[FFmpeg-devel] [PATCH 05/12] mips/sbrdsp: remove sbr_neg_odd_64_mips
James Cowgill
james410 at cowgill.org.uk
Thu Feb 26 14:42:46 CET 2015
The optimized C version of this code actually runs faster than this
version, so remove it.
Signed-off-by: James Cowgill <james410 at cowgill.org.uk>
---
libavcodec/mips/sbrdsp_mips.c | 34 ----------------------------------
1 file changed, 34 deletions(-)
diff --git a/libavcodec/mips/sbrdsp_mips.c b/libavcodec/mips/sbrdsp_mips.c
index d4460ba..c76e709 100644
--- a/libavcodec/mips/sbrdsp_mips.c
+++ b/libavcodec/mips/sbrdsp_mips.c
@@ -58,39 +58,6 @@
#include "libavcodec/sbrdsp.h"
#if HAVE_INLINE_ASM
-static void sbr_neg_odd_64_mips(float *x)
-{
- int Temp1, Temp2, Temp3, Temp4, Temp5;
- float *x1 = &x[1];
- float *x_end = x1 + 64;
-
- /* loop unrolled 4 times */
- __asm__ volatile (
- "lui %[Temp5], 0x8000 \n\t"
- "1: \n\t"
- "lw %[Temp1], 0(%[x1]) \n\t"
- "lw %[Temp2], 8(%[x1]) \n\t"
- "lw %[Temp3], 16(%[x1]) \n\t"
- "lw %[Temp4], 24(%[x1]) \n\t"
- "xor %[Temp1], %[Temp1], %[Temp5] \n\t"
- "xor %[Temp2], %[Temp2], %[Temp5] \n\t"
- "xor %[Temp3], %[Temp3], %[Temp5] \n\t"
- "xor %[Temp4], %[Temp4], %[Temp5] \n\t"
- "sw %[Temp1], 0(%[x1]) \n\t"
- "sw %[Temp2], 8(%[x1]) \n\t"
- "sw %[Temp3], 16(%[x1]) \n\t"
- "sw %[Temp4], 24(%[x1]) \n\t"
- "addiu %[x1], %[x1], 32 \n\t"
- "bne %[x1], %[x_end], 1b \n\t"
-
- : [Temp1]"=&r"(Temp1), [Temp2]"=&r"(Temp2),
- [Temp3]"=&r"(Temp3), [Temp4]"=&r"(Temp4),
- [Temp5]"=&r"(Temp5), [x1]"+r"(x1)
- : [x_end]"r"(x_end)
- : "memory"
- );
-}
-
static void sbr_qmf_pre_shuffle_mips(float *z)
{
int Temp1, Temp2, Temp3, Temp4, Temp5, Temp6;
@@ -920,7 +887,6 @@ static void sbr_hf_apply_noise_3_mips(float (*Y)[2], const float *s_m,
void ff_sbrdsp_init_mips(SBRDSPContext *s)
{
#if HAVE_INLINE_ASM
- s->neg_odd_64 = sbr_neg_odd_64_mips;
s->qmf_pre_shuffle = sbr_qmf_pre_shuffle_mips;
s->qmf_post_shuffle = sbr_qmf_post_shuffle_mips;
#if HAVE_MIPSFPU
--
2.1.4
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