PR 13772 candidate fix

[Andreas Schwab]

"Zack Weinberg" <zack@codesourcery.com> writes:

> "Zack Weinberg" <zack@codesourcery.com> writes:
>
>> This is my candidate patch for the ia64/ada bootstrap failure
>> introduced by my TI/TFmode changes last week.  It takes the entire
>> problem off reload's hands, by careful use of postincrement so that
>> the scratch register becomes unnecessary.
>
> Augh, several mistakes in that patch, please test this one instead.

Still doesn't fly.

stage1/xgcc -Bstage1/ -B/usr/local/ia64-suse-linux/bin/ -c -g -O2      -gnatpg -gnata -I- -I. -Iada -I../../gcc/ada ../../gcc/ada/opt.adb -o ada/opt.o
+===========================GNAT BUG DETECTED==============================+
| 3.5.0 20040122 (experimental) (ia64-suse-linux-gnu) GCC error:           |
| in change_address_1, at emit-rtl.c:1849                                  |

#0  fancy_abort (file=0x4000000000d9f070 "../../gcc/emit-rtl.c", line=1849, 
    function=0x4000000000d9f580 "change_address_1")
    at ../../gcc/diagnostic.c:584
#1  0x4000000000650c90 in change_address_1 (memref=0x20000000006b0ce0, 
    mode=DImode, addr=0x20000000006f6f20, validate=1)
    at ../../gcc/emit-rtl.c:1849
#2  0x4000000000651890 in change_address (memref=0x20000000006b0ce0, 
    mode=DImode, addr=0x20000000006f6f20) at ../../gcc/emit-rtl.c:1869
#3  0x4000000000b102c0 in ia64_split_tmode (out=0x60000fffffffa168, 
    in=0x20000000006b0ce0, reversed=false, dead=false)
    at ../../gcc/config/ia64/ia64.c:1379
#4  0x4000000000b108b0 in ia64_split_tmode_move (operands=0x6000000000065a28)
    at ../../gcc/config/ia64/ia64.c:1517
#5  0x400000000090baf0 in gen_split_296 (operands=0x6000000000065a28)
    at insn-emit.c:2289
#6  0x400000000090f9a0 in split_insns (x0=0x20000000006b0ec0, 
    insn=0x20000000006b0da0) at insn-recog.c:20387
#7  0x400000000065ac40 in try_split (pat=0x20000000006b0ec0, 
    trial=0x20000000006aa080, last=1) at ../../gcc/emit-rtl.c:3226
#8  0x40000000009ee160 in split_insn (insn=0x20000000006aa080)
    at ../../gcc/recog.c:2689
#9  0x40000000009ee840 in split_all_insns (upd_life=0)
    at ../../gcc/recog.c:2720
#10 0x4000000000a96f40 in rest_of_compilation (decl=0x200000000069f4d0)
    at ../../gcc/toplev.c:3434

memref:

(mem/s:TI (post_modify:DI (reg/f:DI 36 loc4 [400])
        (plus:DI (reg/f:DI 36 loc4 [400])
            (const_int 8 [0x8]))) [4 opt__R47s+0 S16 A128])

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Maxfeldstraße 5, 90409 Nürnberg, Germany
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