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a46dd1ab7a
on powerpc64. Tested also on amd64. Hardware sponsored by IntegriCloud. PR: ports/235560 Submitted by: Piotr Kubaj <pkubaj@anongoth.pl>
42 lines
1.6 KiB
C
42 lines
1.6 KiB
C
--- viterbi27_av.c.orig 2019-02-05 19:34:45 UTC
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+++ viterbi27_av.c
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@@ -1,6 +1,7 @@
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/* K=7 r=1/2 Viterbi decoder for PowerPC G4/G5 Altivec instructions
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* Feb 2004, Phil Karn, KA9Q
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*/
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+#include <altivec.h>
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#include <stdio.h>
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#include <memory.h>
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#include <stdlib.h>
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@@ -31,7 +32,7 @@ int init_viterbi27_av(void *p,int starting_state){
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if(p == NULL)
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return -1;
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for(i=0;i<4;i++)
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- vp->metrics1.v[i] = (vector unsigned char)(63);
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+ vp->metrics1.v[i] = (vector unsigned char){63};
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vp->old_metrics = &vp->metrics1;
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vp->new_metrics = &vp->metrics2;
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vp->dp = vp->decisions;
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@@ -134,8 +135,8 @@ int update_viterbi27_blk_av(void *p,unsigned char *sym
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/* Form first set of 16 branch metrics */
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metric = vec_avg(vec_xor(Branchtab27[0].v[0],sym0v),vec_xor(Branchtab27[1].v[0],sym1v));
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- metric = vec_sr(metric,(vector unsigned char)(3));
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- m_metric = vec_sub((vector unsigned char)(31),metric);
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+ metric = vec_sr(metric,(vector unsigned char){3});
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+ m_metric = vec_sub((vector unsigned char){31},metric);
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/* Form first set of path metrics */
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m0 = vec_adds(vp->old_metrics->v[0],metric);
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@@ -145,8 +146,8 @@ int update_viterbi27_blk_av(void *p,unsigned char *sym
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/* Form second set of 16 branch metrics */
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metric = vec_avg(vec_xor(Branchtab27[0].v[1],sym0v),vec_xor(Branchtab27[1].v[1],sym1v));
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- metric = vec_sr(metric,(vector unsigned char)(3));
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- m_metric = vec_sub((vector unsigned char)(31),metric);
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+ metric = vec_sr(metric,(vector unsigned char){3});
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+ m_metric = vec_sub((vector unsigned char){31},metric);
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/* Compare and select first set */
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decision0 = vec_cmpgt(m0,m1);
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