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| author | Jim Wilson <wilson@gcc.gnu.org> | 1994-10-31 10:26:19 -0800 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 1994-10-31 10:26:19 -0800 |
| commit | 2f0da90602f07493b6512c5b710f46a1f85ae0b4 (patch) | |
| tree | fca23811023166a1f718cec0201a0052fbfe343f | |
| parent | c2e39c12c3ed3b0dd594d2827b245082169643b2 (diff) | |
| download | gcc-2f0da90602f07493b6512c5b710f46a1f85ae0b4.zip gcc-2f0da90602f07493b6512c5b710f46a1f85ae0b4.tar.gz gcc-2f0da90602f07493b6512c5b710f46a1f85ae0b4.tar.bz2 | |
(GO_IF_LEGITIMATE_ADDRESS): Don't allow TFmode LO_SUM.
From-SVN: r8371
| -rw-r--r-- | gcc/config/sparc/sparc.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/config/sparc/sparc.h b/gcc/config/sparc/sparc.h index b5f7d34..674bdd2 100644 --- a/gcc/config/sparc/sparc.h +++ b/gcc/config/sparc/sparc.h @@ -1868,7 +1868,11 @@ extern struct rtx_def *sparc_builtin_saveregs (); register rtx op0 = XEXP (X, 0); \ register rtx op1 = XEXP (X, 1); \ if (RTX_OK_FOR_BASE_P (op0) \ - && CONSTANT_P (op1)) \ + && CONSTANT_P (op1) \ + /* We can't allow TFmode, because an offset \ + greater than or equal to the alignment (8) \ + may cause the LO_SUM to overflow. */ \ + && MODE != TFmode) \ goto ADDR; \ } \ else if (GET_CODE (X) == CONST_INT && SMALL_INT (X)) \ |