diff options
| author | James Almer <jamrial@gmail.com> | 2014-03-01 23:46:27 -0300 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-03-02 11:58:10 +0100 |
| commit | 884e085d1ea34f2f773b9589ae8e8aa9ca91b358 (patch) | |
| tree | 1a57da75c20fde135db63eab6730e4b58b0f249a /libavcodec/x86/dcadsp.asm | |
| parent | f5d1d1e4667ba346ea7e0f97e6d2756bc9d4abde (diff) | |
x86/synth_filter: Revert the switch to float ops with SSE2
This reverts the changes 64672098361361cd15d37e36f747ab44de5b80ca
and 68c3ed936a76c3ff7738f602fa90237ac7e3ce08 did to the SSE2 version,
which generated a hit of about 5 cycles.
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/x86/dcadsp.asm')
| -rw-r--r-- | libavcodec/x86/dcadsp.asm | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/libavcodec/x86/dcadsp.asm b/libavcodec/x86/dcadsp.asm index 972ce1e3be..a6a4582524 100644 --- a/libavcodec/x86/dcadsp.asm +++ b/libavcodec/x86/dcadsp.asm @@ -199,6 +199,14 @@ INIT_XMM sse DCA_LFE_FIR 0 DCA_LFE_FIR 1 +%macro SETZERO 1 +%if cpuflag(sse2) && notcpuflag(avx) + pxor %1, %1 +%else + xorps %1, %1, %1 +%endif +%endmacro + %macro SHUF 3 %if cpuflag(avx) mova %3, [%2 - 16] @@ -265,7 +273,12 @@ cglobal synth_filter_inner, 0, 6 + 4 * ARCH_X86_64, 7 + 6 * ARCH_X86_64, \ synth_buf, synth_buf2, window, out, off, scale %define scale m0 %if ARCH_X86_32 || WIN64 +%if cpuflag(sse2) && notcpuflag(avx) + movd m0, scalem + SPLATD m0 +%else VBROADCASTSS m0, scalem +%endif ; Make sure offset is in a register and not on the stack %define OFFQ r4q %else @@ -290,8 +303,8 @@ cglobal synth_filter_inner, 0, 6 + 4 * ARCH_X86_64, 7 + 6 * ARCH_X86_64, \ %endif .mainloop ; m1 = a m2 = b m3 = c m4 = d - xorps m3, m3, m3 - xorps m4, m4, m4 + SETZERO m3 + SETZERO m4 mova m1, [buf2 + i] mova m2, [buf2 + i + 16 * 4] %if ARCH_X86_32 @@ -308,8 +321,8 @@ cglobal synth_filter_inner, 0, 6 + 4 * ARCH_X86_64, 7 + 6 * ARCH_X86_64, \ %define ptr2 r7q ; must be loaded %define win r8q %define j r9q - xorps m9, m9, m9 - xorps m10, m10, m10 + SETZERO m9 + SETZERO m10 mova m7, [buf2 + i + mmsize] mova m8, [buf2 + i + mmsize + 16 * 4] lea win, [windowq + i] |