diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/vect-pr82426-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/vect-pr82426-2.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/vect-pr82426-2.c b/gcc/testsuite/gcc.target/i386/vect-pr82426-2.c new file mode 100644 index 0000000..5259408 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/vect-pr82426-2.c @@ -0,0 +1,31 @@ +/* i?86 does not have V2SF, x32 does though. */ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O3 -mavx -mfma -ffp-contract=on" } */ + +struct Matrix +{ + float m11; + float m12; + float m21; + float m22; + float dx; + float dy; +}; + +struct Matrix multiply(const struct Matrix *a, const struct Matrix *b) +{ + struct Matrix out; + out.m11 = a->m11*b->m11 + a->m12*b->m21; + out.m12 = a->m11*b->m12 + a->m12*b->m22; + out.m21 = a->m21*b->m11 + a->m22*b->m21; + out.m22 = a->m21*b->m12 + a->m22*b->m22; + + out.dx = a->dx*b->m11 + a->dy*b->m21 + b->dx; + out.dy = a->dx*b->m12 + a->dy*b->m22 + b->dy; + return out; +} + +/* The whole kernel should be vectorized with V4SF and V2SF operations. */ +/* { dg-final { scan-assembler-times "vadd" 1 } } */ +/* { dg-final { scan-assembler-times "vmul" 2 } } */ +/* { dg-final { scan-assembler-times "vfma" 2 } } */ |