Displaying 4 results from an estimated 4 matches for "pmulhw".
2005 Jul 20
1
MMX IDCT for theora-exp
...n"
+
+#define BeginIDCT "#BeginIDCT\n"\
+ \
+ " movq " I(3)","r2"\n" \
+ \
+ " movq " C(3)","r6"\n" \
+ " movq " r2","r4"\n" \
+ " movq " J(5)","r7"\n" \
+ " pmulhw " r6","r4"\n" \
+ " movq " C(5)","r1"\n" \
+ " pmulhw " r7","r6"\n" \
+ " movq " r1","r5"\n" \
+ " pmulhw " r2","r1"\n" \
+ " movq " I(1)&quo...
2004 Aug 24
5
MMX/mmxext optimisations
quite some speed improvement indeed.
attached the updated patch to apply to svn/trunk.
j
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2010 Aug 02
0
[LLVMdev] Register Allocation ERROR! Ran out of registers during register allocation!
...xmm7
pxor %xmm4, %xmm4
movdqa ($2), %xmm5
pxor %xmm6, %xmm6
psubw ($3), %xmm6
mov $$-128, %eax
.align 1 << 4
1:
movdqa ($1, %eax), %xmm0
movdqa %xmm0, %xmm1
pabsw %xmm0, %xmm0
psubusw %xmm6, %xmm0
pmulhw %xmm5, %xmm0
por %xmm0, %xmm4
psignw %xmm1, %xmm0
movdqa %xmm0, ($5, %eax)
pcmpeqw %xmm7, %xmm0
movdqa ($4, %eax), %xmm1
movdqa %xmm7, ($1, %eax)
pandn %xmm1, %xmm0
pmaxsw %xmm0, %xmm3
add $$16, %eax
js 1b
movh...
2006 May 25
2
Compilation issues with s390
Hi all,
I'm trying to compile asterisk on the mainframe (s390 / s390x) and I am
running into issues. I was wondering if somebody could give a hand?
I'm thinking that I should be able to do this. I have noticed that Debian
even has binary RPM's out for Asterisk now. I'm trying to do this on SuSE
SLES8 (with the 2.4 kernel).
What I see is, an issue that arch=s390 isn't