[Bug target/35847] unrecognized option `-march=score7'
--- Comment #1 from liqin at gcc dot gnu dot org 2008-12-25 01:20 --- score binutils will checkin this option soon. -- liqin at gcc dot gnu dot org changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last reconfirmed|-00-00 00:00:00 |2008-12-25 01:20:53 date|| http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35847
[Bug target/35847] unrecognized option `-march=score7'
--- Comment #3 from liqin at gcc dot gnu dot org 2009-08-27 09:17 --- please download new binutils-2.19.51, it already support score7 option. -- liqin at gcc dot gnu dot org changed: What|Removed |Added Status|WAITING |RESOLVED Resolution||FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35847
[Bug target/30987] [4.3 Regression] Problem while compiling gcc for score
--- Comment #5 from liqin at gcc dot gnu dot org 2007-05-09 10:55 --- I will remove the bitclr_c,bitset_c and bittgl_c pattern from misc.md, they have not to many use. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30987
[Bug target/30987] [4.3 Regression] Problem while compiling gcc for score
--- Comment #6 from liqin at gcc dot gnu dot org 2007-05-10 08:18 ---
Index: gcc/config/score/predicates.md
===
--- gcc/config/score/predicates.md (revision 124567)
+++ gcc/config/score/predicates.md (working copy)
@@ -75,14 +75,3 @@
return IMM_IN_RANGE (INTVAL (op), 15, 1);
})
-(define_predicate "const_pow2"
- (match_code "const_int")
-{
- return IMM_IS_POW_OF_2 ((unsigned HOST_WIDE_INT) INTVAL (op), 0, 31);
-})
-
-(define_predicate "const_npow2"
- (match_code "const_int")
-{
- return IMM_IS_POW_OF_2 (~(unsigned HOST_WIDE_INT) INTVAL (op), 0, 31);
-})
Index: gcc/config/score/misc.md
===
--- gcc/config/score/misc.md(revision 124567)
+++ gcc/config/score/misc.md(working copy)
@@ -380,38 +380,3 @@
[(set_attr "type" "arith")
(set_attr "mode" "SI")])
-(define_insn "bitclr_c"
- [(set (match_operand:SI 0 "register_operand" "=e,d")
-(and:SI (match_operand:SI 1 "register_operand" "0,d")
-(match_operand:SI 2 "const_npow2")))
- (clobber (reg:CC CC_REGNUM))]
- ""
- "@
- bitclr!%0, %F2
- bitclr.c %0, %1, %F2"
- [(set_attr "type" "arith")
- (set_attr "mode" "SI")])
-
-(define_insn "bitset_c"
- [(set (match_operand:SI 0 "register_operand" "=e,d")
-(ior:SI (match_operand:SI 1 "register_operand" "0,d")
-(match_operand:SI 2 "const_pow2")))
- (clobber (reg:CC CC_REGNUM))]
- ""
- "@
- bitset!%0, %E2
- bitset.c %0, %1, %E2"
- [(set_attr "type" "arith")
- (set_attr "mode" "SI")])
-
-(define_insn "bittgl_c"
- [(set (match_operand:SI 0 "register_operand" "=e,d")
-(xor:SI (match_operand:SI 1 "register_operand" "0,d")
-(match_operand:SI 2 "const_pow2")))
- (clobber (reg:CC CC_REGNUM))]
- ""
- "@
- bittgl!%0, %E2
- bittgl.c %0, %1, %E2"
- [(set_attr "type" "arith")
- (set_attr "mode" "SI")])
--
liqin at gcc dot gnu dot org changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|-00-00 00:00:00 |2007-05-10 08:18:55
date||
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30987
[Bug target/30474] Bad 16bit constant code generation on 64bit host
--- Comment #1 from liqin at gcc dot gnu dot org 2007-05-10 08:21 ---
Index: gcc/config/score/score.c
===
--- gcc/config/score/score.c(revision 124567)
+++ gcc/config/score/score.c(working copy)
@@ -1167,7 +1167,7 @@ score_print_operand (FILE *file, rtx op,
{
gcc_assert (code == CONST_INT);
fprintf (file, HOST_WIDE_INT_PRINT_HEX,
- (unsigned HOST_WIDE_INT) INTVAL (op) >> 16);
+ (INTVAL (op) >> 16) & 0x);
}
else if (c == 'D')
{
@@ -1175,7 +1175,7 @@ score_print_operand (FILE *file, rtx op,
{
rtx temp = gen_lowpart (SImode, op);
gcc_assert (GET_MODE (op) == SFmode);
- fprintf (file, HOST_WIDE_INT_PRINT_HEX, INTVAL (temp));
+ fprintf (file, HOST_WIDE_INT_PRINT_HEX, INTVAL (temp) & 0x);
}
else
output_addr_const (file, op);
--
liqin at gcc dot gnu dot org changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|-00-00 00:00:00 |2007-05-10 08:21:37
date||
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30474
[Bug target/30474] Bad 16bit constant code generation on 64bit host
--- Comment #2 from liqin at gcc dot gnu dot org 2007-05-23 06:50 --- Subject: Bug 30474 Author: liqin Date: Wed May 23 05:49:50 2007 New Revision: 124980 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=124980 Log: 2007-05-23 Chen Liqin <[EMAIL PROTECTED]> PR target/30987 * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): remove. * config/score/predicate.md (const_pow2, const_npow2): remove. * config/score/score.h (ASM_OUTPUT_EXTERNAL): add ASM_OUTPUT_EXTERNAL undef. PR target/30474 * config/score/score.c (score_print_operand): makes sure that only lower bits are used. Modified: branches/gcc-4_2-branch/gcc/ChangeLog branches/gcc-4_2-branch/gcc/config/score/misc.md branches/gcc-4_2-branch/gcc/config/score/predicates.md branches/gcc-4_2-branch/gcc/config/score/score.c branches/gcc-4_2-branch/gcc/config/score/score.h -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30474
