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
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@ -69,7 +69,7 @@ _mesa_x86_64_transform_points4_general:
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movq V4F_START(%rdx), %rdx /* ptr to first src vertex */
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movq V4F_START(%rdi), %rdi /* ptr to first dest vertex */
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prefetch 16(%rdx)
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prefetcht1 16(%rdx)
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movaps 0(%rsi), %xmm4 /* m3 | m2 | m1 | m0 */
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movaps 16(%rsi), %xmm5 /* m7 | m6 | m5 | m4 */
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@ -80,7 +80,7 @@ _mesa_x86_64_transform_points4_general:
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p4_general_loop:
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movups (%rdx), %xmm8 /* ox | oy | oz | ow */
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prefetchw 16(%rdi)
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prefetcht1 16(%rdi)
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pshufd $0x00, %xmm8, %xmm0 /* ox | ox | ox | ox */
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addq %rax, %rdx
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@ -93,7 +93,7 @@ p4_general_loop:
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addps %xmm1, %xmm0 /* ox*m3+oy*m7 | ... */
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mulps %xmm7, %xmm3 /* ow*m15 | ow*m14 | ow*m13 | ow*m12 */
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addps %xmm2, %xmm0 /* ox*m3+oy*m7+oz*m11 | ... */
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prefetch 16(%rdx)
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prefetcht1 16(%rdx)
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addps %xmm3, %xmm0 /* ox*m3+oy*m7+oz*m11+ow*m15 | ... */
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movaps %xmm0, (%rdi) /* ->D(3) | ->D(2) | ->D(1) | ->D(0) */
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@ -150,7 +150,7 @@ _mesa_x86_64_transform_points4_3d:
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movq V4F_START(%rdx), %rdx /* ptr to first src vertex */
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movq V4F_START(%rdi), %rdi /* ptr to first dest vertex */
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prefetch 16(%rdx)
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prefetcht1 16(%rdx)
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movaps 0(%rsi), %xmm4 /* m3 | m2 | m1 | m0 */
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movaps 16(%rsi), %xmm5 /* m7 | m6 | m5 | m4 */
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@ -166,7 +166,7 @@ _mesa_x86_64_transform_points4_3d:
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p4_3d_loop:
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movups (%rdx), %xmm8 /* ox | oy | oz | ow */
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prefetchw 16(%rdi)
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prefetcht1 16(%rdi)
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pshufd $0x00, %xmm8, %xmm0 /* ox | ox | ox | ox */
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addq %rax, %rdx
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@ -179,7 +179,7 @@ p4_3d_loop:
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addps %xmm1, %xmm0 /* ox*m3+oy*m7 | ... */
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mulps %xmm7, %xmm3 /* ow*m15 | ow*m14 | ow*m13 | ow*m12 */
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addps %xmm2, %xmm0 /* ox*m3+oy*m7+oz*m11 | ... */
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prefetch 16(%rdx)
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prefetcht1 16(%rdx)
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addps %xmm3, %xmm0 /* ox*m3+oy*m7+oz*m11+ow*m15 | ... */
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movaps %xmm0, (%rdi) /* ->D(3) | ->D(2) | ->D(1) | ->D(0) */
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@ -210,8 +210,8 @@ _mesa_x86_64_transform_points4_identity:
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movq V4F_START(%rdx), %rsi /* ptr to first src vertex */
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movq V4F_START(%rdi), %rdi /* ptr to first dest vertex */
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prefetch 64(%rsi)
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prefetchw 64(%rdi)
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prefetcht1 64(%rsi)
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prefetcht1 64(%rdi)
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add %ecx, %ecx
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@ -242,7 +242,7 @@ _mesa_3dnow_transform_points4_3d_no_rot:
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movq V4F_START(%rdx), %rdx /* ptr to first src vertex */
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movq V4F_START(%rdi), %rdi /* ptr to first dest vertex */
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prefetch (%rdx)
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prefetcht1 (%rdx)
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movd (%rsi), %mm0 /* | m00 */
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.byte 0x66, 0x66, 0x90 /* manual align += 3 */
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@ -255,7 +255,7 @@ _mesa_3dnow_transform_points4_3d_no_rot:
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p4_3d_no_rot_loop:
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prefetchw 32(%rdi)
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prefetcht1 32(%rdi)
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movq (%rdx), %mm4 /* x1 | x0 */
