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| author | Richard Kenner <kenner@gcc.gnu.org> | 1995-09-29 07:47:40 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1995-09-29 07:47:40 -0400 |
| commit | f29369b9f2b1d1d7bc55ba044076860b7a636231 (patch) | |
| tree | 4e575b739815fe64a9e68d32f4f141a9a3cb2399 /gcc | |
| parent | d22d5f3433c43d2051725894d106e65785a08afa (diff) | |
| download | gcc-f29369b9f2b1d1d7bc55ba044076860b7a636231.zip gcc-f29369b9f2b1d1d7bc55ba044076860b7a636231.tar.gz gcc-f29369b9f2b1d1d7bc55ba044076860b7a636231.tar.bz2 | |
(store_expr): When storing promoted value, don't return MEM if address
contains target.
From-SVN: r10414
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/expr.c | 7 |
1 files changed, 5 insertions, 2 deletions
@@ -2785,8 +2785,11 @@ store_expr (exp, target, want_value) temp = expand_expr (exp, NULL_RTX, VOIDmode, 0); /* If TEMP is a volatile MEM and we want a result value, make - the access now so it gets done only once. */ - if (GET_CODE (temp) == MEM && MEM_VOLATILE_P (temp) && want_value) + the access now so it gets done only once. Likewise if + it contains TARGET. */ + if (GET_CODE (temp) == MEM && want_value + && (MEM_VOLATILE_P (temp) + || reg_mentioned_p (SUBREG_REG (target), XEXP (temp, 0)))) temp = copy_to_reg (temp); /* If TEMP is a VOIDmode constant, use convert_modes to make |