From 048580d341a530bb8d9ca891f95ce79aace4151f Mon Sep 17 00:00:00 2001 From: Lynn Boger Date: Tue, 13 Nov 2018 16:05:15 -0500 Subject: [PATCH] cmd/asm,cmd/internal/obj/ppc64: add VPERMXOR to ppc64 assembler VPERMXOR is missing from the Go assembler for ppc64. It has the same format as VPERM. It was requested by an external user so they could write an optimized algorithm in asm. Change-Id: Icf4c682f7f46716ccae64e6ae3d62e8cec67f6c1 Reviewed-on: https://go-review.googlesource.com/c/151578 Run-TryBot: Lynn Boger TryBot-Result: Gobot Gobot Reviewed-by: Carlos Eduardo Seo --- src/cmd/asm/internal/asm/testdata/ppc64.s | 1 + src/cmd/internal/obj/ppc64/a.out.go | 1 + src/cmd/internal/obj/ppc64/anames.go | 1 + src/cmd/internal/obj/ppc64/asm9.go | 4 +++- 4 files changed, 6 insertions(+), 1 deletion(-) diff --git a/src/cmd/asm/internal/asm/testdata/ppc64.s b/src/cmd/asm/internal/asm/testdata/ppc64.s index 9e8929dac4..366c80c090 100644 --- a/src/cmd/asm/internal/asm/testdata/ppc64.s +++ b/src/cmd/asm/internal/asm/testdata/ppc64.s @@ -948,6 +948,7 @@ label1: // VRA,VRB,VRC,VRT produces // VRT,VRA,VRB,VRC VPERM V3, V2, V1, V0 + VPERMXOR V3, V2, V1, V0 // Vector bit permute, VX-form // VRA,VRB,VRT produces diff --git a/src/cmd/internal/obj/ppc64/a.out.go b/src/cmd/internal/obj/ppc64/a.out.go index 0fd9c81039..6b248d5c36 100644 --- a/src/cmd/internal/obj/ppc64/a.out.go +++ b/src/cmd/internal/obj/ppc64/a.out.go @@ -903,6 +903,7 @@ const ( AVCMPNEZB AVCMPNEZBCC AVPERM + AVPERMXOR AVBPERMQ AVBPERMD AVSEL diff --git a/src/cmd/internal/obj/ppc64/anames.go b/src/cmd/internal/obj/ppc64/anames.go index c04ce27e46..fb934e96f9 100644 --- a/src/cmd/internal/obj/ppc64/anames.go +++ b/src/cmd/internal/obj/ppc64/anames.go @@ -493,6 +493,7 @@ var Anames = []string{ "VCMPNEZB", "VCMPNEZBCC", "VPERM", + "VPERMXOR", "VBPERMQ", "VBPERMD", "VSEL", diff --git a/src/cmd/internal/obj/ppc64/asm9.go b/src/cmd/internal/obj/ppc64/asm9.go index 51a9a18601..d7f1a08622 100644 --- a/src/cmd/internal/obj/ppc64/asm9.go +++ b/src/cmd/internal/obj/ppc64/asm9.go @@ -1498,7 +1498,7 @@ func buildop(ctxt *obj.Link) { opset(AVCMPNEZBCC, r0) case AVPERM: /* vperm */ - opset(AVPERM, r0) + opset(AVPERMXOR, r0) case AVBPERMQ: /* vbpermq, vbpermd */ opset(AVBPERMD, r0) @@ -4503,6 +4503,8 @@ func (c *ctxt9) oprrr(a obj.As) uint32 { case AVPERM: return OPVX(4, 43, 0, 0) /* vperm - v2.03 */ + case AVPERMXOR: + return OPVX(4, 45, 0, 0) /* vpermxor - v2.03 */ case AVSEL: return OPVX(4, 42, 0, 0) /* vsel - v2.03 */ -- 2.50.0