Sign Up
Log In
Log In
or
Sign Up
Places
All Projects
Status Monitor
Collapse sidebar
openSUSE:12.2
gcc41
nov277135.diff
Overview
Repositories
Revisions
Requests
Users
Attributes
Meta
File nov277135.diff of Package gcc41
2007-05-08 Andreas Krebbel <krebbel1@de.ibm.com> * loop.c (move_movables): Remove REG_EQUAL notes for conditional invariants as well. * gcc.dg/20070507-1.c: New testcase. Index: gcc/loop.c =================================================================== --- gcc/loop.c (revision 124546) +++ gcc/loop.c (revision 124547) @@ -2561,7 +2561,7 @@ move_movables (struct loop *loop, struct like this as a result of record_jump_cond. */ if ((temp = find_reg_note (i1, REG_EQUAL, NULL_RTX)) - && ! loop_invariant_p (loop, XEXP (temp, 0))) + && loop_invariant_p (loop, XEXP (temp, 0)) != 1) remove_note (i1, temp); } Index: gcc/testsuite/gcc.dg/20070507-1.c =================================================================== --- gcc/testsuite/gcc.dg/20070507-1.c (revision 0) +++ gcc/testsuite/gcc.dg/20070507-1.c (revision 124547) @@ -0,0 +1,103 @@ +/* This failed on s390x due to bug in loop.c. + loop.c failed to remove a REG_EQUAL note when + hoisting an insn from a loop body. */ + +/* { dg-options "-O3 -fPIC" } */ +/* { dg-do run } */ + +typedef __SIZE_TYPE__ size_t; +int memcmp(const void *s1, const void *s2, size_t n); + +typedef struct +{ + char name[30]; + int a; +} LOCAL; + +int global = 0; +int sy = 1; +int subroutine_offset; + +LOCAL local = { "local", 0 }; +LOCAL keywords = { "keywords", 1 }; +int local_table = 0; +int keywords_table = 0; + +void __attribute__((noinline)) bar (char *p_buffer) +{ + p_buffer[255] = 1; +} + +int __attribute__((noinline)) foo (char *p_str1) +{ + global = 1; + return 1; +} + +int __attribute__((noinline)) loop_next (int *p_table, char *p_table_head) +{ + static loop_next = 0; + + if (loop_next == 1) + return 1; + + loop_next = 1; + return 0; +} + +int +main () +{ + char buffer[256]; + int ende = 0; + int index; + int local_base = 2; + + keywords.a = 1; + for (sy = 0;; sy++) + { + for (index = 1;;) + { + bar (buffer); + if (buffer[sy] != 0) + { + ende = 1; + break; + }; + if (foo (buffer)) + { + keywords.a += index - 1; + break; + } + index++; + } + if (ende) + break; + } + + subroutine_offset = 0; + + for (;;) + { + if (loop_next (&keywords_table, (char*)&keywords)) + break; + + if ((!memcmp (keywords.name, "+++", 3))) + local_base = 100; + else + local_base = 0; + + if ((!memcmp (keywords.name, "+++", 3))) + subroutine_offset += local_table; + + for (;;) + { + if (loop_next (&local_table, (char*)&local)) + break;; + if ((local.a == 0)) + continue;; + foo (local.name); + } + } + return 0; +}
Locations
Projects
Search
Status Monitor
Help
OpenBuildService.org
Documentation
API Documentation
Code of Conduct
Contact
Support
@OBShq
Terms
openSUSE Build Service is sponsored by
The Open Build Service is an
openSUSE project
.
Sign Up
Log In
Places
Places
All Projects
Status Monitor