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Code Issues Releases Activity

Use MANGLE() instead of memory operands to read globals.

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(fixes out of registers with apple gcc 4.2)

Originally committed as revision 14022 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Alexander Strange 2008-06-28 18:27:31 +00:00
parent aadd27cdf4
commit 00969e1c59
1 changed files with 10 additions and 10 deletions
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20
libavcodec/i386/flacdsp_mmx.c
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@ -30,12 +30,12 @@ static void apply_welch_window_sse2(const int32_t *data, int len, double *w_data
x86_reg j = n2*sizeof(int32_t);
asm volatile(
"movsd %0, %%xmm7 \n\t"
"movapd %1, %%xmm6 \n\t"
"movapd %2, %%xmm5 \n\t"
"movapd "MANGLE(ff_pd_1)", %%xmm6 \n\t"
"movapd "MANGLE(ff_pd_2)", %%xmm5 \n\t"
"movlhps %%xmm7, %%xmm7 \n\t"
"subpd %%xmm5, %%xmm7 \n\t"
"addsd %%xmm6, %%xmm7 \n\t"
::"m"(c), "m"(*ff_pd_1), "m"(*ff_pd_2)
::"m"(c)
);
#define WELCH(MOVPD, offset)\
asm volatile(\
@ -85,9 +85,9 @@ void ff_flac_compute_autocorr_sse2(const int32_t *data, int len, int lag,
x86_reg i = -len*sizeof(double);
if(j == lag-2) {
asm volatile(
"movsd %6, %%xmm0 \n\t"
"movsd %6, %%xmm1 \n\t"
"movsd %6, %%xmm2 \n\t"
"movsd "MANGLE(ff_pd_1)", %%xmm0 \n\t"
"movsd "MANGLE(ff_pd_1)", %%xmm1 \n\t"
"movsd "MANGLE(ff_pd_1)", %%xmm2 \n\t"
"1: \n\t"
"movapd (%4,%0), %%xmm3 \n\t"
"movupd -8(%5,%0), %%xmm4 \n\t"
@ -110,12 +110,12 @@ void ff_flac_compute_autocorr_sse2(const int32_t *data, int len, int lag,
"movsd %%xmm1, %2 \n\t"
"movsd %%xmm2, %3 \n\t"
:"+&r"(i), "=m"(autoc[j]), "=m"(autoc[j+1]), "=m"(autoc[j+2])
:"r"(data1+len), "r"(data1+len-j), "m"(*ff_pd_1)
:"r"(data1+len), "r"(data1+len-j)
);
} else {
asm volatile(
"movsd %5, %%xmm0 \n\t"
"movsd %5, %%xmm1 \n\t"
"movsd "MANGLE(ff_pd_1)", %%xmm0 \n\t"
"movsd "MANGLE(ff_pd_1)", %%xmm1 \n\t"
"1: \n\t"
"movapd (%3,%0), %%xmm3 \n\t"
"movupd -8(%4,%0), %%xmm4 \n\t"
@ -132,7 +132,7 @@ void ff_flac_compute_autocorr_sse2(const int32_t *data, int len, int lag,
"movsd %%xmm0, %1 \n\t"
"movsd %%xmm1, %2 \n\t"
:"+&r"(i), "=m"(autoc[j]), "=m"(autoc[j+1])
:"r"(data1+len), "r"(data1+len-j), "m"(*ff_pd_1)
:"r"(data1+len), "r"(data1+len-j)
);
}
}