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submodule
ffmpeg
Commits
17710550
Commit
17710550
authored
Sep 30, 2015
by
Henrik Gramner
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x86inc: Make cpuflag() and notcpuflag() return 0 or 1
Makes it possible to use them in arithmetic expressions.
parent
5d4a3563
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x86inc.asm
libavutil/x86/x86inc.asm
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libavutil/x86/x86inc.asm
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17710550
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@@ -773,8 +773,9 @@ BRANCH_INSTR jz, je, jnz, jne, jl, jle, jnl, jnle, jg, jge, jng, jnge, ja, jae,
%assign
cpuflags_bmi1
(
1
<<
22
)
|
cpuflags_lzcnt
%assign
cpuflags_bmi2
(
1
<<
23
)
|
cpuflags_bmi1
%define
cpuflag
(
x
)
((
cpuflags
&
(
cpuflags_
%
+
x
))
==
(
cpuflags_
%
+
x
))
%define
notcpuflag
(
x
)
((
cpuflags
&
(
cpuflags_
%
+
x
))
!
=
(
cpuflags_
%
+
x
))
; Returns a boolean value expressing whether or not the specified cpuflag is enabled.
%define
cpuflag
(
x
)
(((((
cpuflags
&
(
cpuflags_
%
+
x
))
^
(
cpuflags_
%
+
x
))
-
1
)
>>
31
)
&
1
)
%define
notcpuflag
(
x
)
(
cpuflag
(
x
)
^
1
)
; Takes an arbitrary number of cpuflags from the above list.
; All subsequent functions (up to the next INIT_CPUFLAGS) is built for the specified cpu.
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