Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/bb-slp-pow-1.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
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/* { dg-additional-options "-fno-math-errno -fdisable-tree-sincos" } */ /* { dg-require-effective-target vect_float } */ void __attribute__ ((noipa)) f (float *a) { a[0] = a[0] * a[0]; a[1] = __builtin_powf (a[1], 2); a[2] = a[2] * a[2]; a[3] = __builtin_powf (a[3], 2); } float a[4] = { 1, 2, 3, 4 }; int main (void) { f (a); for (int i = 0; i < 4; ++i) { if (a[i] != (i + 1) * (i + 1)) __builtin_abort (); asm volatile ("" ::: "memory"); } return 0; } /* On older powerpc hardware (POWER7 and earlier), the default flag -mno-allow-movmisalign prevents vectorization. On POWER8 and later, when vect_hw_misalign is true, vectorization occurs. */ /* { dg-final { scan-tree-dump-times "basic block vectorized" 1 "slp2" { target {{ ! powerpc*-*-* } || { powerpc*-*-* && vect_hw_misalign }} } } } */