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| author | Kaz Kojima <kkojima@gcc.gnu.org> | 2014-12-19 04:40:11 +0000 |
|---|---|---|
| committer | Kaz Kojima <kkojima@gcc.gnu.org> | 2014-12-19 04:40:11 +0000 |
| commit | d6220b11a7d208c4713bd4da4bbec792a25ffde9 (patch) | |
| tree | fd00faa99d4eef198022a52515e9b805f18b3d04 /gcc/lra-constraints.c | |
| parent | 70712859a1068dfd0683199fe6fa669280ecfec4 (diff) | |
| download | gcc-d6220b11a7d208c4713bd4da4bbec792a25ffde9.zip gcc-d6220b11a7d208c4713bd4da4bbec792a25ffde9.tar.gz gcc-d6220b11a7d208c4713bd4da4bbec792a25ffde9.tar.bz2 | |
* Add TARGET_CANNOT_SUBSTITUTE_MEM_EQUIV target macro.
From-SVN: r218886
Diffstat (limited to 'gcc/lra-constraints.c')
| -rw-r--r-- | gcc/lra-constraints.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c index 8fc2cb7..9e9539c 100644 --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -488,7 +488,11 @@ get_equiv (rtx x) || lra_get_regno_hard_regno (regno) >= 0) return x; if ((res = ira_reg_equiv[regno].memory) != NULL_RTX) - return res; + { + if (targetm.cannot_substitute_mem_equiv_p (res)) + return x; + return res; + } if ((res = ira_reg_equiv[regno].constant) != NULL_RTX) return res; if ((res = ira_reg_equiv[regno].invariant) != NULL_RTX) |