Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/loop-versioning-14.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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/* { dg-options "-O3 -fdump-tree-lversion-details" } */ /* Test that we don't try to version for a step of 1 when that would cause the iterations to leave a gap between accesses. */ void f1 (unsigned short *x, int stepx, int n) { for (int i = 0; i < n; ++i) { x[i * stepx * 4] = 100; x[i * stepx * 4 + 1] = 99; } } void f2 (unsigned short *x, int stepx, int n) { for (int i = 0; i < n; i += stepx * 4) { x[i] = 100; x[i + 1] = 99; } } void f3 (unsigned short *x, int stepx, int n) { for (int i = 0; i < n; ++i) { x[i * stepx * 4 - 16] = 100; x[i * stepx * 4 - 15] = 99; } } void f4 (unsigned short *x, int stepx, int n) { for (int i = 0; i < n; i += stepx * 4) { x[i - 16] = 100; x[i - 15] = 99; } } void f5 (unsigned short *x, int stepx, int n) { for (int i = 0; i < n; ++i) { x[i * stepx * 64 - 16] = 100; x[i * stepx * 64 + 15] = 99; } } void f6 (unsigned short *x, int stepx, int n) { for (int i = 0; i < n; i += stepx * 64) { x[i - 16] = 100; x[i + 15] = 99; } } void f7 (unsigned short *x, int stepx, int n) { for (unsigned short *y = x; y < x + n; y += stepx * 4) { y[0] = 100; y[1] = 99; } } unsigned short x[1000]; void g1 (int stepx, int n) { for (int i = 0; i < n; ++i) { x[i * stepx * 4] = 100; x[i * stepx * 4 + 1] = 99; } } void g2 (int stepx, int n) { for (int i = 0; i < n; i += stepx * 4) { x[i] = 100; x[i + 1] = 99; } } void g3 (int stepx, int n) { for (int i = 0; i < n; ++i) { x[i * stepx * 4 - 16] = 100; x[i * stepx * 4 - 15] = 99; } } void g4 (int stepx, int n) { for (int i = 0; i < n; i += stepx * 4) { x[i - 16] = 100; x[i - 15] = 99; } } void g5 (int stepx, int n) { for (int i = 0; i < n; ++i) { x[i * stepx * 64 - 16] = 100; x[i * stepx * 64 + 15] = 99; } } void g6 (int stepx, int n) { for (int i = 0; i < n; i += stepx * 64) { x[i - 16] = 100; x[i + 15] = 99; } } void g7 (int stepx, int n) { for (unsigned short *y = x; y < x + n; y += stepx * 4) { y[0] = 100; y[1] = 99; } } /* { dg-final { scan-tree-dump-not {want to version} "lversion" } } */ /* { dg-final { scan-tree-dump-not {versioned} "lversion" } } */