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| author | Robin Dapp <rdapp@linux.ibm.com> | 2022-02-08 14:39:16 +0100 |
|---|---|---|
| committer | Robin Dapp <rdapp@linux.ibm.com> | 2022-02-08 15:28:53 +0100 |
| commit | 38a177fa4c2fd1ce75581145b3b8f12592b4aacd (patch) | |
| tree | 3bb7483c1c9cb41a01ddd8223759ccc133ef7999 | |
| parent | 8dbb60b8dfc642a81f1c41fde11767150e8f91a5 (diff) | |
| download | gcc-38a177fa4c2fd1ce75581145b3b8f12592b4aacd.zip gcc-38a177fa4c2fd1ce75581145b3b8f12592b4aacd.tar.gz gcc-38a177fa4c2fd1ce75581145b3b8f12592b4aacd.tar.bz2 | |
combine: Check for paradoxical subreg.
This adds a check for a paradoxical subreg in reg_subword_p ()
in order to prevent an ICE on s390 in try_combine () triggered
by the movqicc expander.
gcc/ChangeLog:
* combine.cc (reg_subword_p): Check for paradoxical subreg.
| -rw-r--r-- | gcc/combine.cc | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/combine.cc b/gcc/combine.cc index 7683f82..c264ede 100644 --- a/gcc/combine.cc +++ b/gcc/combine.cc @@ -2411,6 +2411,7 @@ reg_subword_p (rtx x, rtx reg) x = XEXP (x, 0); return GET_CODE (x) == SUBREG + && !paradoxical_subreg_p (x) && SUBREG_REG (x) == reg && GET_MODE_CLASS (GET_MODE (x)) == MODE_INT; } |