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| author | DJ Delorie <dj@gcc.gnu.org> | 2006-01-16 19:58:06 -0500 |
|---|---|---|
| committer | DJ Delorie <dj@gcc.gnu.org> | 2006-01-16 19:58:06 -0500 |
| commit | 838f78d63b20aaf9078bf5afe2e94054fcd180f7 (patch) | |
| tree | 653d54d6cce1237b0ddb2eab1bc74bc7a583bdfe /gcc | |
| parent | 2d6ae5d626e4362718b2ccc0a3e86184721cecf2 (diff) | |
| download | gcc-838f78d63b20aaf9078bf5afe2e94054fcd180f7.zip gcc-838f78d63b20aaf9078bf5afe2e94054fcd180f7.tar.gz gcc-838f78d63b20aaf9078bf5afe2e94054fcd180f7.tar.bz2 | |
reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of mems.
* reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
mems.
From-SVN: r109792
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/reload.c | 2 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bc7f001..e8eeccb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2006-01-16 DJ Delorie <dj@redhat.com> + + * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of + mems. + 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> * pa.md: Disparage copies between general and floating-point registers @@ -31,7 +36,7 @@ * basic-block.h: Remove the prototype for partition_hot_cold_basic_blocks. -2006-01-16 Rafael Ávila de Espíndola <rafael.espindola@gmail.com> +2006-01-16 Rafael Ávila de EspÁndola <rafael.espindola@gmail.com> * cppspec.c (lang_specific_spec_functions): remove * gcc.c (lookup_spec_function): use static_spec_functions directelly diff --git a/gcc/reload.c b/gcc/reload.c index 2b61a8e..92ad085 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -6329,6 +6329,8 @@ reg_overlap_mentioned_for_reload_p (rtx x, rtx in) /* If either argument is a constant, then modifying X can not affect IN. */ if (CONSTANT_P (x) || CONSTANT_P (in)) return 0; + else if (GET_CODE (x) == SUBREG && GET_CODE (SUBREG_REG (x)) == MEM) + return refers_to_mem_for_reload_p (in); else if (GET_CODE (x) == SUBREG) { regno = REGNO (SUBREG_REG (x)); |