x8_rounding_average_u");
}
void LiftoffAssembler::StackCheck(Label* ool_code, Register limit_address) {
TurboAssembler::Uld(limit_address, MemOperand(limit_address));
TurboAssembler::Branch(ool_code, ule, sp, Operand(limit_address));