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| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/alias.c | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 62c53c8..7161319 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com> + + * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used + as pointers. + Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk> * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some 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); |