URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [vmx/] [x-04.c] - Rev 154
Go to most recent revision | Compare with Previous | Blame | View Log
#include <altivec.h> vector unsigned char permute_128(vector unsigned char input) { vector unsigned char result, new_bit; vector unsigned char select2 = ((vector unsigned char){2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2}); vector unsigned char select3 = ((vector unsigned char){4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4}); vector unsigned char select4 = ((vector unsigned char){8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8}); vector unsigned char select5 = ((vector unsigned char){16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16}); vector unsigned char select6 = ((vector unsigned char){32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32}); vector unsigned char select7 = ((vector unsigned char){64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64}); vector unsigned char select8 = ((vector unsigned char){128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128}); vector unsigned char control1 = ((vector unsigned char){15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}); vector unsigned char control2 = ((vector unsigned char){15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}); vector unsigned char control3 = ((vector unsigned char){15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}); vector unsigned char control4 = ((vector unsigned char){15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}); vector unsigned char control5 = ((vector unsigned char){15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}); vector unsigned char control6 = ((vector unsigned char){15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}); vector unsigned char control7 = ((vector unsigned char){15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}); vector unsigned char control8 = ((vector unsigned char){15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}); vector unsigned char rotate1 = ((vector unsigned char){1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}); vector unsigned char rotate2 = ((vector unsigned char){3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3}); vector unsigned char rotate3 = ((vector unsigned char){5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5}); vector unsigned char rotate4 = ((vector unsigned char){7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7}); vector unsigned char rotate5 = ((vector unsigned char){1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}); vector unsigned char rotate6 = ((vector unsigned char){3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3}); vector unsigned char rotate7 = ((vector unsigned char){5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5}); vector unsigned char rotate8 = ((vector unsigned char){7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7}); 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 = ((vector unsigned char){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; }
Go to most recent revision | Compare with Previous | Blame | View Log