https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65064
Bug ID: 65064
Summary: [5.0 regression] FAIL: gcc.dg/torture/pr60115.c -O1
(test for excess errors)
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: sch...@linux-m68k.org
CC: hjl at gcc dot gnu.org, rth at gcc dot gnu.org
Target: ia64-*-*
$ gcc/xgcc -B gcc/ ../gcc/testsuite/gcc.dg/torture/pr60115.c -O
/usr/ia64-suse-linux/bin/ld: a.out: __gp does not cover short data segment
collect2: error: ld returned 1 exit status
Broken by r220674.
--- gcc-20150213/Build/pr60115.s 2015-02-14 21:36:37.000000000 +0100
+++ gcc-20150214/Build/pr60115.s 2015-02-14 21:35:30.000000000 +0100
@@ -7,22 +7,20 @@
.proc main#
main:
.prologue
- .save ar.lc, r3
- mov r3 = ar.lc
+ .save ar.lc, r2
+ mov r2 = ar.lc
.body
[.L2:]
- addl r14 = @ltoffx(a#), r1
- ;;
- ld8.mov r14 = [r14], a#
+ addl r14 = @gprel(a#), gp
;;
ld4 r14 = [r14]
;;
cmp4.eq p6, p7 = 0, r14
- addl r2 = @ltoffx(b#), r1
+ addl r16 = @ltoffx(b#+32768), r1
;;
- ld8.mov r2 = [r2], b#
+ ld8.mov r16 = [r16], b#+32768
;;
- addl r16 = 40000, r2
+ adds r16 = 7232, r16
.L4:
.pred.rel.mutex p6, p7
(p6) br.cond.dpnt .L3
@@ -40,17 +38,15 @@
adds r14 = -1, r14
;;
br.cloop.sptk.few .L6
- addl r14 = @ltoffx(a#), r1
- ;;
- ld8.mov r14 = [r14], a#
+ addl r14 = @gprel(a#), gp
;;
st4 [r14] = r0
.L3:
mov r8 = r0
- mov ar.lc = r3
+ mov ar.lc = r2
br.ret.sptk.many b0
;;
.endp main#
.common b#,8,4
.common a#,4,4
- .ident "GCC: (GNU) 5.0.0 20150213 (experimental) [trunk revision
220673]"
+ .ident "GCC: (GNU) 5.0.0 20150214 (experimental) [trunk revision
220705]"
