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| author | Jeff Law <law@redhat.com> | 2011-02-02 09:52:21 -0700 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2011-02-02 09:52:21 -0700 |
| commit | 2a737389e462c4d8566cf544365195311e17d614 (patch) | |
| tree | 58fc51ec9cdef4e637114018446c740238f15bf1 /gcc/reload.c | |
| parent | 9dac82c4dac4a4e47756c5a16067672339804cf0 (diff) | |
| download | gcc-2a737389e462c4d8566cf544365195311e17d614.zip gcc-2a737389e462c4d8566cf544365195311e17d614.tar.gz gcc-2a737389e462c4d8566cf544365195311e17d614.tar.bz2 | |
re PR target/47543 (ICE: in extract_insn, at recog.c:2109 when building zlib)
PR middle-end/47543
* reload.c (find_reloads_address): Handle reg+d address where both
components are invalid by reloading the entire address.
From-SVN: r169533
Diffstat (limited to 'gcc/reload.c')
| -rw-r--r-- | gcc/reload.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/gcc/reload.c b/gcc/reload.c index aa9e68e..714355c3 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -5066,8 +5066,13 @@ find_reloads_address (enum machine_mode mode, rtx *memrefloc, rtx ad, && REG_P (XEXP (ad, 0)) && REGNO (XEXP (ad, 0)) < FIRST_PSEUDO_REGISTER && CONST_INT_P (XEXP (ad, 1)) - && regno_ok_for_base_p (REGNO (XEXP (ad, 0)), mode, PLUS, - CONST_INT)) + && (regno_ok_for_base_p (REGNO (XEXP (ad, 0)), mode, PLUS, + CONST_INT) + /* Similarly, if we were to reload the base register and the + mem+offset address is still invalid, then we want to reload + the whole address, not just the base register. */ + || ! maybe_memory_address_addr_space_p + (mode, ad, as, &(XEXP (ad, 0))))) { /* Unshare the MEM rtx so we can safely alter it. */ @@ -5079,7 +5084,9 @@ find_reloads_address (enum machine_mode mode, rtx *memrefloc, rtx ad, loc = &XEXP (*loc, 0); } - if (double_reg_address_ok) + if (double_reg_address_ok + && regno_ok_for_base_p (REGNO (XEXP (ad, 0)), mode, + PLUS, CONST_INT)) { /* Unshare the sum as well. */ *loc = ad = copy_rtx (ad); |