diff options
author | Lorry <lorry@roadtrain.codethink.co.uk> | 2012-01-09 13:47:42 +0000 |
---|---|---|
committer | Lorry <lorry@roadtrain.codethink.co.uk> | 2012-01-09 13:47:42 +0000 |
commit | b4a5df67f1382a33f4535eb1b10600ca52d294d3 (patch) | |
tree | d4571b191c2cfc0f5045bd27b54f8a48e70787a8 /gcc/testsuite/gcc.dg/vmx/x-05.c | |
download | gcc-tarball-b4a5df67f1382a33f4535eb1b10600ca52d294d3.tar.gz |
Tarball conversion
Diffstat (limited to 'gcc/testsuite/gcc.dg/vmx/x-05.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/vmx/x-05.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vmx/x-05.c b/gcc/testsuite/gcc.dg/vmx/x-05.c new file mode 100644 index 0000000000..80c13dcf04 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vmx/x-05.c @@ -0,0 +1,82 @@ +#include <altivec.h> + +static vector unsigned char select2 = {2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2}; +static vector unsigned char select3 = {4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4}; +static vector unsigned char select4 = {8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8}; +static vector unsigned char select5 = {16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16}; +static vector unsigned char select6 = {32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32}; +static vector unsigned char select7 = {64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64}; +static vector unsigned char select8 = {128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128}; + +static vector unsigned char control1 + = {15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}; +static vector unsigned char control2 + = {15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}; +static vector unsigned char control3 + = {15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}; +static vector unsigned char control4 + = {15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}; +static vector unsigned char control5 + = {15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}; +static vector unsigned char control6 + = {15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}; +static vector unsigned char control7 + = {15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}; +static vector unsigned char control8 + = {15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}; +static vector unsigned char rotate1 = {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}; +static vector unsigned char rotate2 = {3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3}; +static vector unsigned char rotate3 = {5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5}; +static vector unsigned char rotate4 = {7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7}; +static vector unsigned char rotate5 = {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}; +static vector unsigned char rotate6 = {3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3}; +static vector unsigned char rotate7 = {5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5}; +static vector unsigned char rotate8 = {7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7}; + +static vector unsigned char permute_128(vector unsigned char input) +{ + vector unsigned char result, new_bit; + + /* and now the code */ + result = vec_vperm(input, input, control1); + result = vec_rl(result, rotate1); + + new_bit = vec_vperm(input, input, control2); + new_bit = vec_rl(new_bit, rotate2); + result = vec_sel(result, new_bit, select2); + + new_bit = vec_vperm(input, input, control3); + new_bit = vec_rl(new_bit, rotate3); + result = vec_sel(result, new_bit, select3); + + new_bit = vec_vperm(input, input, control4); + new_bit = vec_rl(new_bit, rotate4); + result = vec_sel(result, new_bit, select4); + + new_bit = vec_vperm(input, input, control5); + new_bit = vec_rl(new_bit, rotate5); + result = vec_sel(result, new_bit, select5); + + new_bit = vec_vperm(input, input, control6); + new_bit = vec_rl(new_bit, rotate6); + result = vec_sel(result, new_bit, select6); + + new_bit = vec_vperm(input, input, control7); + new_bit = vec_rl(new_bit, rotate7); + result = vec_sel(result, new_bit, select7); + + new_bit = vec_vperm(input, input, control8); + new_bit = vec_rl(new_bit, rotate8); + result = vec_sel(result, new_bit, select8); + + return result; +} + +int main() +{ + vector unsigned char input + = {0,1,2,4,8,16,32,64,128,0,1,2,4,8,16,32}; + vector unsigned char result = permute_128(input); + return 0; +} + |