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cmd/internal/obj/x86: Make VPSHUFD accept negative constant

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This partially reverts commit 4e24e1d999.
Since in release 1.7 VPSHUFD support negative constant as an argument,
removing it as part of 4e24e1d999 was wrong.
Add it back.

Change-Id: Id1a3e062fe8fb4cf538edb3f9970f0664f3f545f
Reviewed-on: https://go-review.googlesource.com/27712
Run-TryBot: Ilya Tocar <ilya.tocar@intel.com>
Reviewed-by: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Ilya Tocar 2016-08-25 16:39:07 +03:00
parent bdde10137b
commit 04ade8e428
1 changed files with 3 additions and 1 deletions
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4
src/cmd/internal/obj/x86/asm6.go
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@ -857,6 +857,8 @@ var yvex_ri3 = []ytab{
var yvex_xyi3 = []ytab{
{Yu8, Yxm, Yxr, Zvex_i_rm_r, 2},
{Yu8, Yym, Yyr, Zvex_i_rm_r, 2},
{Yi8, Yxm, Yxr, Zvex_i_rm_r, 2},
{Yi8, Yym, Yyr, Zvex_i_rm_r, 2},
}
var yvex_yyi4 = []ytab{ //TODO don't hide 4 op, some version have xmm version
@ -1712,7 +1714,7 @@ var optab =
{AVPBROADCASTB, yvex_vpbroadcast, Pvex, [23]uint8{VEX_128_66_0F38_W0, 0x78, VEX_256_66_0F38_W0, 0x78}},
{AVPTEST, yvex_xy2, Pvex, [23]uint8{VEX_128_66_0F38_WIG, 0x17, VEX_256_66_0F38_WIG, 0x17}},
{AVPSHUFB, yvex_xy3, Pvex, [23]uint8{VEX_128_66_0F38_WIG, 0x00, VEX_256_66_0F38_WIG, 0x00}},
{AVPSHUFD, yvex_xyi3, Pvex, [23]uint8{VEX_128_66_0F_WIG, 0x70, VEX_256_66_0F_WIG, 0x70}},
{AVPSHUFD, yvex_xyi3, Pvex, [23]uint8{VEX_128_66_0F_WIG, 0x70, VEX_256_66_0F_WIG, 0x70, VEX_128_66_0F_WIG, 0x70, VEX_256_66_0F_WIG, 0x70}},
{AVPOR, yvex_xy3, Pvex, [23]uint8{VEX_128_66_0F_WIG, 0xeb, VEX_256_66_0F_WIG, 0xeb}},
{AVPADDQ, yvex_xy3, Pvex, [23]uint8{VEX_128_66_0F_WIG, 0xd4, VEX_256_66_0F_WIG, 0xd4}},
{AVPADDD, yvex_xy3, Pvex, [23]uint8{VEX_128_66_0F_WIG, 0xfe, VEX_256_66_0F_WIG, 0xfe}},