diff options
| author | amodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-02-14 01:37:40 +0000 |
|---|---|---|
| committer | amodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-02-14 01:37:40 +0000 |
| commit | ce53bb66f6870fce786908b522775ad890b580c6 (patch) | |
| tree | 4f99dbb06bd95b603d114ce66f9c8f87a902e324 | |
| parent | 2959d9c3d3b035d1bf44d42f97c26780601c065f (diff) | |
| download | gcc-ce53bb66f6870fce786908b522775ad890b580c6.tar.gz | |
PRE_INC with invalid hard reg
PR target/68973
* reloads.c (find_reloads_address_1): For pre/post-inc/dec
with an invalid hard reg, reload just the reg not the entire
pre/post-inc/dec address expression.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@233406 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/reload.c | 12 |
2 files changed, 14 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0fce0c3bfe0..1561dbad282 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2016-02-14 Alan Modra <amodra@gmail.com> + + PR target/68973 + * reloads.c (find_reloads_address_1): For pre/post-inc/dec + with an invalid hard reg, reload just the reg not the entire + pre/post-inc/dec address expression. + 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org> PR target/67260 diff --git a/gcc/reload.c b/gcc/reload.c index 6196e63a16c..06426d92332 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -5834,14 +5834,16 @@ find_reloads_address_1 (machine_mode mode, addr_space_t as, ? XEXP (x, 0) : reg_equiv_mem (regno)); enum insn_code icode = optab_handler (add_optab, GET_MODE (x)); - if (insn && NONJUMP_INSN_P (insn) && equiv - && memory_operand (equiv, GET_MODE (equiv)) + if (insn && NONJUMP_INSN_P (insn) #if HAVE_cc0 && ! sets_cc0_p (PATTERN (insn)) #endif - && ! (icode != CODE_FOR_nothing - && insn_operand_matches (icode, 0, equiv) - && insn_operand_matches (icode, 1, equiv)) + && (regno < FIRST_PSEUDO_REGISTER + || (equiv + && memory_operand (equiv, GET_MODE (equiv)) + && ! (icode != CODE_FOR_nothing + && insn_operand_matches (icode, 0, equiv) + && insn_operand_matches (icode, 1, equiv)))) /* Using RELOAD_OTHER means we emit this and the reload we made earlier in the wrong order. */ && !reloaded_inner_of_autoinc) |