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From: "ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug debug/44023] -fcompare-debug failure (length) for alphaev67 target Date: Fri, 07 May 2010 17:05:00 -0000 [thread overview] Message-ID: <20100507170453.13505.qmail@sourceware.org> (raw) In-Reply-To: <bug-44023-1649@http.gcc.gnu.org/bugzilla/> ------- Comment #5 from ubizjak at gmail dot com 2010-05-07 17:04 ------- For some reason, IRA chooses different reload registers. --- t1.c.190r.ira 2010-05-07 18:57:36.000000000 +0200 +++ t1.c.gk.190r.ira 2010-05-07 18:57:36.000000000 +0200 These are differences in chosen reload registers: -Reloads for insn # 583 +Reloads for insn # 697 Reload 0: reload_out (DI) = (reg:DI 789) GENERAL_REGS, RELOAD_FOR_OUTPUT (opnum = 0) reload_out_reg: (reg:DI 789) - reload_reg_rtx: (reg:DI 28 $28) + reload_reg_rtx: (reg:DI 0 $0) Reload 1: reload_in (DI) = (reg/v/f:DI 81 [ endp ]) GENERAL_REGS, RELOAD_FOR_INPUT (opnum = 2) reload_in_reg: (reg/v/f:DI 81 [ endp ]) - reload_reg_rtx: (reg:DI 28 $28) + reload_reg_rtx: (reg:DI 0 $0) [...] -Reloads for insn # 475 +Reloads for insn # 556 Reload 0: reload_in (SI) = (const_int -1894007588 [0xffffffff8f1bbcdc]) GENERAL_REGS, RELOAD_FOR_INPUT (opnum = 2), can't combine reload_in_reg: (reg:SI 795) - reload_reg_rtx: (reg:SI 28 $28) + reload_reg_rtx: (reg:SI 24 $24) [...] -Reloads for insn # 514 +Reloads for insn # 598 Reload 0: reload_in (SI) = (reg:SI 725) GENERAL_REGS, RELOAD_FOR_INPUT (opnum = 1) reload_in_reg: (reg:SI 725) - reload_reg_rtx: (reg:SI 8 $8) + reload_reg_rtx: (reg:SI 27 $27) [...] -Reloads for insn # 584 +Reloads for insn # 698 Reload 0: reload_in (DI) = (reg:DI 789) GENERAL_REGS, RELOAD_FOR_INPUT (opnum = 2) reload_in_reg: (reg:DI 789) - reload_reg_rtx: (reg:DI 12 $12) + reload_reg_rtx: (reg:DI 1 $1) -Reloads for insn # 586 +Reloads for insn # 700 Reload 0: reload_in (DI) = (reg/v/f:DI 287 [ ctx ]) GENERAL_REGS, RELOAD_FOR_OPERAND_ADDRESS (opnum = 0) reload_in_reg: (reg/v/f:DI 287 [ ctx ]) - reload_reg_rtx: (reg:DI 13 $13) + reload_reg_rtx: (reg:DI 2 $2) Reload 1: reload_out (SI) = (mem/s:SI (reg/v/f:DI 287 [ ctx ]) [4 ctx_13(D)->A+0 S4 A32]) NO_REGS, RELOAD_FOR_OUTPUT (opnum = 0), optional reload_out_reg: (mem/s:SI (reg/v/f:DI 287 [ ctx ]) [4 ctx_13(D)->A+0 S4 A32]) -- ubizjak at gmail dot com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ubizjak at gmail dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44023
next prev parent reply other threads:[~2010-05-07 17:05 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2010-05-07 12:37 [Bug debug/44023] New: " ubizjak at gmail dot com 2010-05-07 12:39 ` [Bug debug/44023] " ubizjak at gmail dot com 2010-05-07 15:40 ` jakub at gcc dot gnu dot org 2010-05-07 15:47 ` ubizjak at gmail dot com 2010-05-07 16:32 ` ubizjak at gmail dot com 2010-05-07 17:05 ` ubizjak at gmail dot com [this message] 2010-05-07 17:13 ` ubizjak at gmail dot com 2010-05-07 20:26 ` jakub at gcc dot gnu dot org 2010-05-08 9:20 ` [Bug debug/44023] [4.6 Regression] -fcompare-debug failure (length) for alphaev67 target (bootstrap failure) ubizjak at gmail dot com 2010-05-10 10:13 ` jakub at gcc dot gnu dot org 2010-05-10 13:59 ` ubizjak at gmail dot com 2010-05-10 17:16 ` ubizjak at gmail dot com 2010-05-11 6:48 ` jakub at gcc dot gnu dot org 2010-05-11 7:11 ` jakub at gcc dot gnu dot org
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