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Wed Mar 22 16:05:09 2006 Søren Sandmann <sandmann@redhat.com> 

Use inline assembly for solid fills, since gcc doesn't use the movq
    instructions.
This commit is contained in:
Søren Sandmann Pedersen 2006-03-22 21:13:08 +00:00
parent a08e5e0c68
commit 5b3084c64f
2 changed files with 34 additions and 9 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Wed Mar 22 16:05:09 2006 Søren Sandmann <sandmann@redhat.com>
* fb/fbmmx.c (fbSolidFillmmx): Use inline assembly for solid
fills, since gcc doesn't use the movq instructions.
Wed Mar 22 13:42:44 2006 Søren Sandmann <sandmann@redhat.com> Wed Mar 22 13:42:44 2006 Søren Sandmann <sandmann@redhat.com>
* mi/mivaltree.c (miComputeClips): Patch by Keith Packard to make * mi/mivaltree.c (miComputeClips): Patch by Keith Packard to make

36
fb/fbmmx.c
View File

@ -2050,6 +2050,7 @@ fbSolidFillmmx (DrawablePtr pDraw,
CARD8 *byte_line; CARD8 *byte_line;
FbBits *bits; FbBits *bits;
int xoff, yoff; int xoff, yoff;
__m64 v1, v2, v3, v4, v5, v6, v7;
CHECKPOINT(); CHECKPOINT();
@ -2079,6 +2080,18 @@ fbSolidFillmmx (DrawablePtr pDraw,
fill = ((ullong)xor << 32) | xor; fill = ((ullong)xor << 32) | xor;
vfill = (__m64)fill; vfill = (__m64)fill;
__asm__ (
"movq %7, %0\n"
"movq %7, %1\n"
"movq %7, %2\n"
"movq %7, %3\n"
"movq %7, %4\n"
"movq %7, %5\n"
"movq %7, %6\n"
: "=y" (v1), "=y" (v2), "=y" (v3),
"=y" (v4), "=y" (v5), "=y" (v6), "=y" (v7)
: "y" (vfill));
while (height--) while (height--)
{ {
int w; int w;
@ -2103,18 +2116,25 @@ fbSolidFillmmx (DrawablePtr pDraw,
while (w >= 64) while (w >= 64)
{ {
*(__m64*) (d + 0) = vfill; __asm__ (
*(__m64*) (d + 8) = vfill; "movq %1, (%0)\n"
*(__m64*) (d + 16) = vfill; "movq %2, 8(%0)\n"
*(__m64*) (d + 24) = vfill; "movq %3, 16(%0)\n"
*(__m64*) (d + 32) = vfill; "movq %4, 24(%0)\n"
*(__m64*) (d + 40) = vfill; "movq %5, 32(%0)\n"
*(__m64*) (d + 48) = vfill; "movq %6, 40(%0)\n"
*(__m64*) (d + 56) = vfill; "movq %7, 48(%0)\n"
"movq %8, 56(%0)\n"
:
: "r" (d),
"y" (vfill), "y" (v1), "y" (v2), "y" (v3),
"y" (v4), "y" (v5), "y" (v6), "y" (v7)
: "memory");
w -= 64; w -= 64;
d += 64; d += 64;
} }
while (w >= 4) while (w >= 4)
{ {
*(CARD32 *)d = xor; *(CARD32 *)d = xor;