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Some improvements to 90 degree rotated neon. 

SVN revision: 50476
This commit is contained in:
Brett Nash 2010-07-24 04:52:13 +00:00
parent 68682317e8
commit a834d2e85f
1 changed files with 78 additions and 33 deletions
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111
legacy/evas/src/lib/engines/common/evas_convert_rgb_32.c
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@ -90,46 +90,91 @@ evas_common_convert_rgba_to_32bpp_rgb_8888_rot_90 (DATA32 *src, DATA8 *dst, int
CONVERT_LOOP_END_ROT_90();
#else
if ((w & 1) || (h & 1))
{
/* Rarely (if ever) if ever: so slow path is fine */
DATA32 *src_ptr;
DATA32 *dst_ptr;
int x, y;
dst_ptr = (DATA32 *)dst;
CONVERT_LOOP_START_ROT_90();
*dst_ptr = *src_ptr;
CONVERT_LOOP_END_ROT_90();
} else {
#define AP "convert_rgba32_rot_90_"
asm volatile (
AP"outer: \n\t"
// Set up src
" sub %[s1], %[src], %[y],lsl #2 \n\t"
" sub %[s2], %[src2], %[y],lsl #2 \n\t"
asm volatile (
" mov %[s1], %[src] \n\t"
" add %[s1], %[h],lsl #2 \n\t"
" sub %[s1], #8 \n\t"
" mov %[s2], %[src] \n\t"
" add %[s2], %[h], lsl #3 \n\t"
" add %[s2], %[sjmp], lsr #1 \n\t"
" sub %[s2], #8 \n\t"
" mov %[d1], %[dst] \n\t"
" add %[d2], %[d1], %[djmp] \n\t"
" add %[d2], %[w], lsl #2 \n\t"
" mov %[sadv], %[h], lsl #3 \n\t"
" add %[sadv], %[sjmp], lsl #1 \n\t"
" mov %[y], #0 \n\t"
" mov %[x], #0 \n\t"
AP"loop: \n\t"
" vld1.u32 d0, [%[s1]] \n\t"
" vld1.u32 d1, [%[s2]] \n\t"
" add %[x], #2 \n\t"
" add %[s1], %[sadv] \n\t"
" add %[s2], %[sadv] \n\t"
" vtrn.u32 d0, d1 \n\t"
" cmp %[x], %[w] \n\t"
" vst1.u32 d1, [%[d1]]! \n\t"
" vst1.u32 d0, [%[d2]]! \n\t"
" blt "AP"loop \n\t"
" mov %[x], #0 \n\t"
" add %[d1], %[djmp] \n\t"
" add %[d1], %[w], lsl #2 \n\t"
" add %[d2], %[djmp] \n\t"
" add %[d2], %[w], lsl #2 \n\t"
" mov %[s1], %[src] \n\t"
" add %[s1], %[h], lsl #2 \n\t"
" sub %[s1], %[y], lsl #2 \n\t"
" sub %[s1], #8 \n\t"
" add %[s2], %[s1], %[h], lsl #2 \n\t"
" add %[s2], %[sjmp], lsl #2 \n\t"
" add %[y], #2 \n\t"
" add %[x], %[d1], %[w], lsl #2 \n\t"
AP"inner: \n\t"
" vldm %[s1], {d0} \n\t"
" vldm %[s2], {d1} \n\t"
" vtrn.u32 d1,d0 \n\t"
" vstm %[d1]!, {d0} \n\t"
" vstm %[d2]!, {d1} \n\t"
" add %[s1], %[sadv] \n\t"
" add %[s2], %[sadv] \n\t"
" cmp %[x], %[d1] \n\t"
" bhi "AP"inner \n\t"
" add %[d1], %[djump] \n\t"
" add %[d2], %[djump] \n\t"
" cmp %[y], %[h] \n\t"
" blt "AP"outer \n\t"
" blt "AP"loop \n\t"
: // Out
: [s1] "r" (src),
[s2] "r" (src + (h + src_jump) * 4),
[d1] "r" (dst),
[d2] "r" ((DATA32*)dst + w + dst_jump),
[sadv] "r" ((h + 2 * src_jump) * 8),
[src] "r" ((DATA32*)src + (h - 1)- 1),
[src2] "r" ((DATA32*)src + (h - 1)- 2),
[djump] "r" ((w + 2 * dst_jump) * 4),
[x] "r" (7),
[y] "r" (0),
: [s1] "r" (1),
[s2] "r" (11),
[d1] "r" (2),
[d2] "r" (12),
[src] "r" (src),
[dst] "r" (dst),
[x] "r" (3),
[y] "r" (4),
[w] "r" (w),
[h] "r" (h)
: "q0", "q1", "memory", "cc"// Clober
);
[h] "r" (h),
[sadv] "r" (5),
[sjmp] "r" (src_jump * 4),
[djmp] "r" (dst_jump * 4 * 2)
: "d0", "d1", "memory", "cc"// Clober
);
}
#undef AP
#endif
return;