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| author | Ben Shi <powerman1st@163.com> | 2017-06-23 08:05:37 +0000 |
|---|---|---|
| committer | Cherry Zhang <cherryyz@google.com> | 2017-06-23 18:08:20 +0000 |
| commit | 3785457c765018a8ca5a399da177ddc5573db68d (patch) | |
| tree | a0898cdd8273ecee76b3c61837e727151fc506e5 | |
| parent | ddeab538263307f6d76e3a8a7f2c4b12383b61bc (diff) | |
| download | go-3785457c765018a8ca5a399da177ddc5573db68d.tar.xz | |
cmd/internal/obj/arm: fix wrong encoding of MULBB
"MULBB R1, R2, R3" is encoded to 0xe163f182, which should be
0xe1630182.
This patch fix it.
fix #20764
Change-Id: I9d3c3ffa40ecde86638e5e083eacc67578caebf4
Reviewed-on: https://go-review.googlesource.com/46491
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
| -rw-r--r-- | src/cmd/asm/internal/asm/testdata/arm.s | 2 | ||||
| -rw-r--r-- | src/cmd/internal/obj/arm/asm5.go | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/src/cmd/asm/internal/asm/testdata/arm.s b/src/cmd/asm/internal/asm/testdata/arm.s index e5ad86cdc2..8f743e7bfa 100644 --- a/src/cmd/asm/internal/asm/testdata/arm.s +++ b/src/cmd/asm/internal/asm/testdata/arm.s @@ -975,7 +975,7 @@ jmp_label_3: MULL R1, R2, (R4, R3) // 9231c4e0 MULL.S R1, R2, (R4, R3) // 9231d4e0 MMUL R1, R2, R3 // 12f153e7 - MULBB R1, R2, R3 // 82f163e1 + MULBB R1, R2, R3 // 820163e1 MULWB R1, R2, R3 // a20123e1 MULWT R1, R2, R3 // e20123e1 diff --git a/src/cmd/internal/obj/arm/asm5.go b/src/cmd/internal/obj/arm/asm5.go index 6cb6072769..0836a7fa4e 100644 --- a/src/cmd/internal/obj/arm/asm5.go +++ b/src/cmd/internal/obj/arm/asm5.go @@ -2866,7 +2866,7 @@ func (c *ctxt5) oprrr(p *obj.Prog, a obj.As, sc int) uint32 { return o&(0xf<<28) | 0x12<<20 | 0xa<<4 case AMULBB: - return o&(0xf<<28) | 0x16<<20 | 0xf<<12 | 0x8<<4 + return o&(0xf<<28) | 0x16<<20 | 0x8<<4 case AMULAWT: return o&(0xf<<28) | 0x12<<20 | 0xc<<4 |