diff options
| author | Matt Turner <mattst88@gmail.com> | 2012-04-17 12:16:55 -0400 |
|---|---|---|
| committer | Matt Turner <mattst88@gmail.com> | 2012-04-27 13:42:07 -0400 |
| commit | c136e535adf33069cbf229b8773934d78099af85 (patch) | |
| tree | 5905446c33570a8cecab8c828a5461c6cc71000c | |
| parent | facceb4a1fbba476ad98e76d15868bf7eecd3a30 (diff) | |
mmx: Use Loongson pextrh instruction in expand565
Same story as pinsrh in the previous commit.
text data bss dec hex filename
25336 1952 0 27288 6a98 .libs/libpixman_loongson_mmi_la-pixman-mmx.o
25072 1952 0 27024 6990 .libs/libpixman_loongson_mmi_la-pixman-mmx.o
-dsll: 95
+dsll: 70
-dsrl: 135
+dsrl: 105
-ldc1: 462
+ldc1: 445
-lw: 721
+lw: 700
+pextrh: 30
| -rw-r--r-- | pixman/loongson-mmintrin.h | 11 | ||||
| -rw-r--r-- | pixman/pixman-mmx.c | 4 |
2 files changed, 15 insertions, 0 deletions
diff --git a/pixman/loongson-mmintrin.h b/pixman/loongson-mmintrin.h index 1c74ed8a..508366c4 100644 --- a/pixman/loongson-mmintrin.h +++ b/pixman/loongson-mmintrin.h @@ -218,6 +218,17 @@ _mm_xor_si64 (__m64 __m1, __m64 __m2) } extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) +loongson_extract_pi16 (__m64 __m, int64_t __pos) +{ + __m64 ret; + asm("pextrh %0, %1, %2\n\t" + : "=f" (ret) + : "f" (__m), "f" (*(__m64 *)&__pos) + ); + return ret; +} + +extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) loongson_insert_pi16 (__m64 __m1, __m64 __m2, int64_t __pos) { __m64 ret; diff --git a/pixman/pixman-mmx.c b/pixman/pixman-mmx.c index 7aa40195..d5d34ac0 100644 --- a/pixman/pixman-mmx.c +++ b/pixman/pixman-mmx.c @@ -493,7 +493,11 @@ expand565 (__m64 pixel, int pos) __m64 t1, t2; /* move pixel to low 16 bit and zero the rest */ +#ifdef USE_LOONGSON_MMI + p = loongson_extract_pi16 (p, pos); +#else p = shift (shift (p, (3 - pos) * 16), -48); +#endif t1 = shift (p, 36 - 11); t2 = shift (p, 16 - 5); |