Hi all,I noticed for some reason that these tests don't properly dump the vectoriser pass before scanning, but it doesn't show up because the corresponding target predicate in the scan-tree-dump directive was never true on arm! I think these tests were initially supposed to go somewhere in the midend but ended up being in gcc.target/arm/. Since they're in gcc.target/arm, just add the ARMv8 NEON options and expect it to always vectorise.
These tests pass on arm just fine with these changes. Ok for trunk? 2014-09-02 Kyrylo Tkachov <kyrylo.tkac...@arm.com> * gcc.target/arm/vect-rounding-btruncf.c: Dump vectoriser output. Remove restriction on tree dump scan. * gcc.target/arm/vect-rounding-ceilf.c: Likewise. * gcc.target/arm/vect-rounding-floorf.c: Likewise. * gcc.target/arm/vect-rounding-roundf.c: Likewise.
commit 0a1ce57744f00efd14b93b8f6decb6d5eff20c66 Author: Kyrylo Tkachov <kyrylo.tkac...@arm.com> Date: Fri Aug 22 17:25:29 2014 +0100 [ARM] Fix testsuite flags for vect tests diff --git a/gcc/testsuite/gcc.target/arm/vect-rounding-btruncf.c b/gcc/testsuite/gcc.target/arm/vect-rounding-btruncf.c index ff033d4..5616837 100644 --- a/gcc/testsuite/gcc.target/arm/vect-rounding-btruncf.c +++ b/gcc/testsuite/gcc.target/arm/vect-rounding-btruncf.c @@ -1,6 +1,6 @@ /* { dg-do compile } */ /* { dg-require-effective-target arm_v8_neon_ok } */ -/* { dg-options "-O2 -ffast-math -ftree-vectorize" } */ +/* { dg-options "-O2 -ffast-math -ftree-vectorize -fdump-tree-vect-all" } */ /* { dg-add-options arm_v8_neon } */ #define N 32 @@ -14,5 +14,5 @@ foo (float *output, float *input) output[i] = __builtin_truncf (input[i]); } -/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_call_btruncf } } } */ +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/testsuite/gcc.target/arm/vect-rounding-ceilf.c b/gcc/testsuite/gcc.target/arm/vect-rounding-ceilf.c index b54f358..cb8f1d5 100644 --- a/gcc/testsuite/gcc.target/arm/vect-rounding-ceilf.c +++ b/gcc/testsuite/gcc.target/arm/vect-rounding-ceilf.c @@ -1,6 +1,6 @@ /* { dg-do compile } */ /* { dg-require-effective-target arm_v8_neon_ok } */ -/* { dg-options "-O2 -ffast-math -ftree-vectorize" } */ +/* { dg-options "-O2 -ffast-math -ftree-vectorize -fdump-tree-vect-all" } */ /* { dg-add-options arm_v8_neon } */ #define N 32 @@ -14,5 +14,5 @@ foo (float *output, float *input) output[i] = __builtin_ceilf (input[i]); } -/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_call_ceilf } } } */ +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/testsuite/gcc.target/arm/vect-rounding-floorf.c b/gcc/testsuite/gcc.target/arm/vect-rounding-floorf.c index 02e188d..bf68af7 100644 --- a/gcc/testsuite/gcc.target/arm/vect-rounding-floorf.c +++ b/gcc/testsuite/gcc.target/arm/vect-rounding-floorf.c @@ -1,6 +1,6 @@ /* { dg-do compile } */ /* { dg-require-effective-target arm_v8_neon_ok } */ -/* { dg-options "-O2 -ffast-math -ftree-vectorize" } */ +/* { dg-options "-O2 -ffast-math -ftree-vectorize -fdump-tree-vect-all" } */ /* { dg-add-options arm_v8_neon } */ #define N 32 @@ -14,5 +14,5 @@ foo (float *output, float *input) output[i] = __builtin_floorf (input[i]); } -/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_call_floorf } } } */ +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/testsuite/gcc.target/arm/vect-rounding-roundf.c b/gcc/testsuite/gcc.target/arm/vect-rounding-roundf.c index 85e2058..7c0a1b4 100644 --- a/gcc/testsuite/gcc.target/arm/vect-rounding-roundf.c +++ b/gcc/testsuite/gcc.target/arm/vect-rounding-roundf.c @@ -1,6 +1,6 @@ /* { dg-do compile } */ /* { dg-require-effective-target arm_v8_neon_ok } */ -/* { dg-options "-O2 -ffast-math -ftree-vectorize" } */ +/* { dg-options "-O2 -ffast-math -ftree-vectorize -fdump-tree-vect-all" } */ /* { dg-add-options arm_v8_neon } */ #define N 32 @@ -14,5 +14,5 @@ foo (float *output, float *input) output[i] = __builtin_roundf (input[i]); } -/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_call_roundf } } } */ +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */