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authorLoren Merritt <lorenm@u.washington.edu>2012-07-04 11:07:49 +0000
committerDiego Biurrun <diego@biurrun.de>2012-07-05 17:37:11 +0200
commit4d4752366f873fde444815b9a0a8f1077073d266 (patch)
tree1b20b284f807fb1fafabfba826a1451b97a4fd93 /libavutil
parent2cd1f5cadcab6c6c992c3d07575f76e3e6e59c0e (diff)
x86inc: add SPLATB_LOAD, SPLATB_REG, PSHUFLW macros
Signed-off-by: Diego Biurrun <diego@biurrun.de>
Diffstat (limited to 'libavutil')
-rw-r--r--libavutil/x86/x86util.asm41
1 files changed, 37 insertions, 4 deletions
diff --git a/libavutil/x86/x86util.asm b/libavutil/x86/x86util.asm
index 066384b4c7..941ec76084 100644
--- a/libavutil/x86/x86util.asm
+++ b/libavutil/x86/x86util.asm
@@ -256,15 +256,26 @@
%define ABSB ABSB_MMX
%define ABSB2 ABSB2_MMX
-%macro SPLATB_MMX 3
+%macro SPLATB_LOAD 3
+%if cpuflag(ssse3)
+ movd %1, [%2-3]
+ pshufb %1, %3
+%else
movd %1, [%2-3] ;to avoid crossing a cacheline
punpcklbw %1, %1
SPLATW %1, %1, 3
+%endif
%endmacro
-%macro SPLATB_SSSE3 3
- movd %1, [%2-3]
+%macro SPLATB_REG 3
+%if cpuflag(ssse3)
+ movd %1, %2d
pshufb %1, %3
+%else
+ movd %1, %2d
+ punpcklbw %1, %1
+ SPLATW %1, %1, 0
+%endif
%endmacro
%macro PALIGNR_MMX 4-5 ; [dst,] src1, src2, imm, tmp
@@ -296,6 +307,14 @@
%endif
%endmacro
+%macro PSHUFLW 1+
+ %if mmsize == 8
+ pshufw %1
+ %else
+ pshuflw %1
+ %endif
+%endmacro
+
%macro DEINTB 5 ; mask, reg1, mask, reg2, optional src to fill masks from
%ifnum %5
pand m%3, m%5, m%4 ; src .. y6 .. y4
@@ -521,8 +540,22 @@
%if mmsize == 16
pshuflw %1, %2, (%3)*0x55
punpcklqdq %1, %1
-%else
+%elif cpuflag(mmx2)
pshufw %1, %2, (%3)*0x55
+%else
+ %ifnidn %1, %2
+ mova %1, %2
+ %endif
+ %if %3 & 2
+ punpckhwd %1, %1
+ %else
+ punpcklwd %1, %1
+ %endif
+ %if %3 & 1
+ punpckhwd %1, %1
+ %else
+ punpcklwd %1, %1
+ %endif
%endif
%endmacro