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| author | DJ Delorie <dj@redhat.com> | 2012-10-26 19:11:02 -0400 |
|---|---|---|
| committer | DJ Delorie <dj@gcc.gnu.org> | 2012-10-26 19:11:02 -0400 |
| commit | f5ac80f86a6b0b29dfdd1a4ad129c8268d341c32 (patch) | |
| tree | 1910290cbd09ce54d1b9d019d10f6c5c97300c0f /gcc | |
| parent | 1f8c354b9857de87d28f96424d90b09a2503adcf (diff) | |
| download | gcc-f5ac80f86a6b0b29dfdd1a4ad129c8268d341c32.zip gcc-f5ac80f86a6b0b29dfdd1a4ad129c8268d341c32.tar.gz gcc-f5ac80f86a6b0b29dfdd1a4ad129c8268d341c32.tar.bz2 | |
rl78.c (rl78_as_legitimate_address): Do not allow reg+addend addresses for the _far namespace.
* config/rl78/rl78.c (rl78_as_legitimate_address): Do not allow
reg+addend addresses for the _far namespace.
From-SVN: r192866
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/rl78/rl78.c | 7 |
2 files changed, 12 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1668c54..8b3c2b2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2012-10-26 DJ Delorie <dj@redhat.com> + + * config/rl78/rl78.c (rl78_as_legitimate_address): Do not allow + reg+addend addresses for the _far namespace. + 2012-10-26 Segher Boessenkool <segher@kernel.crashing.org> * config/rs6000/sync.md (ATOMIC): Correct DI condition. diff --git a/gcc/config/rl78/rl78.c b/gcc/config/rl78/rl78.c index 990c1bb..5e5050b 100644 --- a/gcc/config/rl78/rl78.c +++ b/gcc/config/rl78/rl78.c @@ -686,6 +686,13 @@ rl78_as_legitimate_address (enum machine_mode mode ATTRIBUTE_UNUSED, rtx x, if (! characterize_address (x, &base, &index, &addend)) return false; + /* We can't extract the high/low portions of a PLUS address + involving a register during devirtualization, so make sure all + such __far addresses do not have addends. This forces GCC to do + the sum separately. */ + if (addend && base && as == ADDR_SPACE_FAR) + return false; + if (base && index) { int ir = REGNO (index); |