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| author | Ben Shi <powerman1st@163.com> | 2019-03-15 08:26:53 +0000 |
|---|---|---|
| committer | Ben Shi <powerman1st@163.com> | 2019-03-23 01:39:16 +0000 |
| commit | a189467cdae5421c863cf940778d681ecb1d3d2f (patch) | |
| tree | 3252da64049d297e3c90117669f8f74ae94da2ee /src/cmd/asm/internal | |
| parent | 1257d05088c3842efa2aa23f8d6abe000e494f1a (diff) | |
| download | go-a189467cdae5421c863cf940778d681ecb1d3d2f.tar.xz | |
cmd/internal/obj/mips: add MADD/MSUB
This CL implements MADD&MSUB, which are mips32r2 instructions.
Change-Id: I06fe51573569baf3b71536336b34b95ccd24750b
Reviewed-on: https://go-review.googlesource.com/c/go/+/167680
Run-TryBot: Ben Shi <powerman1st@163.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Diffstat (limited to 'src/cmd/asm/internal')
| -rw-r--r-- | src/cmd/asm/internal/arch/mips.go | 3 | ||||
| -rw-r--r-- | src/cmd/asm/internal/asm/testdata/mips.s | 8 |
2 files changed, 10 insertions, 1 deletions
diff --git a/src/cmd/asm/internal/arch/mips.go b/src/cmd/asm/internal/arch/mips.go index 14b29331e5..22c9ebd2da 100644 --- a/src/cmd/asm/internal/arch/mips.go +++ b/src/cmd/asm/internal/arch/mips.go @@ -38,7 +38,8 @@ func IsMIPSMUL(op obj.As) bool { switch op { case mips.AMUL, mips.AMULU, mips.AMULV, mips.AMULVU, mips.ADIV, mips.ADIVU, mips.ADIVV, mips.ADIVVU, - mips.AREM, mips.AREMU, mips.AREMV, mips.AREMVU: + mips.AREM, mips.AREMU, mips.AREMV, mips.AREMVU, + mips.AMADD, mips.AMSUB: return true } return false diff --git a/src/cmd/asm/internal/asm/testdata/mips.s b/src/cmd/asm/internal/asm/testdata/mips.s index 0c6f7fd552..7136d686d7 100644 --- a/src/cmd/asm/internal/asm/testdata/mips.s +++ b/src/cmd/asm/internal/asm/testdata/mips.s @@ -424,7 +424,15 @@ label4: CALL foo(SB) RET foo(SB) + // unary operation NEGW R1, R2 // 00011023 + CLZ R1, R2 // 70221020 + CLO R1, R2 // 70221021 + + // to (Hi, Lo) + MADD R2, R1 // 70220000 + MSUB R2, R1 // 70220004 + MUL R2, R1 // 00220018 // END // |