From 15f4e3a8b98b5f4ca2833c02192ed9e6c237c5c7 Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Tue, 12 Oct 2010 18:58:05 +0100 Subject: gallium: move some intrinsics helpers to u_sse.h --- src/gallium/drivers/llvmpipe/lp_rast_tri.c | 58 ------------------------------ 1 file changed, 58 deletions(-) (limited to 'src/gallium/drivers/llvmpipe') diff --git a/src/gallium/drivers/llvmpipe/lp_rast_tri.c b/src/gallium/drivers/llvmpipe/lp_rast_tri.c index 5bdf19712f..659eb1cac3 100644 --- a/src/gallium/drivers/llvmpipe/lp_rast_tri.c +++ b/src/gallium/drivers/llvmpipe/lp_rast_tri.c @@ -240,68 +240,10 @@ sign_bits4(const __m128i *cstep, int cdiff) } -static INLINE void -transpose4_epi32(const __m128i * restrict a, - const __m128i * restrict b, - const __m128i * restrict c, - const __m128i * restrict d, - __m128i * restrict o, - __m128i * restrict p, - __m128i * restrict q, - __m128i * restrict r) -{ - __m128i t0 = _mm_unpacklo_epi32(*a, *b); - __m128i t1 = _mm_unpacklo_epi32(*c, *d); - __m128i t2 = _mm_unpackhi_epi32(*a, *b); - __m128i t3 = _mm_unpackhi_epi32(*c, *d); - - *o = _mm_unpacklo_epi64(t0, t1); - *p = _mm_unpackhi_epi64(t0, t1); - *q = _mm_unpacklo_epi64(t2, t3); - *r = _mm_unpackhi_epi64(t2, t3); -} - - -#define SCALAR_EPI32(m, i) _mm_shuffle_epi32((m), _MM_SHUFFLE(i,i,i,i)) - #define NR_PLANES 3 -/* Provide an SSE2 implementation of _mm_mullo_epi32() in terms of - * _mm_mul_epu32(). - * - * I suspect this works fine for us because one of our operands is - * always positive, but not sure that this can be used for general - * signed integer multiplication. - * - * This seems close enough to the speed of SSE4 and the real - * _mm_mullo_epi32() intrinsic as to not justify adding an sse4 - * dependency at this point. - */ -static INLINE __m128i mm_mullo_epi32(const __m128i a, const __m128i b) -{ - __m128i a4 = _mm_srli_epi64(a, 32); /* shift by one dword */ - __m128i b4 = _mm_srli_epi64(b, 32); /* shift by one dword */ - __m128i ba = _mm_mul_epu32(b, a); /* multply dwords 0, 2 */ - __m128i b4a4 = _mm_mul_epu32(b4, a4); /* multiply dwords 1, 3 */ - - /* Interleave the results, either with shuffles or (slightly - * faster) direct bit operations: - */ -#if 0 - __m128i ba8 = _mm_shuffle_epi32(ba, 8); - __m128i b4a48 = _mm_shuffle_epi32(b4a4, 8); - __m128i result = _mm_unpacklo_epi32(ba8, b4a48); -#else - __m128i mask = _mm_setr_epi32(~0,0,~0,0); - __m128i ba_mask = _mm_and_si128(ba, mask); - __m128i b4a4_mask_shift = _mm_slli_epi64(b4a4, 32); - __m128i result = _mm_or_si128(ba_mask, b4a4_mask_shift); -#endif - - return result; -} -- cgit v1.2.3