diff options
Diffstat (limited to 'gcc/alias.c')
| -rw-r--r-- | gcc/alias.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/alias.c b/gcc/alias.c index a94793e..dd3b3f6 100644 --- a/gcc/alias.c +++ b/gcc/alias.c @@ -626,6 +626,10 @@ rtx_equal_for_memref_p (x, y) return XSTR (x, 0) == XSTR (y, 0); if (code == CONST_INT) return INTVAL (x) == INTVAL (y); + /* There's no need to compare the contents of CONST_DOUBLEs because + they're unique. */ + if (code == CONST_DOUBLE) + return 0; if (code == ADDRESSOF) return REGNO (XEXP (x, 0)) == REGNO (XEXP (y, 0)) && XINT (x, 1) == XINT (y, 1); |