diff options
| author | Roger Sayle <roger@eyesopen.com> | 2006-12-18 19:34:23 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2006-12-18 19:34:23 +0000 |
| commit | ecc54e6eab98f1275218af1e7ed2c3aaa81ed456 (patch) | |
| tree | b4d22e57f8f3ee43dc12fc14f56d64d0877864bd /gcc/fortran/trans-array.c | |
| parent | 79f99d42769600914aaf5500d8c495d48bd5e0ec (diff) | |
| download | gcc-ecc54e6eab98f1275218af1e7ed2c3aaa81ed456.zip gcc-ecc54e6eab98f1275218af1e7ed2c3aaa81ed456.tar.gz gcc-ecc54e6eab98f1275218af1e7ed2c3aaa81ed456.tar.bz2 | |
trans-array.c (gfc_conv_array_index_offset): Avoid multiplying index by one, or adding zero to it.
* trans-array.c (gfc_conv_array_index_offset): Avoid multiplying
index by one, or adding zero to it.
From-SVN: r120011
Diffstat (limited to 'gcc/fortran/trans-array.c')
| -rw-r--r-- | gcc/fortran/trans-array.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/gcc/fortran/trans-array.c b/gcc/fortran/trans-array.c index 23163d5..0858988 100644 --- a/gcc/fortran/trans-array.c +++ b/gcc/fortran/trans-array.c @@ -1985,10 +1985,12 @@ gfc_conv_array_index_offset (gfc_se * se, gfc_ss_info * info, int dim, int i, /* Multiply the loop variable by the stride and delta. */ index = se->loop->loopvar[i]; - index = fold_build2 (MULT_EXPR, gfc_array_index_type, index, - info->stride[i]); - index = fold_build2 (PLUS_EXPR, gfc_array_index_type, index, - info->delta[i]); + if (!integer_onep (info->stride[i])) + index = fold_build2 (MULT_EXPR, gfc_array_index_type, index, + info->stride[i]); + if (!integer_zerop (info->delta[i])) + index = fold_build2 (PLUS_EXPR, gfc_array_index_type, index, + info->delta[i]); break; default: @@ -2006,7 +2008,8 @@ gfc_conv_array_index_offset (gfc_se * se, gfc_ss_info * info, int dim, int i, } /* Multiply by the stride. */ - index = fold_build2 (MULT_EXPR, gfc_array_index_type, index, stride); + if (!integer_onep (stride)) + index = fold_build2 (MULT_EXPR, gfc_array_index_type, index, stride); return index; } |