---
pixman/loongson-mmintrin.h | 43 +++++++++++++++++++++++++++++++++++++++++++
1 files changed, 43 insertions(+), 0 deletions(-)
diff --git a/pixman/loongson-mmintrin.h b/pixman/loongson-mmintrin.h
index f0931ac..086c6e0 100644
--- a/pixman/loongson-mmintrin.h
+++ b/pixman/loongson-mmintrin.h
@@ -182,9 +182,34 @@ _mm_packs_pi32 (__m64 __m1, __m64 __m2)
return ret;
}
+#define _MM_SHUFFLE(fp3,fp2,fp1,fp0) \
+ (((fp3) << 6) | ((fp2) << 4) | ((fp1) << 2) | (fp0))
extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__,
__artificial__))
_mm_set_pi16 (uint16_t __w3, uint16_t __w2, uint16_t __w1, uint16_t __w0)
{
+ if (__builtin_constant_p (__w3) &&
+ __builtin_constant_p (__w2) &&
+ __builtin_constant_p (__w1) &&
+ __builtin_constant_p (__w0))
+ {
+ uint64_t val = ((uint64_t)__w3 << 48)
+ | ((uint64_t)__w2 << 32)
+ | ((uint64_t)__w1 << 16)
+ | ((uint64_t)__w0 << 0);
+ return *(__m64 *)&val;
+ }
+ else if (__w3 == __w2 && __w2 == __w1 && __w1 == __w0)
+ {
+ /* TODO: handle other cases */
+ uint64_t val = __w3;
+ uint64_t imm = _MM_SHUFFLE (0, 0, 0, 0);
+ __m64 ret;
+ asm("pshufh %0, %1, %2\n\t"
+ : "=f" (ret)
+ : "f" (*(__m64 *)&val), "f" (*(__m64 *)&imm)
+ );
+ return ret;
+ }
uint64_t val = ((uint64_t)__w3 << 48)
| ((uint64_t)__w2 << 32)
| ((uint64_t)__w1 << 16)
@@ -195,10 +220,28 @@ _mm_set_pi16 (uint16_t __w3, uint16_t __w2, uint16_t
__w1, uint16_t __w0)
extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__,
__artificial__))
_mm_set_pi32 (unsigned __i1, unsigned __i0)
{
+ if (__builtin_constant_p (__i1) &&
+ __builtin_constant_p (__i0))
+ {
+ uint64_t val = ((uint64_t)__i1 << 32)
+ | ((uint64_t)__i0 << 0);
+ return *(__m64 *)&val;
+ }
+ else if (__i1 == __i0)
+ {
+ uint64_t imm = _MM_SHUFFLE (1, 0, 1, 0);
+ __m64 ret;
+ asm("pshufh %0, %1, %2\n\t"
+ : "=f" (ret)
+ : "f" (*(__m32 *)&__i1), "f" (*(__m64 *)&imm)
+ );
+ return ret;
+ }
uint64_t val = ((uint64_t)__i1 << 32)
| ((uint64_t)__i0 << 0);
return *(__m64 *)&val;
}
+#undef _MM_SHUFFLE
extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__,
__artificial__))
_mm_shuffle_pi16 (__m64 __m, int64_t __n)
--
1.7.3.4
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