X-Git-Url: https://git.wh0rd.org/?p=ICEs.git;a=blobdiff_plain;f=287391%2Fsvolume_mmx.i.4;fp=287391%2Fsvolume_mmx.i.4;h=08c8465cf9806aafea62b929aeed6d9d63c9bc61;hp=0000000000000000000000000000000000000000;hb=81f80d8c1c9898ae1c26534a3287a47220390f5c;hpb=45516216fc552c838e650d868214d867027a64f6

diff --git a/287391/svolume_mmx.i.4 b/287391/svolume_mmx.i.4
new file mode 100644
index 0000000..08c8465
--- /dev/null
+++ b/287391/svolume_mmx.i.4
@@ -0,0 +1,75 @@
+f(short *samples, int *volumes, unsigned channels,
+			 unsigned length)
+{
+	long channel, temp;
+	asm volatile(" xor %3, %3\n"
+			     "2:\n"
+			     " sar $1, %2\n"
+			     " test $1, %2\n"
+			     " je 4f\n"
+			     "3:\n"
+			     " movq (%1, %3, 4), %%mm0\n"
+			     " movd (%0), %%mm1\n"
+			     " pxor  %%mm4, %%mm4\n"
+			     " punpcklwd %%mm4,  %%mm1\n"
+			     " pcmpgtw  %%mm0, %%mm4\n"
+			     " pand  %%mm1, %%mm4\n"
+			     " movq  %%mm1, %%mm5\n"
+			     " pmulhw  %%mm0,  %%mm1\n"
+			     " paddw %%mm4,  %%mm1\n"
+			     " psrld $16,  %%mm0\n"
+			     " pmaddwd %%mm5,  %%mm0\n"
+			     " paddd  %%mm1,  %%mm0\n"
+			     " packssdw  %%mm0,  %%mm0\n"
+			     " movd %%mm0, (%0)\n"
+			     " add $4, %0\n"
+			     " add  $2, %3\n"
+			     " mov %3, %4\n"
+			     " sub  %5, %4\n"
+			     " cmovae %4, %3\n"
+			     "4:\n"
+			     " sar $1, %2\n"
+			     " cmp $0, %2\n"
+			     " je 6f\n"
+			     "5:\n"
+			     " movq (%1, %3, 4), %%mm0\n"
+			     " movq 8(%1, %3, 4), %%mm2\n"
+			     " movd (%0), %%mm1\n"
+			     " movd 4(%0), %%mm3\n"
+			     " pxor  %%mm4, %%mm4\n"
+			     " punpcklwd %%mm4,  %%mm1\n"
+			     " pcmpgtw  %%mm0, %%mm4\n"
+			     " pand  %%mm1, %%mm4\n"
+			     " movq  %%mm1, %%mm5\n"
+			     " pmulhw  %%mm0,  %%mm1\n"
+			     " paddw %%mm4,  %%mm1\n"
+			     " psrld $16,  %%mm0\n"
+			     " pmaddwd %%mm5,  %%mm0\n"
+			     " paddd  %%mm1,  %%mm0\n"
+			     " packssdw  %%mm0,  %%mm0\n"
+			     " pxor  %%mm4, %%mm4\n"
+			     " punpcklwd %%mm4,  %%mm3\n"
+			     " pcmpgtw  %%mm2, %%mm4\n"
+			     " pand  %%mm3, %%mm4\n"
+			     " movq  %%mm3, %%mm5\n"
+			     " pmulhw  %%mm2,  %%mm3\n"
+			     " paddw %%mm4,  %%mm3\n"
+			     " psrld $16,  %%mm2\n"
+			     " pmaddwd %%mm5,  %%mm2\n"
+			     " paddd  %%mm3,  %%mm2\n"
+			     " packssdw  %%mm2,  %%mm2\n"
+			     " movd %%mm0, (%0)\n"
+			     " movd %%mm2, 4(%0)\n"
+			     " add $8, %0\n"
+			     " add  $4, %3\n"
+			     " mov %3, %4\n"
+			     " sub  %5, %4\n"
+			     " cmovae %4, %3\n"
+			     " dec %2\n"
+			     " jne 5b\n"
+			     "6:\n"
+			     " emms\n":"+r"
+			     (samples), "+r"(volumes), "+r"(length),
+			     "=D"((long) channel),
+			     "=&r"(temp):"X"((long) channels):"cc");
+}