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From: Andreas Schwab <schwab@linux-m68k.org>
To: Alexandre Oliva <aoliva@redhat.com>
Cc: Christophe Lyon <christophe.lyon@linaro.org>,
	 GCC Patches <gcc-patches@gcc.gnu.org>,
	 Patrick Marlier <patrick.marlier@gmail.com>,
	 Jeff Law <law@redhat.com>,
	 James Greenhalgh <james.greenhalgh@arm.com>,
	 "H.J. Lu" <hjl.tools@gmail.com>,
	 Segher Boessenkool <segher@kernel.crashing.org>,
	 Richard Biener <richard.guenther@gmail.com>,
	 David Edelsohn <dje.gcc@gmail.com>,
	 Eric Botcazou <ebotcazou@adacore.com>
Subject: Re: [PR64164] drop copyrename, integrate into expand
Date: Wed, 19 Aug 2015 13:45:00 -0000	[thread overview]
Message-ID: <mvmlhd7cs21.fsf@hawking.suse.de> (raw)
In-Reply-To: <mvmpp2jcsv2.fsf@hawking.suse.de> (Andreas Schwab's message of	"Wed, 19 Aug 2015 15:25:53 +0200")

Andreas Schwab <schwab@linux-m68k.org> writes:

> Alexandre Oliva <aoliva@redhat.com> writes:
>
>> [PR64164] fix regressions reported on m68k and armeb
>>
>> From: Alexandre Oliva <aoliva@redhat.com>
>>
>> Defer stack slot address assignment for all parms that can't live in
>> pseudos, and accept pseudos assignments in assign_param_setup_block.
>
> That doesn't fix the ia64 Ada miscompilation though.

I mean miscomparison, not miscompilation.  The difference is only in the
insn scheduling.

--- x1	2015-08-19 15:26:41.000000000 +0200
+++ x2	2015-08-19 15:26:46.000000000 +0200
@@ -1,5 +1,5 @@
 
-stage2-gcc/ada/par.o:     file format elf64-ia64-little
+stage3-gcc/ada/par.o:     file format elf64-ia64-little
 
 
 Disassembly of section .text:
@@ -29467,25 +29467,25 @@
 			214b2: PCREL21B	atree__new_node
    214b6:	00 00 00 02 00 00 	            nop.i 0x0
    214bc:	08 00 00 50       	            br.call.sptk.many b0=214b0 <par__ch6__p_formal_part.2186+0xa30>
-   214c0:	08 78 e0 01 80 24 	[MMI]       mov r15=16504
-   214c6:	e0 80 03 00 49 20 	            mov r14=16496
-   214cc:	00 06 04 92       	            mov r1=16608
-   214d0:	0a 80 23 00 08 20 	[MMI]       addp4 r112=r8,r0;;
-   214d6:	f0 78 30 00 40 c0 	            add r15=r15,r12
-   214dc:	e1 60 00 80       	            add r14=r14,r12
-   214e0:	0a 08 04 18 00 20 	[MMI]       add r1=r1,r12;;
-   214e6:	f0 00 3c 20 20 00 	            ld4 r15=[r15]
-   214ec:	00 00 04 00       	            nop.i 0x0
+   214c0:	08 70 c0 01 80 24 	[MMI]       mov r14=16496
+   214c6:	00 00 00 02 00 e0 	            nop.m 0x0
+   214cc:	81 07 00 92       	            mov r15=16504
+   214d0:	09 08 80 01 81 24 	[MMI]       mov r1=16608
+   214d6:	00 00 00 02 00 00 	            nop.m 0x0
+   214dc:	8e 00 20 80       	            addp4 r112=r8,r0;;
+   214e0:	09 70 38 18 00 20 	[MMI]       add r14=r14,r12
+   214e6:	f0 78 30 00 40 20 	            add r15=r15,r12
+   214ec:	10 60 00 80       	            add r1=r1,r12;;
    214f0:	09 00 20 1c 90 11 	[MMI]       st4 [r14]=r8
    214f6:	10 00 04 30 20 00 	            ld8 r1=[r1]
    214fc:	00 00 04 00       	            nop.i 0x0;;
-   21500:	01 00 00 00 01 00 	[MII]       nop.m 0x0
-   21506:	e0 00 3c 2c 00 e0 	            sxt4 r14=r15
-   2150c:	01 61 00 84       	            adds r15=16,r12;;
-   21510:	0b 70 38 00 11 20 	[MMI]       shladd r14=r14,2,r0;;
-   21516:	e0 78 38 00 40 00 	            add r14=r15,r14
+   21500:	02 78 00 1e 10 10 	[MII]       ld4 r15=[r15]
+   21506:	00 00 00 02 00 c0 	            nop.i 0x0;;
+   2150c:	01 78 58 00       	            sxt4 r14=r15
+   21510:	0b 78 40 18 00 21 	[MMI]       adds r15=16,r12;;
+   21516:	e0 70 00 22 40 00 	            shladd r14=r14,2,r0
    2151c:	00 00 04 00       	            nop.i 0x0;;
-   21520:	09 00 00 00 01 00 	[MMI]       nop.m 0x0
+   21520:	0b 70 3c 1c 00 20 	[MMI]       add r14=r15,r14;;
    21526:	e0 e0 3b 7e 46 00 	            adds r14=-4,r14
    2152c:	00 00 04 00       	            nop.i 0x0;;
    21530:	10 88 03 1c 10 10 	[MIB]       ld4 r113=[r14]


Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

  reply	other threads:[~2015-08-19 13:43 UTC|newest]

Thread overview: 127+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-27 18:04 Alexandre Oliva
2015-03-27 18:11 ` Alexandre Oliva
2015-03-28 19:22 ` Alexandre Oliva
2015-03-31  5:11   ` Jeff Law
2015-04-03 13:17     ` Alexandre Oliva
2015-04-06 16:08       ` Jeff Law
2015-04-24  1:56         ` Alexandre Oliva
2015-04-27 11:39           ` Richard Biener
2015-06-06  5:12             ` Alexandre Oliva
2015-06-08  8:16               ` Richard Biener
2015-06-09  8:58                 ` Christophe Lyon
2015-06-10  0:28               ` Alexandre Oliva
2015-06-10 13:36                 ` Richard Biener
2015-07-16  7:58                   ` Alexandre Oliva
2015-07-16  8:50                     ` Richard Biener
2015-07-16 21:33                       ` Alexandre Oliva
2015-07-18  8:26                         ` Alexandre Oliva
2015-07-21 13:25                           ` Richard Biener
2015-07-22 17:13                             ` Alexandre Oliva
2015-07-22 17:43                             ` Alexandre Oliva
2015-07-23 11:04                               ` Richard Biener
2015-07-23 15:42                                 ` Alexandre Oliva
2015-07-23 20:35                                   ` Segher Boessenkool
2015-07-23 21:24                                     ` H.J. Lu
2015-07-23 22:11                                       ` H.J. Lu
2015-07-24  1:31                                         ` David Edelsohn
2015-07-24  5:08                                           ` H.J. Lu
2015-07-24  9:26                                             ` Richard Biener
2015-07-24 12:50                                               ` H.J. Lu
2015-07-24 20:20                                           ` Alexandre Oliva
2015-07-25  2:37                                             ` David Edelsohn
2015-07-27 22:16                                               ` Alexandre Oliva
2015-07-27 22:31                                                 ` H.J. Lu
2015-07-24 18:51                                         ` Alexandre Oliva
2015-07-24 19:12                                           ` H.J. Lu
2015-07-24 19:31                                             ` David Edelsohn
2015-07-24 20:43                                               ` Alexandre Oliva
2015-07-24 20:47                                             ` Alexandre Oliva
2015-07-24 21:53                                               ` H.J. Lu
2015-07-25  7:17                                                 ` Richard Biener
2015-07-29 20:52                                         ` Alexandre Oliva
2015-07-29 21:06                                           ` H.J. Lu
2015-07-30 17:47                                             ` H.J. Lu
2015-08-03 23:46                                               ` Alexandre Oliva
2015-08-04  9:48                                                 ` Richard Biener
2015-08-05  0:39                                                   ` Alexandre Oliva
2015-08-05  9:14                                                     ` Richard Biener
2015-08-05 23:03                                                       ` Alexandre Oliva
2015-08-10  8:24                                                 ` James Greenhalgh
2015-08-10 15:14                                                   ` Jeff Law
2015-08-11  4:53                                                     ` Patrick Marlier
2015-08-14 19:03                                                       ` Alexandre Oliva
2015-08-15  8:57                                                         ` Andreas Schwab
2015-08-16 13:00                                                           ` Alexandre Oliva
     [not found]                                                             ` <m2k2sv8s21.fsf@linux-m68k.org>
2015-08-17  5:05                                                               ` Alexandre Oliva
2015-08-17  9:29                                                                 ` Kyrill Tkachov
2015-08-17 16:23                                                                   ` Andrew Pinski
2015-08-18 16:18                                                                 ` Kyrill Tkachov
2015-08-16 16:42                                                         ` Andreas Schwab
2015-08-17  2:57                                                           ` Alexandre Oliva
2015-08-17  8:23                                                             ` Andreas Schwab
2015-08-17  9:21                                                               ` Andreas Schwab
2015-08-17 11:58                                                               ` Alexandre Oliva
2015-08-17  7:48                                                         ` Christophe Lyon
2015-08-17 12:43                                                           ` Alexandre Oliva
2015-08-17 13:39                                                             ` Christophe Lyon
2015-08-18  6:53                                                               ` Alexandre Oliva
2015-08-19  6:50                                                                 ` Alexandre Oliva
2015-08-19 10:17                                                                   ` Richard Biener
2015-08-19 13:35                                                                   ` Andreas Schwab
2015-08-19 13:45                                                                     ` Andreas Schwab [this message]
