---
src/gallium/drivers/swr/rasterizer/core/frontend.h | 32 ++++++++++++++--------
1 file changed, 20 insertions(+), 12 deletions(-)
diff --git a/src/gallium/drivers/swr/rasterizer/core/frontend.h
b/src/gallium/drivers/swr/rasterizer/core/frontend.h
index a2ce3a1..0a2a23d 100644
--- a/src/gallium/drivers/swr/rasterizer/core/frontend.h
+++ b/src/gallium/drivers/swr/rasterizer/core/frontend.h
@@ -189,28 +189,36 @@ void calcDeterminantIntVertical(const simd16scalari
vA[3], const simd16scalari v
// refer to calcDeterminantInt comment for calculation explanation
// A1*B2
- simd16scalari vA1_lo = _simd16_cvtepu32_epi64(_simd16_extract_si(vA[1],
0));// 0 1 2 3 4 5 6 7 (64b), upper 32b zero, lower 32b used
- simd16scalari vA1_hi = _simd16_cvtepu32_epi64(_simd16_extract_si(vA[1],
1));// 8 9 A B C D E F (64b), upper 32b zero, lower 32b used
+ simd16scalari vA1_lo = _simd16_unpacklo_epi32(vA[1], vA[1]);
// X 0 X 1 X 4 X 5 X 8 X 9 X C X D (32b)
+ simd16scalari vA1_hi = _simd16_unpackhi_epi32(vA[1], vA[1]);
// X 2 X 3 X 6 X 7 X A X B X E X F
- simd16scalari vB2_lo = _simd16_cvtepu32_epi64(_simd16_extract_si(vB[2],
0));// 0 1 2 3 4 5 6 7 (64b), upper 32b zero, lower 32b used
- simd16scalari vB2_hi = _simd16_cvtepu32_epi64(_simd16_extract_si(vB[2],
1));// 8 9 A B C D E F (64b), upper 32b zero, lower 32b used
+ simd16scalari vB2_lo = _simd16_unpacklo_epi32(vB[2], vB[2]);
+ simd16scalari vB2_hi = _simd16_unpackhi_epi32(vB[2], vB[2]);
- simd16scalari vA1B2_lo = _simd16_mul_epi32(vA1_lo, vB2_lo);
// 0 1 2 3 4 5 6 7 (64b)
- simd16scalari vA1B2_hi = _simd16_mul_epi32(vA1_hi, vB2_hi);
// 8 9 A B C D E F (64b)
+ simd16scalari vA1B2_lo = _simd16_mul_epi32(vA1_lo, vB2_lo);
// 0 1 4 5 8 9 C D (64b)
+ simd16scalari vA1B2_hi = _simd16_mul_epi32(vA1_hi, vB2_hi);
// 2 3 6 7 A B E F
// B1*A2
- simd16scalari vA2_lo = _simd16_cvtepu32_epi64(_simd16_extract_si(vA[2],
0));
- simd16scalari vA2_hi = _simd16_cvtepu32_epi64(_simd16_extract_si(vA[2],
1));
+ simd16scalari vA2_lo = _simd16_unpacklo_epi32(vA[2], vA[2]);
+ simd16scalari vA2_hi = _simd16_unpackhi_epi32(vA[2], vA[2]);
- simd16scalari vB1_lo = _simd16_cvtepu32_epi64(_simd16_extract_si(vB[1],
0));
- simd16scalari vB1_hi = _simd16_cvtepu32_epi64(_simd16_extract_si(vB[1],
1));
+ simd16scalari vB1_lo = _simd16_unpacklo_epi32(vB[1], vB[1]);
+ simd16scalari vB1_hi = _simd16_unpackhi_epi32(vB[1], vB[1]);
simd16scalari vA2B1_lo = _simd16_mul_epi32(vA2_lo, vB1_lo);
simd16scalari vA2B1_hi = _simd16_mul_epi32(vA2_hi, vB1_hi);
// A1*B2 - A2*B1
- pvDet[0] = _simd16_sub_epi64(vA1B2_lo, vA2B1_lo);
// 0 1 2 3 4 5 6 7 (64b)
- pvDet[1] = _simd16_sub_epi64(vA1B2_hi, vA2B1_hi);
// 8 9 A B C D E F (64b)
+ simd16scalari difflo = _simd16_sub_epi64(vA1B2_lo, vA2B1_lo);
// 0 1 4 5 8 9 C D (64b)
+ simd16scalari diffhi = _simd16_sub_epi64(vA1B2_hi, vA2B1_hi);
// 2 3 6 7 A B E F
+
+ // (1, 0, 1, 0) = 01 00 01 00 = 0x44, (3, 2, 3, 2) = 11 10 11 10 = 0xEE
+ simd16scalari templo = _simd16_permute2f128_si(difflo, diffhi, 0x44);
// 0 1 4 5 2 3 6 7 (64b)
+ simd16scalari temphi = _simd16_permute2f128_si(difflo, diffhi, 0xEE);
// 8 9 C D A B E F
+
+ // (3, 1, 2, 0) = 11 01 10 00 = 0xD8
+ pvDet[0] = _simd16_permute2f128_si(templo, templo, 0xD8);
// 0 1 2 3 4 5 6 7 (64b)
+ pvDet[1] = _simd16_permute2f128_si(temphi, temphi, 0xD8);
// 8 9 A B C D E F
}
#endif
--
2.7.4
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