diff options
| author | isharipo <iskander.sharipov@intel.com> | 2017-08-18 13:33:00 +0300 |
|---|---|---|
| committer | Ilya Tocar <ilya.tocar@intel.com> | 2017-09-06 15:37:00 +0000 |
| commit | 4074e4e5be5988a0c168eeba6417e7aceac7d9a5 (patch) | |
| tree | 863ca99229b3b79fb80a108dc21db2df471ec5cc /src | |
| parent | 26dadbe32ce5b9d705ef38279e1f85fbbdf58287 (diff) | |
| download | go-4074e4e5be5988a0c168eeba6417e7aceac7d9a5.tar.xz | |
cmd/asm: add amd64 CLFLUSH instruction
This is the last instruction I found missing in SSE2 set.
It does not reuse 'yprefetch' ytabs due to differences in
operands SRC/DST roles:
- PREFETCHx: ModRM:r/m(r) -> FROM
- CLFLUSH: ModRM:r/m(w) -> TO
unaryDst map is extended accordingly.
Change-Id: I89e34ebb81cc0ee5f9ebbb1301bad417f7ee437f
Reviewed-on: https://go-review.googlesource.com/56833
Run-TryBot: Ilya Tocar <ilya.tocar@intel.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ilya Tocar <ilya.tocar@intel.com>
Reviewed-by: Russ Cox <rsc@golang.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/cmd/asm/internal/asm/testdata/amd64enc.s | 4 | ||||
| -rw-r--r-- | src/cmd/internal/obj/x86/a.out.go | 1 | ||||
| -rw-r--r-- | src/cmd/internal/obj/x86/anames.go | 1 | ||||
| -rw-r--r-- | src/cmd/internal/obj/x86/asm6.go | 5 | ||||
| -rw-r--r-- | src/cmd/internal/obj/x86/obj6.go | 1 |
5 files changed, 10 insertions, 2 deletions
diff --git a/src/cmd/asm/internal/asm/testdata/amd64enc.s b/src/cmd/asm/internal/asm/testdata/amd64enc.s index 534854f845..ed80f6f92e 100644 --- a/src/cmd/asm/internal/asm/testdata/amd64enc.s +++ b/src/cmd/asm/internal/asm/testdata/amd64enc.s @@ -771,8 +771,8 @@ TEXT asmtest(SB),DUPOK|NOSPLIT,$0 //TODO: CLAC // 0f01ca CLC // f8 CLD // fc - //TODO: CLFLUSH (BX) // 0fae3b - //TODO: CLFLUSH (R11) // 410fae3b + CLFLUSH (BX) // 0fae3b + CLFLUSH (R11) // 410fae3b //TODO: CLFLUSHOPT (BX) // 660fae3b //TODO: CLFLUSHOPT (R11) // 66410fae3b CLI // fa diff --git a/src/cmd/internal/obj/x86/a.out.go b/src/cmd/internal/obj/x86/a.out.go index 36e715933f..778bdc6383 100644 --- a/src/cmd/internal/obj/x86/a.out.go +++ b/src/cmd/internal/obj/x86/a.out.go @@ -76,6 +76,7 @@ const ( ABYTE ACLC ACLD + ACLFLUSH ACLI ACLTS ACMC diff --git a/src/cmd/internal/obj/x86/anames.go b/src/cmd/internal/obj/x86/anames.go index 8499e93b84..45b39aa552 100644 --- a/src/cmd/internal/obj/x86/anames.go +++ b/src/cmd/internal/obj/x86/anames.go @@ -38,6 +38,7 @@ var Anames = []string{ "BYTE", "CLC", "CLD", + "CLFLUSH", "CLI", "CLTS", "CMC", diff --git a/src/cmd/internal/obj/x86/asm6.go b/src/cmd/internal/obj/x86/asm6.go index 48b96cd7c9..16e58ad94d 100644 --- a/src/cmd/internal/obj/x86/asm6.go +++ b/src/cmd/internal/obj/x86/asm6.go @@ -551,6 +551,10 @@ var ypopl = []ytab{ {Ynone, Ynone, Ym, Zo_m, 2}, } +var yclflush = []ytab{ + {Ynone, Ynone, Ym, Zo_m, 2}, +} + var ybswap = []ytab{ {Ynone, Ynone, Yrl, Z_rp, 2}, } @@ -994,6 +998,7 @@ var optab = {ACDQ, ynone, Px, [23]uint8{0x99}}, {ACLC, ynone, Px, [23]uint8{0xf8}}, {ACLD, ynone, Px, [23]uint8{0xfc}}, + {ACLFLUSH, yclflush, Pm, [23]uint8{0xae, 07}}, {ACLI, ynone, Px, [23]uint8{0xfa}}, {ACLTS, ynone, Pm, [23]uint8{0x06}}, {ACMC, ynone, Px, [23]uint8{0xf5}}, diff --git a/src/cmd/internal/obj/x86/obj6.go b/src/cmd/internal/obj/x86/obj6.go index 52fbaa0156..38aeb4a59d 100644 --- a/src/cmd/internal/obj/x86/obj6.go +++ b/src/cmd/internal/obj/x86/obj6.go @@ -1183,6 +1183,7 @@ func stacksplit(ctxt *obj.Link, cursym *obj.LSym, p *obj.Prog, newprog obj.ProgA var unaryDst = map[obj.As]bool{ ABSWAPL: true, ABSWAPQ: true, + ACLFLUSH: true, ACMPXCHG8B: true, ADECB: true, ADECL: true, |