2015-08-19 17:48                                                                       ` Alexandre Oliva
2015-08-20  1:44                                                                         ` Alexandre Oliva
2015-08-20 17:03                                                                           ` Jeff Law
2015-08-21  7:57                                                                           ` Alexandre Oliva
2015-08-21  8:38                                                                             ` Richard Biener
2015-08-21 12:17                                                                             ` Andreas Schwab
2015-08-21  8:11                                                                           ` Alexandre Oliva
2015-08-21  8:37                                                                             ` Richard Biener
2015-09-02 17:09                                                         ` Alan Lawrence
2015-09-02 22:34                                                           ` Alexandre Oliva
2015-09-03 10:58                                                             ` Alan Lawrence
2015-09-18 15:49                                                             ` Alan Lawrence
2015-09-23 20:44                                                               ` Alexandre Oliva
2015-09-25 11:39                                                                 ` Richard Biener
2015-10-09  5:26                                                                   ` [PR67828] don't unswitch loops on undefined SSA values (was: Re: [PR64164] drop copyrename, integrate into expand) Alexandre Oliva
2015-10-09  9:35                                                                     ` Richard Biener
2015-10-09  5:36                                                                   ` [PR67766] reorder return value copying from PARALLELs and CONCATs " Alexandre Oliva
2015-10-09  7:33                                                                     ` [PR67891] drop is_gimple_reg test from set_parm_rtl (was: [PR67766] reorder return value copying from PARALLELs and CONCATs) Alexandre Oliva
2015-10-09  9:40                                                                       ` Richard Biener
2015-10-10 13:20                                                                         ` [PR67891] drop is_gimple_reg test from set_parm_rtl Alexandre Oliva
2015-10-12 10:22                                                                           ` Richard Biener
2015-10-14  3:25                                                                             ` Alexandre Oliva
2015-10-14  9:28                                                                               ` Richard Biener
2015-11-03  1:11                                                                                 ` Alexandre Oliva
2015-11-03  3:14                                                                                   ` Jeff Law
2015-11-03  4:29                                                                                     ` Alexandre Oliva
2022-10-17 12:08                                                                                       ` Tag 'gcc/gimple-expr.cc:mark_addressable_2' as 'static' (was: [PR67891] drop is_gimple_reg test from set_parm_rtl) Thomas Schwinge
2015-10-09  9:36                                                                     ` [PR67766] reorder return value copying from PARALLELs and CONCATs (was: Re: [PR64164] drop copyrename, integrate into expand) Richard Biener
2015-09-29 11:31                                                                 ` [PR64164] drop copyrename, integrate into expand Szabolcs Nagy
2015-10-07 22:37                                                                   ` Alexandre Oliva
2015-10-08 10:00                                                                     ` Richard Biener
2015-10-09 21:10                                                                     ` Jeff Law
2015-11-05  5:09                                                                 ` Alexandre Oliva
2015-11-05 13:44                                                                   ` Richard Biener
2015-11-10 15:31                                                                   ` Alan Lawrence
2015-11-10 22:59                                                                     ` Alexandre Oliva
2015-11-10 23:43                                                                       ` Jeff Law
2015-11-11 18:10                                                                         ` Alexandre Oliva
2015-11-13  6:33                                                                           ` Jeff Law
2015-11-17  0:07                                                                             ` Alexandre Oliva
2015-11-24  5:41                                                                               ` Jeff Law
2015-07-24 18:21                                     ` Alexandre Oliva
2015-07-29 20:32                                     ` Alexandre Oliva
2015-04-29  3:51           ` Jeff Law
2015-03-31  6:55   ` Steven Bosscher
2015-03-31 13:30     ` Richard Biener
2015-03-31 14:06   ` Richard Biener
2015-04-03 13:30     ` Alexandre Oliva
2015-04-06 15:57       ` Jeff Law
2015-12-04 12:45 ` Dominik Vogt
2015-06-09 16:19 David Edelsohn
2015-06-09 18:36 ` Alexandre Oliva
2015-06-09 20:24   ` Alexandre Oliva
2015-06-09 20:59     ` Jakub Jelinek
2015-06-09 21:36     ` Eric Botcazou
2015-06-09 21:38       ` David Edelsohn

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