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https://gitlab.freedesktop.org/mesa/mesa.git
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remove commented-out code
This commit is contained in:
Benno Schulenberg
Brian
parent
29afd4bbc4
commit
6cc96bf156
1 changed files with 7 additions and 110 deletions
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@ -33,20 +33,7 @@
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.file "read_rgba_span_x86.S"
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#if !defined(__DJGPP__) && !defined(__MINGW32__) /* this one cries for assyntax.h */
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/* Kevin F. Quinn 2nd July 2006
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* Replace data segment constants with text-segment instructions
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.section .rodata
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.align 16
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.type mask, @object
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.size mask, 32
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mask:
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.long 0xff00ff00
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.long 0xff00ff00
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.long 0xff00ff00
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.long 0xff00ff00
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.long 0x00ff0000
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.long 0x00ff0000
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.long 0x00ff0000
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.long 0x00ff0000
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* Replaced data segment constants with text-segment instructions.
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*/
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#define LOAD_MASK(mvins,m1,m2) \
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pushl $0xff00ff00 ;\
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@ -61,8 +48,7 @@ mask:
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mvins (%esp), m2 ;\
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addl $32, %esp
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/* I implemented these as macros because the appear in quite a few places,
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/* I implemented these as macros because they appear in several places,
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* and I've tweaked them a number of times. I got tired of changing every
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* place they appear. :)
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*/
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@ -99,11 +85,6 @@ _generic_read_RGBA_span_BGRA8888_REV_MMX:
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#ifdef USE_INNER_EMMS
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emms
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#endif
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/* Kevin F. Quinn 2nd July 2006
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* Replace data segment constants with text-segment instructions
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movq mask, %mm1
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movq mask+16, %mm2
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*/
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LOAD_MASK(movq,%mm1,%mm2)
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movl 8(%esp), %ebx /* source pointer */
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@ -201,11 +182,7 @@ _generic_read_RGBA_span_BGRA8888_REV_SSE:
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#ifdef USE_INNER_EMMS
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emms
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#endif
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/* Kevin F. Quinn 2nd July 2006
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* Replace data segment constants with text-segment instructions
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movq mask, %mm1
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movq mask+16, %mm2
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*/
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LOAD_MASK(movq,%mm1,%mm2)
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movl 16(%esp), %ebx /* source pointer */
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@ -364,11 +341,6 @@ _generic_read_RGBA_span_BGRA8888_REV_SSE2:
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pushl %esi
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pushl %ebx
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/* Kevin F. Quinn 2nd July 2006
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* Replace data segment constants with text-segment instructions
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movdqa mask, %xmm1
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movdqa mask+16, %xmm2
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*/
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LOAD_MASK(movdqu,%xmm1,%xmm2)
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movl 12(%esp), %ebx /* source pointer */
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@ -491,60 +463,12 @@ _generic_read_RGBA_span_BGRA8888_REV_SSE2:
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/* Kevin F. Quinn 2nd July 2006
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* Replace data segment constants with text-segment instructions
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*/
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#if 0
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.section .rodata
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.align 16
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mask_565:
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.word 0xf800
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.word 0x07e0
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.word 0x001f
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.word 0x0000
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/* Setting SCALE_ADJUST to 5 gives a perfect match with the classic C
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* implementation in Mesa. Setting SCALE_ADJUST to 0 is slightly faster but
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* at a small cost to accuracy.
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*/
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#define SCALE_ADJUST 5
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#if SCALE_ADJUST == 5
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prescale:
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.word 0x0001
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.word 0x0010
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.word 0x0200
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.word 0x0000
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scale:
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.word 0x20e8 /* (0x00ff0000 / 0x000007c0) + 1 */
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.word 0x40c5 /* (0x00ff0000 / 0x000003f0) + 1 */
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.word 0x839d /* (0x00ff0000 / 0x000001f0) + 1 */
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.word 0x0000
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#elif SCALE_ADJUST == 0
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prescale:
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.word 0x0001
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.word 0x0020
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.word 0x0800
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.word 0x0000
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scale:
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.word 0x0108 /* (0x00ff0000 / 0x0000f800) + 1 */
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.word 0x0104 /* (0x00ff0000 / 0x0000fc00) + 1 */
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.word 0x0108 /* (0x00ff0000 / 0x0000f800) + 1 */
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.word 0x0000
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#else
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#error SCALE_ADJUST must either be 5 or 0.
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#endif
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alpha: .long 0x00000000
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.long 0x00ff0000
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#endif
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#define MASK_565_L 0x07e0f800
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#define MASK_565_H 0x0000001f
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/* Setting SCALE_ADJUST to 5 gives a perfect match with the
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* classic C implementation in Mesa. Setting SCALE_ADJUST
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* to 0 is slightly faster but at a small cost to accuracy.
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*/
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#define SCALE_ADJUST 5
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#if SCALE_ADJUST == 5
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#define PRESCALE_L 0x00100001
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@ -581,12 +505,6 @@ _generic_read_RGBA_span_RGB565_MMX:
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movl 8(%esp), %edx /* destination pointer */
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movl 12(%esp), %ecx /* number of pixels to copy */
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/* Kevin F. Quinn 2nd July 2006
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* Replace data segment constants with text-segment instructions
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movq mask_565, %mm5
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movq prescale, %mm6
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movq scale, %mm7
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*/
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pushl $MASK_565_H
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pushl $MASK_565_L
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movq (%esp), %mm5
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@ -648,11 +566,6 @@ _generic_read_RGBA_span_RGB565_MMX:
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/* Always set the alpha value to 0xff.
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*/
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/* Kevin F. Quinn 2nd July 2006
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* Replace data segment constants with text-segment instructions
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por alpha, %mm0
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por alpha, %mm2
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*/
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por %mm3, %mm0
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por %mm3, %mm2
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@ -665,8 +578,6 @@ _generic_read_RGBA_span_RGB565_MMX:
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movq %mm0, (%edx)
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addl $8, %edx
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pshufw $0xaa, %mm4, %mm0
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pshufw $0xff, %mm4, %mm2
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@ -681,11 +592,6 @@ _generic_read_RGBA_span_RGB565_MMX:
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pmulhuw %mm7, %mm0
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pmulhuw %mm7, %mm2
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/* Kevin F. Quinn 2nd July 2006
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* Replace data segment constants with text-segment instructions
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por alpha, %mm0
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por alpha, %mm2
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*/
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por %mm3, %mm0
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por %mm3, %mm2
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@ -724,11 +630,6 @@ _generic_read_RGBA_span_RGB565_MMX:
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pmulhuw %mm7, %mm0
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pmulhuw %mm7, %mm2
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/* Kevin F. Quinn 2nd July 2006
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* Replace data segment constants with text-segment instructions
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por alpha, %mm0
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por alpha, %mm2
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*/
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por %mm3, %mm0
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por %mm3, %mm2
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@ -757,10 +658,6 @@ _generic_read_RGBA_span_RGB565_MMX:
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#endif
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pmulhuw %mm7, %mm0
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/* Kevin F. Quinn 2nd July 2006
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* Replace data segment constants with text-segment instructions
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por alpha, %mm0
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*/
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por %mm3, %mm0
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packuswb %mm0, %mm0
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