diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/nios2/custom-fp-7.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/nios2/custom-fp-7.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/nios2/custom-fp-7.c b/gcc/testsuite/gcc.target/nios2/custom-fp-7.c new file mode 100644 index 0000000000..6f17336fbb --- /dev/null +++ b/gcc/testsuite/gcc.target/nios2/custom-fp-7.c @@ -0,0 +1,33 @@ +/* Test that duplicate declarations with the same custom insn attributes + don't cause an error. */ + +/* { dg-do compile } */ +/* { dg-options "-O1 -ffinite-math-only" } */ + +/* -O1 in the options is significant. Without it FP operations may not be + optimized to custom instructions. */ + +#include <stdio.h> +#include <math.h> + +/* This test case is expected to cause an error because GCC does not know + how to merge different custom instruction attribute sets, even if they + do not overlap. */ + +extern void +custom_fp (float operand_a, float operand_b, float *result) + __attribute__ ((target ("custom-fmaxs=246,custom-fmins=247"))); + +extern void +custom_fp (float operand_a, float operand_b, float *result) + __attribute__ ((target ("custom-fmaxs=246,custom-fmins=247"))); + +void +custom_fp (float operand_a, float operand_b, float *result) +{ + result[0] = fmaxf (operand_a, operand_b); + result[1] = fminf (operand_a, operand_b); +} + +/* { dg-final { scan-assembler "custom\\t246, .* # fmaxs .*" } } */ +/* { dg-final { scan-assembler "custom\\t247, .* # fmins .*" } } */ |