diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/vmx/sn7153.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/vmx/sn7153.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vmx/sn7153.c b/gcc/testsuite/gcc.dg/vmx/sn7153.c new file mode 100644 index 000000000..a498a8620 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vmx/sn7153.c @@ -0,0 +1,62 @@ +/* In the source code, the vec_adds appears before the call to + validate_sat(). In the .s code, the vaddubs has been moved to after + the call to validate_sat(). This invalidates the meaning of checking + the saturation bit. */ + +#include <stdio.h> +#include <stdlib.h> +#include <altivec.h> + +static int failed; + +void validate_sat(); +void validate_u8(vector unsigned char, vector unsigned char); + +int +main() +{ + vector unsigned char result_u8; + vec_mtvscr(((vector unsigned short){0,0,0,0,0,0,0,0})); + result_u8 = vec_adds(((vector unsigned + char){0,1,2,3,0xfc,0xfd,0xfe,0xff, + 0,1,2,3,0xfc,0xfd,0xfe,0xff}), + ((vector unsigned + char){0,0xf0,0xfd,0xfd,2,2,2,2,0, + 0xf0,0xfd,0xfd,2,2,2,2})); + validate_sat(); + validate_u8(result_u8, ((vector unsigned + char){0,0xf1,0xff,0xff,0xfe,0xff,0xff,0xff, + 0,0xf1,0xff,0xff,0xfe,0xff,0xff,0xff})); + if (failed) + abort (); + return 0; +} + +void validate_sat() +{ + if (vec_any_ne(vec_splat(vec_mfvscr(), 7), ((vector unsigned short){1,1,1,1,1,1,1,1}))) + { + union {vector unsigned short v; unsigned short s[8];} u; + u.v = vec_mfvscr(); + printf("error: vscr == { %d,%d,%d,%d,%d,%d,%d,%d }", + u.s[0], u.s[1], u.s[2], u.s[3], + u.s[4], u.s[5], u.s[6], u.s[7]); + printf("expected { 1,1,1,1,1,1,1,1 }\n"); + failed++; + } +} + +void validate_u8(vector unsigned char v, vector unsigned char vx) +{ + union {vector unsigned char v; unsigned char x[16]; } u, ux; + int i; + u.v = v; + ux.v = vx; + for (i=0; i<16; i++) { + if (u.x[i] != ux.x[i]) { + printf(" error: field %d %#2.2x expected %#2.2x\n", + i, u.x[i], ux.x[i]); + failed++; + } + } +} |