From 46f1b092ecda5968b19e7d08599d5cd8c67132d6 Mon Sep 17 00:00:00 2001 From: "sgunderson@bigfoot.com" <> Date: Sun, 3 Feb 2008 18:33:05 +0100 Subject: [PATCH] Removed a hard-coded register. --- qscale.c | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-) diff --git a/qscale.c b/qscale.c index 8ceb53e..3bb1b34 100644 --- a/qscale.c +++ b/qscale.c @@ -86,7 +86,7 @@ void hscale(float *pix, unsigned char *npix, unsigned w, unsigned h, unsigned nw size_coeffs <<= 1; coeffs = (float *)realloc(coeffs, size_coeffs * sizeof(float)); } - + coeffs[num_coeffs++] = f; sum += f; } @@ -95,36 +95,38 @@ void hscale(float *pix, unsigned char *npix, unsigned w, unsigned h, unsigned nw coeffs[pd[x].startcoeff + sx - start] /= sum; } } - + for (y = 0; y < h; ++y) { float *sptr = pix + y*sstride; unsigned char *dptr = npix + y*dstride; unsigned char ch; for (x = 0; x < nw; ++x) { float acc; + int tmp; static const float low = 0.0, high = 255.0; asm ( "pxor %0, %0 \n" - "xor %%eax, %%eax \n" + "xor %1, %1 \n" ".lbl2: \n" - "movups (%2,%%eax),%%xmm1 \n" - "movups (%1,%%eax),%%xmm2 \n" + "movups (%3,%1),%%xmm1 \n" + "movups (%2,%1),%%xmm2 \n" "mulps %%xmm2,%%xmm1 \n" "addps %%xmm1,%0 \n" - "addl $16,%%eax \n" - "dec %3 \n" + "addl $16,%1 \n" + "dec %4 \n" "jnz .lbl2 \n" "haddps %0,%0 \n" "haddps %0,%0 \n" - "maxss %4,%0 \n" - "minss %5,%0 \n" - : "=x" (acc) + "maxss %5,%0 \n" + "minss %6,%0 \n" + : "=&x" (acc), + "=&r" (tmp) : "r" (&coeffs[pd[x].startcoeff]), "r" (&sptr[pd[x].start]), "r" ((pd[x].end - pd[x].start + 1)/4), "m" (low), "m" (high) - : "eax", "xmm1", "xmm2" + : "xmm1", "xmm2" ); #if 0 -- 2.39.2