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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/96015] [10/11 Regression] gcc-10.1.0 miscompiles Python on hppa
Date: Wed, 01 Jul 2020 13:11:21 +0000 [thread overview]
Message-ID: <bug-96015-4-i3uZLwx3dM@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-96015-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96015
--- Comment #7 from Martin Liška <marxin at gcc dot gnu.org> ---
There's ASM diff in between GCC 9 and 10 version:
diff -u good.s bad.s
--- good.s 2020-07-01 15:04:58.315839436 +0200
+++ bad.s 2020-07-01 15:04:30.684040487 +0200
@@ -30,7 +30,7 @@
.L15:
ldi 0,%r28
.L3:
-.L25:
+.L26:
ldw -84(%r30),%r2
ldw -60(%r30),%r4
ldw -56(%r30),%r3
@@ -39,16 +39,14 @@
.L22:
bl yes,%r2
nop
- comib,=,n 0,%r28,.L25
+ comib,=,n 0,%r28,.L26
ldi 0,%r28
- comclr,<> %r4,%r5,%r0
- b,n .L23
comiclr,<< 5,%r3,%r0
- b,n .L24
-.L6:
-.L23:
- comib,<< 5,%r3,.L26
+ b,n .L25
+.L12:
+ b .L3
ldi 1,%r28
+.L25:
ldil L'.L8,%r28
ldo R'.L8(%r28),%r28
ldwx,s %r3(%r28),%r28
@@ -65,34 +63,6 @@
.word .L12
.end_brtab
.text
-.L12:
- ldi 1,%r28
-.L26:
- ldw -84(%r30),%r2
- ldw -60(%r30),%r4
- ldw -56(%r30),%r3
- bv %r0(%r2)
- ldwm -64(%r30),%r5
-.L24:
- ldil L'.L11,%r28
- ldo R'.L11(%r28),%r28
- ldwx,s %r3(%r28),%r28
- bv,n %r0(%r28)
- .section .rodata
- .align 4
-.L11:
- .begin_brtab
- .word .L14
- .word .L15
- .word .L6
- .word .L15
- .word .L6
- .word .L15
- .end_brtab
- .text
-.L14:
- b .L3
- copy %r3,%r28
.EXIT
.PROCEND
.size long_richcompare, .-long_richcompare
@@ -143,4 +113,4 @@
.EXIT
.PROCEND
.size main, .-main
- .ident "GCC: (SUSE Linux) 9.3.1 20200406 [revision
6db837a5288ee3ca5ec504fbd5a765817e556ac2]"
+ .ident "GCC: (SUSE Linux) 10.1.1 20200625 [revision
c91e43e9363bd119a695d64505f96539fa451bf2]"
next prev parent reply other threads:[~2020-07-01 13:11 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-01 7:29 [Bug target/96015] New: [regression] " slyfox at inbox dot ru
2020-07-01 7:30 ` [Bug target/96015] " slyfox at inbox dot ru
2020-07-01 7:32 ` slyfox at inbox dot ru
2020-07-01 7:38 ` slyfox at inbox dot ru
2020-07-01 8:03 ` [Bug target/96015] [10/11 Regression] " rguenth at gcc dot gnu.org
2020-07-01 8:11 ` marxin at gcc dot gnu.org
2020-07-01 9:14 ` slyfox at inbox dot ru
2020-07-01 9:15 ` slyfox at inbox dot ru
2020-07-01 13:11 ` marxin at gcc dot gnu.org [this message]
2020-07-01 13:12 ` marxin at gcc dot gnu.org
2020-07-01 15:39 ` slyfox at inbox dot ru
2020-07-01 15:40 ` slyfox at inbox dot ru
2020-07-01 15:46 ` slyfox at inbox dot ru
2020-07-01 16:35 ` law at redhat dot com
2020-07-01 17:33 ` law at redhat dot com
2020-07-01 17:57 ` slyfox at inbox dot ru
2020-07-01 19:15 ` slyfox at inbox dot ru
2020-07-02 6:58 ` slyfox at inbox dot ru
2020-07-02 7:58 ` marxin at gcc dot gnu.org
2020-07-02 9:34 ` ebotcazou at gcc dot gnu.org
2020-07-02 17:15 ` slyfox at inbox dot ru
2020-07-02 17:15 ` slyfox at inbox dot ru
2020-07-02 17:16 ` slyfox at inbox dot ru
2020-07-02 20:21 ` slyfox at inbox dot ru
2020-07-02 20:50 ` slyfox at inbox dot ru
2020-07-02 21:35 ` slyfox at inbox dot ru
2020-07-02 22:36 ` slyfox at inbox dot ru
2020-07-02 23:16 ` [Bug rtl-optimization/96015] " ebotcazou at gcc dot gnu.org
2020-07-03 7:19 ` slyfox at inbox dot ru
2020-07-03 7:45 ` marxin at gcc dot gnu.org
2020-07-03 8:23 ` ebotcazou at gcc dot gnu.org
2020-07-03 9:23 ` ebotcazou at gcc dot gnu.org
2020-07-03 17:24 ` slyfox at inbox dot ru
2020-07-03 19:29 ` ebotcazou at gcc dot gnu.org
2020-07-06 20:31 ` law at redhat dot com
2020-07-07 8:09 ` ebotcazou at gcc dot gnu.org
2020-07-08 17:01 ` law at redhat dot com
2020-07-23 6:51 ` rguenth at gcc dot gnu.org
2021-01-14 9:04 ` rguenth at gcc dot gnu.org
2021-01-14 16:33 ` law at redhat dot com
2021-01-14 19:14 ` mikpelinux at gmail dot com
2021-01-15 16:54 ` ebotcazou at gcc dot gnu.org
2021-02-09 18:56 ` cvs-commit at gcc dot gnu.org
2021-02-09 18:59 ` cvs-commit at gcc dot gnu.org
2021-02-09 19:01 ` ebotcazou at gcc dot gnu.org
2021-02-09 20:21 ` dave.anglin at bell dot net
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