Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/vect-live-slp-2.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
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/* { dg-require-effective-target vect_int } */ /* { dg-additional-options "-fno-tree-scev-cprop" } */ #include "tree-vect.h" /* Statement in SLP vectorization used outside the loop. NOTE: SCEV disabled to ensure the live operation is not removed before vectorization. */ #define LIVELOOP(RET) \ __attribute__ ((noinline)) int \ liveloop##RET (int n, int *x, int *y) \ { \ int n0, n1, j; \ for (j = 0; j < n; ++j) \ { \ n0 = x[(j*2)]; \ n1 = x[(j*2)+1]; \ y[(j*2)] = n0 + 1; \ y[(j*2)+1] = n1 + 2; \ } \ return n##RET; \ } LIVELOOP (0) LIVELOOP (1) typedef int (*FP)(int n, int *x, int *y); const FP llf[]= {&liveloop0, &liveloop1}; #define MAX 137 int main (void) { int a[MAX*4]; int b[MAX*4]; int i; check_vect (); for (i=0; i<MAX*2; i++) { __asm__ volatile (""); a[i] = i; } for (i=0; i<2; i++) { __asm__ volatile (""); int ret = llf[i] (MAX, a, b); if (ret != (MAX * 2) - 2 + i) abort (); for (i=0; i<MAX*2; i++) { __asm__ volatile (""); if (b[i] != i + (i%2) + 1) abort (); } } } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" } } */ /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "vect" } } */ /* { dg-final { scan-tree-dump-times "vec_stmt_relevant_p: stmt live but not relevant" 2 "vect" } } */