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movq 8(%rdx), %mm5 /* x3 | x2 */
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@ -279,7 +279,7 @@ p4_3d_no_rot_loop:
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addq $16, %rdi
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decl %ecx
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prefetch 32(%rdx)
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prefetcht1 32(%rdx)
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jnz p4_3d_no_rot_loop
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p4_3d_no_rot_done:
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@ -311,7 +311,7 @@ _mesa_3dnow_transform_points4_perspective:
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punpckldq 20(%rsi), %mm0 /* m11 | m00 */
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movq 32(%rsi), %mm2 /* m21 | m20 */
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prefetch (%rdx)
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prefetcht1 (%rdx)
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movd 40(%rsi), %mm1 /* | m22 */
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@ -321,7 +321,7 @@ _mesa_3dnow_transform_points4_perspective:
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p4_perspective_loop:
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prefetchw 32(%rdi) /* prefetch 2 vertices ahead */
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prefetcht1 32(%rdi) /* prefetch 2 vertices ahead */
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movq (%rdx), %mm4 /* x1 | x0 */
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movq 8(%rdx), %mm5 /* x3 | x2 */
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@ -347,7 +347,7 @@ p4_perspective_loop:
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addq $16, %rdi
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decl %ecx
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prefetch 32(%rdx) /* hopefully stride is zero */
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prefetcht1 32(%rdx) /* hopefully stride is zero */
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jnz p4_perspective_loop
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p4_perspective_done:
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@ -374,14 +374,14 @@ _mesa_3dnow_transform_points4_2d_no_rot:
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movq V4F_START(%rdi), %rdi /* ptr to first dest vertex */
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movd (%rsi), %mm0 /* | m00 */
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prefetch (%rdx)
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prefetcht1 (%rdx)
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punpckldq 20(%rsi), %mm0 /* m11 | m00 */
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movq 48(%rsi), %mm1 /* m31 | m30 */
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p4_2d_no_rot_loop:
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prefetchw 32(%rdi) /* prefetch 2 vertices ahead */
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prefetcht1 32(%rdi) /* prefetch 2 vertices ahead */
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movq (%rdx), %mm4 /* x1 | x0 */
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movq 8(%rdx), %mm5 /* x3 | x2 */
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@ -394,7 +394,7 @@ p4_2d_no_rot_loop:
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addq %rax, %rdx
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pfmul %mm1, %mm6 /* x3*m31 | x3*m30 */
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prefetch 32(%rdx) /* hopefully stride is zero */
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prefetcht1 32(%rdx) /* hopefully stride is zero */
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pfadd %mm4, %mm6 /* x1*m11+x3*m31 | x0*m00+x3*m30 */
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movq %mm6, (%rdi) /* write r0, r1 */
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@ -433,7 +433,7 @@ _mesa_3dnow_transform_points4_2d:
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movd (%rsi), %mm0 /* | m00 */
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movd 4(%rsi), %mm1 /* | m01 */
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prefetch (%rdx)
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prefetcht1 (%rdx)
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punpckldq 16(%rsi), %mm0 /* m10 | m00 */
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.byte 0x66, 0x66, 0x90 /* manual align += 4 */
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@ -443,7 +443,7 @@ _mesa_3dnow_transform_points4_2d:
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p4_2d_loop:
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prefetchw 32(%rdi) /* prefetch 2 vertices ahead */
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prefetcht1 32(%rdi) /* prefetch 2 vertices ahead */
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movq (%rdx), %mm3 /* x1 | x0 */
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movq 8(%rdx), %mm5 /* x3 | x2 */
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@ -460,7 +460,7 @@ p4_2d_loop:
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pfacc %mm4, %mm3 /* x0*m01+x1*m11 | x0*m00+x1*m10 */
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pfmul %mm2, %mm6 /* x3*m31 | x3*m30 */
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prefetch 32(%rdx) /* hopefully stride is zero */
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prefetcht1 32(%rdx) /* hopefully stride is zero */
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pfadd %mm6, %mm3 /* r1 | r0 */
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