[Bug target/30987] [4.3 Regression] Problem while compiling gcc for score
--- Comment #7 from liqin at gcc dot gnu dot org 2007-05-23 06:50 --- Subject: Bug 30987 Author: liqin Date: Wed May 23 05:49:50 2007 New Revision: 124980 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=124980 Log: 2007-05-23 Chen Liqin <[EMAIL PROTECTED]> PR target/30987 * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): remove. * config/score/predicate.md (const_pow2, const_npow2): remove. * config/score/score.h (ASM_OUTPUT_EXTERNAL): add ASM_OUTPUT_EXTERNAL undef. PR target/30474 * config/score/score.c (score_print_operand): makes sure that only lower bits are used. Modified: branches/gcc-4_2-branch/gcc/ChangeLog branches/gcc-4_2-branch/gcc/config/score/misc.md branches/gcc-4_2-branch/gcc/config/score/predicates.md branches/gcc-4_2-branch/gcc/config/score/score.c branches/gcc-4_2-branch/gcc/config/score/score.h -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30987
[Bug target/30474] Bad 16bit constant code generation on 64bit host
--- Comment #3 from liqin at gcc dot gnu dot org 2007-05-23 07:09 --- Subject: Bug 30474 Author: liqin Date: Wed May 23 06:09:20 2007 New Revision: 124983 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=124983 Log: 2007-05-23 Chen Liqin <[EMAIL PROTECTED]> PR target/30987 * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): remove. * config/score/predicate.md (const_pow2, const_npow2): remove. * config/score/score.h (ASM_OUTPUT_EXTERNAL): add ASM_OUTPUT_EXTERNAL undef. PR target/30474 * config/score/score.c (score_print_operand): makes sure that only lower bits are used. Modified: trunk/gcc/ChangeLog trunk/gcc/config/score/misc.md trunk/gcc/config/score/predicates.md trunk/gcc/config/score/score.c trunk/gcc/config/score/score.h -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30474
[Bug target/30987] [4.3 Regression] Problem while compiling gcc for score
--- Comment #8 from liqin at gcc dot gnu dot org 2007-05-23 07:09 --- Subject: Bug 30987 Author: liqin Date: Wed May 23 06:09:20 2007 New Revision: 124983 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=124983 Log: 2007-05-23 Chen Liqin <[EMAIL PROTECTED]> PR target/30987 * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): remove. * config/score/predicate.md (const_pow2, const_npow2): remove. * config/score/score.h (ASM_OUTPUT_EXTERNAL): add ASM_OUTPUT_EXTERNAL undef. PR target/30474 * config/score/score.c (score_print_operand): makes sure that only lower bits are used. Modified: trunk/gcc/ChangeLog trunk/gcc/config/score/misc.md trunk/gcc/config/score/predicates.md trunk/gcc/config/score/score.c trunk/gcc/config/score/score.h -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30987
[Bug target/30987] [4.3 Regression] Problem while compiling gcc for score
--- Comment #9 from liqin at gcc dot gnu dot org 2007-05-23 07:31 --- * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): remove. * config/score/predicate.md (const_pow2, const_npow2): remove. -- liqin at gcc dot gnu dot org changed: What|Removed |Added Status|NEW |RESOLVED Resolution||FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30987
[Bug target/30474] Bad 16bit constant code generation on 64bit host
--- Comment #4 from liqin at gcc dot gnu dot org 2007-05-23 07:35 --- * config/score/score.c (score_print_operand): makes sure that only lower bits are used. -- liqin at gcc dot gnu dot org changed: What|Removed |Added Status|NEW |RESOLVED Resolution||FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30474
[Bug c/32079] New: [4.2 Regression] there seems to be a gcc optimization problem.
below c code will get "false" at -O0, -O1, -O3,
and get "true" at -O2, -Os.
#include
typedef struct {
int aa;
int bb;
} test;
//test t1;
void foo (test **pp)
{
if (((*pp)->bb != 0) && (*pp))
printf ("true\n");
else
printf ("false\n");
printf ("finished.\n");
}
int main (void)
{
test *p;
p = NULL;
foo (&p);
return 0;
}
--
Summary: [4.2 Regression] there seems to be a gcc optimization
problem.
Product: gcc
Version: 4.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: liqin at gcc dot gnu dot org
GCC build triplet: i686-pc-linux-gnu
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: arm-elf
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32079
