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| author | Patrick Baggett <baggett.patrick@gmail.com> | 2016-02-04 08:05:54 +1100 |
|---|---|---|
| committer | Timothy Arceri <timothy.arceri@collabora.com> | 2016-02-04 22:02:31 +1100 |
| commit | 9c78cfd547a69f6f45d7acaa8ade681640caee95 (patch) | |
| tree | 99fb5fecf3e68d5823724d185922128325b350fb /src/mesa/x86-64 | |
| parent | edd494ddf0d6649800c4e83dbc3cc6cd97ce56f7 (diff) | |
| download | external_mesa3d-9c78cfd547a69f6f45d7acaa8ade681640caee95.zip external_mesa3d-9c78cfd547a69f6f45d7acaa8ade681640caee95.tar.gz external_mesa3d-9c78cfd547a69f6f45d7acaa8ade681640caee95.tar.bz2 | |
mesa: Use SSE prefetch instructions rather than 3DNow instructions
64-bit Pentium 4 CPUs don't have the 3DNow prefetch instructions
which results in an Illegal instruction crash.
Cc: "11.0 11.1" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Tested-by: Timothy Arceri <t_arceri@yahoo.com.au>
https://bugs.freedesktop.org/show_bug.cgi?id=27512
Diffstat (limited to 'src/mesa/x86-64')
| -rw-r--r-- | src/mesa/x86-64/xform4.S | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/src/mesa/x86-64/xform4.S b/src/mesa/x86-64/xform4.S index c185f62..b0aca19 100644 --- a/src/mesa/x86-64/xform4.S +++ b/src/mesa/x86-64/xform4.S @@ -69,7 +69,7 @@ _mesa_x86_64_transform_points4_general: movq V4F_START(%rdx), %rdx /* ptr to first src vertex */ movq V4F_START(%rdi), %rdi /* ptr to first dest vertex */ - prefetch 16(%rdx) + prefetcht1 16(%rdx) movaps 0(%rsi), %xmm4 /* m3 | m2 | m1 | m0 */ movaps 16(%rsi), %xmm5 /* m7 | m6 | m5 | m4 */ @@ -80,7 +80,7 @@ _mesa_x86_64_transform_points4_general: p4_general_loop: movups (%rdx), %xmm8 /* ox | oy | oz | ow */ - prefetchw 16(%rdi) + prefetcht1 16(%rdi) pshufd $0x00, %xmm8, %xmm0 /* ox | ox | ox | ox */ addq %rax, %rdx @@ -93,7 +93,7 @@ p4_general_loop: addps %xmm1, %xmm0 /* ox*m3+oy*m7 | ... */ mulps %xmm7, %xmm3 /* ow*m15 | ow*m14 | ow*m13 | ow*m12 */ addps %xmm2, %xmm0 /* ox*m3+oy*m7+oz*m11 | ... */ - prefetch 16(%rdx) + prefetcht1 16(%rdx) addps %xmm3, %xmm0 /* ox*m3+oy*m7+oz*m11+ow*m15 | ... */ movaps %xmm0, (%rdi) /* ->D(3) | ->D(2) | ->D(1) | ->D(0) */ @@ -150,7 +150,7 @@ _mesa_x86_64_transform_points4_3d: movq V4F_START(%rdx), %rdx /* ptr to first src vertex */ movq V4F_START(%rdi), %rdi /* ptr to first dest vertex */ - prefetch 16(%rdx) + prefetcht1 16(%rdx) movaps 0(%rsi), %xmm4 /* m3 | m2 | m1 | m0 */ movaps 16(%rsi), %xmm5 /* m7 | m6 | m5 | m4 */ @@ -166,7 +166,7 @@ _mesa_x86_64_transform_points4_3d: p4_3d_loop: movups (%rdx), %xmm8 /* ox | oy | oz | ow */ - prefetchw 16(%rdi) + prefetcht1 16(%rdi) pshufd $0x00, %xmm8, %xmm0 /* ox | ox | ox | ox */ addq %rax, %rdx @@ -179,7 +179,7 @@ p4_3d_loop: addps %xmm1, %xmm0 /* ox*m3+oy*m7 | ... */ mulps %xmm7, %xmm3 /* ow*m15 | ow*m14 | ow*m13 | ow*m12 */ addps %xmm2, %xmm0 /* ox*m3+oy*m7+oz*m11 | ... */ - prefetch 16(%rdx) + prefetcht1 16(%rdx) addps %xmm3, %xmm0 /* ox*m3+oy*m7+oz*m11+ow*m15 | ... */ movaps %xmm0, (%rdi) /* ->D(3) | ->D(2) | ->D(1) | ->D(0) */ @@ -210,8 +210,8 @@ _mesa_x86_64_transform_points4_identity: movq V4F_START(%rdx), %rsi /* ptr to first src vertex */ movq V4F_START(%rdi), %rdi /* ptr to first dest vertex */ - prefetch 64(%rsi) - prefetchw 64(%rdi) + prefetcht1 64(%rsi) + prefetcht1 64(%rdi) add %ecx, %ecx @@ -242,7 +242,7 @@ _mesa_3dnow_transform_points4_3d_no_rot: movq V4F_START(%rdx), %rdx /* ptr to first src vertex */ movq V4F_START(%rdi), %rdi /* ptr to first dest vertex */ - prefetch (%rdx) + prefetcht1 (%rdx) movd (%rsi), %mm0 /* | m00 */ .byte 0x66, 0x66, 0x90 /* manual align += 3 */ @@ -255,7 +255,7 @@ _mesa_3dnow_transform_points4_3d_no_rot: p4_3d_no_rot_loop: - prefetchw 32(%rdi) + prefetcht1 32(%rdi) movq (%rdx), %mm4 /* x1 | x0 */ movq 8(%rdx), %mm5 /* x3 | x2 */ @@ -279,7 +279,7 @@ p4_3d_no_rot_loop: addq $16, %rdi decl %ecx - prefetch 32(%rdx) + prefetcht1 32(%rdx) jnz p4_3d_no_rot_loop p4_3d_no_rot_done: @@ -311,7 +311,7 @@ _mesa_3dnow_transform_points4_perspective: punpckldq 20(%rsi), %mm0 /* m11 | m00 */ movq 32(%rsi), %mm2 /* m21 | m20 */ - prefetch (%rdx) + prefetcht1 (%rdx) movd 40(%rsi), %mm1 /* | m22 */ @@ -321,7 +321,7 @@ _mesa_3dnow_transform_points4_perspective: p4_perspective_loop: - prefetchw 32(%rdi) /* prefetch 2 vertices ahead */ + prefetcht1 32(%rdi) /* prefetch 2 vertices ahead */ movq (%rdx), %mm4 /* x1 | x0 */ movq 8(%rdx), %mm5 /* x3 | x2 */ @@ -347,7 +347,7 @@ p4_perspective_loop: addq $16, %rdi decl %ecx - prefetch 32(%rdx) /* hopefully stride is zero */ + prefetcht1 32(%rdx) /* hopefully stride is zero */ jnz p4_perspective_loop p4_perspective_done: @@ -374,14 +374,14 @@ _mesa_3dnow_transform_points4_2d_no_rot: movq V4F_START(%rdi), %rdi /* ptr to first dest vertex */ movd (%rsi), %mm0 /* | m00 */ - prefetch (%rdx) + prefetcht1 (%rdx) punpckldq 20(%rsi), %mm0 /* m11 | m00 */ movq 48(%rsi), %mm1 /* m31 | m30 */ p4_2d_no_rot_loop: - prefetchw 32(%rdi) /* prefetch 2 vertices ahead */ + prefetcht1 32(%rdi) /* prefetch 2 vertices ahead */ movq (%rdx), %mm4 /* x1 | x0 */ movq 8(%rdx), %mm5 /* x3 | x2 */ @@ -394,7 +394,7 @@ p4_2d_no_rot_loop: addq %rax, %rdx pfmul %mm1, %mm6 /* x3*m31 | x3*m30 */ - prefetch 32(%rdx) /* hopefully stride is zero */ + prefetcht1 32(%rdx) /* hopefully stride is zero */ pfadd %mm4, %mm6 /* x1*m11+x3*m31 | x0*m00+x3*m30 */ movq %mm6, (%rdi) /* write r0, r1 */ @@ -433,7 +433,7 @@ _mesa_3dnow_transform_points4_2d: movd (%rsi), %mm0 /* | m00 */ movd 4(%rsi), %mm1 /* | m01 */ - prefetch (%rdx) + prefetcht1 (%rdx) punpckldq 16(%rsi), %mm0 /* m10 | m00 */ .byte 0x66, 0x66, 0x90 /* manual align += 4 */ @@ -443,7 +443,7 @@ _mesa_3dnow_transform_points4_2d: p4_2d_loop: - prefetchw 32(%rdi) /* prefetch 2 vertices ahead */ + prefetcht1 32(%rdi) /* prefetch 2 vertices ahead */ movq (%rdx), %mm3 /* x1 | x0 */ movq 8(%rdx), %mm5 /* x3 | x2 */ @@ -460,7 +460,7 @@ p4_2d_loop: pfacc %mm4, %mm3 /* x0*m01+x1*m11 | x0*m00+x1*m10 */ pfmul %mm2, %mm6 /* x3*m31 | x3*m30 */ - prefetch 32(%rdx) /* hopefully stride is zero */ + prefetcht1 32(%rdx) /* hopefully stride is zero */ pfadd %mm6, %mm3 /* r1 | r0 */ |