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| author | Roger Sayle <roger@eyesopen.com> | 2006-12-20 17:23:43 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2006-12-20 17:23:43 +0000 |
| commit | 6822a10d9d8a0f9635e88624fb12ff34653e47a2 (patch) | |
| tree | 2deff0c64810fea5035bf5058aeb42b4c126396b /gcc/tree-gimple.c | |
| parent | f1f4e530a59db86e577e9e83871626c782e33585 (diff) | |
| download | gcc-6822a10d9d8a0f9635e88624fb12ff34653e47a2.tar.gz | |
trans-expr.c (is_zero_initializer_p): Determine whether a given constant expression is a zero initializer.
* trans-expr.c (is_zero_initializer_p): Determine whether a given
constant expression is a zero initializer.
(gfc_trans_zero_assign): New function to attempt to optimize
"a(:) = 0.0" as a call to __builtin_memset (a, 0, sizeof(a));
(gfc_trans_assignment): Special case array assignments to a
zero initializer constant, using gfc_trans_zero_assign.
* gfortran.dg/array_memset_1.f90: New test case.
From-SVN: r120078
Diffstat (limited to 'gcc/tree-gimple.c')
0 files changed, 0 insertions, 0 deletions