xref: /aosp_15_r20/external/pffft/fmv.h (revision 3f1979aa0d7ad34fcf3763de7b7b8f8cd67e5bdd)
1*3f1979aaSAndroid Build Coastguard Worker #ifndef FMV_H
2*3f1979aaSAndroid Build Coastguard Worker 
3*3f1979aaSAndroid Build Coastguard Worker #if HAVE_FUNC_ATTRIBUTE_IFUNC
4*3f1979aaSAndroid Build Coastguard Worker #if defined(__has_attribute)
5*3f1979aaSAndroid Build Coastguard Worker #if __has_attribute(target_clones)
6*3f1979aaSAndroid Build Coastguard Worker #if defined(__x86_64)
7*3f1979aaSAndroid Build Coastguard Worker 
8*3f1979aaSAndroid Build Coastguard Worker // see https://gcc.gnu.org/wiki/FunctionMultiVersioning
9*3f1979aaSAndroid Build Coastguard Worker #define PF_TARGET_CLONES __attribute__((target_clones("avx","sse4.2","sse3","sse2","sse","default")))
10*3f1979aaSAndroid Build Coastguard Worker #define HAVE_PF_TARGET_CLONES  1
11*3f1979aaSAndroid Build Coastguard Worker #endif
12*3f1979aaSAndroid Build Coastguard Worker #endif
13*3f1979aaSAndroid Build Coastguard Worker #endif
14*3f1979aaSAndroid Build Coastguard Worker #endif
15*3f1979aaSAndroid Build Coastguard Worker 
16*3f1979aaSAndroid Build Coastguard Worker #ifndef PF_TARGET_CLONES
17*3f1979aaSAndroid Build Coastguard Worker #define PF_TARGET_CLONES
18*3f1979aaSAndroid Build Coastguard Worker #endif
19*3f1979aaSAndroid Build Coastguard Worker 
20*3f1979aaSAndroid Build Coastguard Worker #endif
21