search for: msqa

Displaying 3 results from an estimated 3 matches for "msqa".

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2005 Dec 02
0
run time assembler patch for altivec, sse + bug fixes
.... */ #ifdef _USE_ALTIVEC #include "ltp_altivec.h" spx_word32_t inner_prod_altivec(const float *a, const float *b, int len) { int i; float sum; int a_aligned = (((unsigned long)a) & 15) ? 0 : 1; int b_aligned = (((unsigned long)b) & 15) ? 0 : 1; __vector float MSQa, LSQa, MSQb, LSQb; __vector unsigned char maska, maskb; __vector float vec_a, vec_b; __vector float vec_result; vec_result = (__vector float)vec_splat_u8(0); if ((!a_aligned) && (!b_aligned)) { // This (unfortunately) is the common case. maska = vec...
2004 Aug 06
2
[PATCH] Make SSE Run Time option. Add Win32 SSE code
Jean-Marc, >I'm still not sure I get it. On an Athlon XP, I can do something like >"mulps xmm0, xmm1", which means that the xmm registers are indeed >supported. Besides, without the xmm registers, you can't use much of >SSE. In the Atholon XP 2400+ that we have in our QA lab (Win2000 ) if you run that code it generates an Illegal Instruction Error. In addition,
2004 Aug 06
6
[PATCH] Make SSE Run Time option.
...oat *b, int len) { if (!(global_use_mmx_sse & CPU_MODE_ALTIVEC )) { #ifdef _USE_ALTIVEC int i; float sum; int a_aligned = (((unsigned long)a) & 15) ? 0 : 1; int b_aligned = (((unsigned long)b) & 15) ? 0 : 1; __vector float MSQa, LSQa, MSQb, LSQb; __vector unsigned char maska, maskb; __vector float vec_a, vec_b; __vector float vec_result; vec_result = (__vector float)vec_splat_u8(0); if ((!a_aligned) && (!b_aligned)) { // This (unfortunately) is the common...