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Bug 1260112 - GFX: 2D: Fix unaligned access in ConvolveVertically/Horizontally_LS3. r=huangwenjun06

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---
 gfx/2d/convolverLS3.cpp | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)
This commit is contained in:
Heiher 2016-04-05 11:03:28 +08:00
parent 0746148760
commit 57e0bc7abd
1 changed files with 14 additions and 8 deletions
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22
gfx/2d/convolverLS3.cpp
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@ -99,7 +99,8 @@ void ConvolveHorizontally_LS3(const unsigned char* src_data,
".set arch=loongson3a \n\t"
// Load 4 coefficients => duplicate 1st and 2nd of them for all channels.
// [16] xx xx xx xx c3 c2 c1 c0
"ldc1 %[coeffl], (%[fval]) \n\t"
"gsldlc1 %[coeffl], 7(%[fval]) \n\t"
"gsldrc1 %[coeffl], (%[fval]) \n\t"
"xor %[coeffh], %[coeffh], %[coeffh] \n\t"
// [16] xx xx xx xx c1 c1 c0 c0
_mm_pshuflh(coeff16, coeff, shuf_50)
@ -170,7 +171,8 @@ void ConvolveHorizontally_LS3(const unsigned char* src_data,
asm volatile (
".set push \n\t"
".set arch=loongson3a \n\t"
"ldc1 %[coeffl], (%[fval]) \n\t"
"gsldlc1 %[coeffl], 7(%[fval]) \n\t"
"gsldrc1 %[coeffl], (%[fval]) \n\t"
"xor %[coeffh], %[coeffh], %[coeffh] \n\t"
// Mask out extra filter taps.
"and %[coeffl], %[coeffl], %[mask] \n\t"
@ -305,7 +307,8 @@ void ConvolveHorizontally4_LS3(const unsigned char* src_data[4],
".set push \n\t"
".set arch=loongson3a \n\t"
// [16] xx xx xx xx c3 c2 c1 c0
"ldc1 %[coeffl], (%[fval]) \n\t"
"gsldlc1 %[coeffl], 7(%[fval]) \n\t"
"gsldrc1 %[coeffl], (%[fval]) \n\t"
"xor %[coeffh], %[coeffh], %[coeffh] \n\t"
// [16] xx xx xx xx c1 c1 c0 c0
_mm_pshuflh(coeff16lo, coeff, shuf_50)
@ -374,7 +377,8 @@ void ConvolveHorizontally4_LS3(const unsigned char* src_data[4],
asm volatile (
".set push \n\t"
".set arch=loongson3a \n\t"
"ldc1 %[coeffl], (%[fval]) \n\t"
"gsldlc1 %[coeffl], 7(%[fval]) \n\t"
"gsldrc1 %[coeffl], (%[fval]) \n\t"
"xor %[coeffh], %[coeffh], %[coeffh] \n\t"
// Mask out extra filter taps.
"and %[coeffl], %[coeffl], %[mask] \n\t"
@ -500,7 +504,8 @@ void ConvolveVertically_LS3_impl(const ConvolutionFilter1D::Fixed* filter_values
".set arch=loongson3a \n\t"
// Duplicate the filter coefficient 8 times.
// [16] cj cj cj cj cj cj cj cj
"mtc1 %[fval], %[coeff16l] \n\t"
"gsldlc1 %[coeff16l], 7+%[fval] \n\t"
"gsldrc1 %[coeff16l], %[fval] \n\t"
"pshufh %[coeff16l], %[coeff16l], %[zerol] \n\t"
"mov.d %[coeff16h], %[coeff16l] \n\t"
// Load four pixels (16 bytes) together.
@ -537,7 +542,7 @@ void ConvolveVertically_LS3_impl(const ConvolutionFilter1D::Fixed* filter_values
[accum1h]"+f"(accum1h), [accum1l]"+f"(accum1l),
[coeff16h]"=&f"(coeff16h), [coeff16l]"=&f"(coeff16l)
:[zeroh]"f"(zero), [zerol]"f"(zero),
[fval]"r"(filter_values[filter_y]),
[fval]"m"(filter_values[filter_y]),
[src]"r"(src)
);
@ -675,7 +680,8 @@ void ConvolveVertically_LS3_impl(const ConvolutionFilter1D::Fixed* filter_values
asm volatile (
".set push \n\t"
".set arch=loongson3a \n\t"
"mtc1 %[fval], %[coeff16l] \n\t"
"gsldlc1 %[coeff16l], 7+%[fval] \n\t"
"gsldrc1 %[coeff16l], %[fval] \n\t"
"pshufh %[coeff16l], %[coeff16l], %[zerol] \n\t"
"mov.d %[coeff16h], %[coeff16l] \n\t"
// [8] a3 b3 g3 r3 a2 b2 g2 r2 a1 b1 g1 r1 a0 b0 g0 r0
@ -711,7 +717,7 @@ void ConvolveVertically_LS3_impl(const ConvolutionFilter1D::Fixed* filter_values
[accum2h]"+f"(accum2h), [accum2l]"+f"(accum2l),
[coeff16h]"=&f"(coeff16h), [coeff16l]"=&f"(coeff16l)
:[zeroh]"f"(zero), [zerol]"f"(zero),
[fval]"r"(filter_values[filter_y]),
[fval]"m"(filter_values[filter_y]),
[src]"r"(src)
);
}