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| author | Uros Bizjak <ubizjak@gmail.com> | 2012-03-13 11:35:19 +0100 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2012-03-13 11:35:19 +0100 |
| commit | 9ec960239680726720385bcb82725d0c14204546 (patch) | |
| tree | 9e2a04181ded7407cc5f7f845d66e02e07936de8 /gcc | |
| parent | d47657bd1dff3050fceaf1c755db4c47a536bd36 (diff) | |
| download | gcc-9ec960239680726720385bcb82725d0c14204546.zip gcc-9ec960239680726720385bcb82725d0c14204546.tar.gz gcc-9ec960239680726720385bcb82725d0c14204546.tar.bz2 | |
i386.c (ix86_decompose_address): Prevent %fs:(%reg) addresses only when %reg is not in word mode.
* config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
addresses only when %reg is not in word mode.
From-SVN: r185327
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 6 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 17aa11f..dd02f18 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2012-03-13 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg) + addresses only when %reg is not in word mode. + 2012-03-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> * config/microblaze/microblaze.md: Fix typo. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index e366892..1a18dc7 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -11563,8 +11563,10 @@ ix86_decompose_address (rtx addr, struct ix86_address *out) return 0; } - if (seg != SEG_DEFAULT && (base || index) - && !TARGET_TLS_INDIRECT_SEG_REFS) +/* Address override works only on the (%reg) part of %fs:(%reg). */ + if (seg != SEG_DEFAULT + && ((base && GET_MODE (base) != word_mode) + || (index && GET_MODE (index) != word_mode))) return 0; /* Extract the integral value of scale. */ |