Launchpad has imported 29 comments from the remote bug at https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42542.
If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://documentation.ubuntu.com/launchpad/user/reference/bugs/multi-project-bugs/about-multi-project-bugs/#bugs-in-external-trackers. ------------------------------------------------------------------------ On 2009-12-29T16:11:12+00:00 Debian GCC maintainers wrote: seen at least on x86_64. bug submitter writes: g++ appears to be (incorrectly) using a signed int comparison when -O3 optimization is enabled. Compiling with -O2 or lower produces the correct output. #include <numeric> #include <iostream> template <typename T> struct maximum { T operator()(T& a, T& b) { return (a < b) ? b : a; } }; int main(void) { typedef unsigned int T; T data[13] = {2411691434, 187758716, 2874577865, 1532192406, 850395381, 3670100461, 1052104929, 352534891, 1000719294, 2219234747, 4264598888, 4166615811, 1898580612}; T init = 0; T result = std::accumulate(data, data + 13, init, maximum<T>()); std::cout << result << std::endl; return 0; } $ g++ -O2 -Wall bug.cpp && ./a.out 4264598888 g++ -O3 -Wall bug.cpp && ./a.out 1898580612 Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/4 ------------------------------------------------------------------------ On 2009-12-29T19:41:02+00:00 Hjl-tools wrote: With -Wall, icc 11.1 complains: pr42542.cc(10): remark #981: operands are evaluated in unspecified order return (a < b) ? b : a; ^ detected during instantiation of "_Tp std::accumulate(_InputIterator, _InputIterator, _Tp, _BinaryOperation) [with _InputIterator=unsigned int *, _Tp=unsigned int, _BinaryOperation=maximum<unsigned int>]" at line 25 Add "-fno-tree-vectorize" generates the correct result. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/5 ------------------------------------------------------------------------ On 2009-12-29T19:44:03+00:00 Hjl-tools wrote: Add "-ftree-vectorize" will cause it to fail. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/6 ------------------------------------------------------------------------ On 2009-12-29T19:45:26+00:00 Hjl-tools wrote: It could be a target issue. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/7 ------------------------------------------------------------------------ On 2009-12-29T19:51:55+00:00 Hjl-tools wrote: There are no unsigned integer vector compare insns on x86. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/8 ------------------------------------------------------------------------ On 2009-12-29T20:48:05+00:00 Hjl-tools wrote: "-ftree-vectorize -msse4" works fine since it generates pmaxud in SSE4.1. It seems that gcc doesn't properly emulate pmaxud. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/9 ------------------------------------------------------------------------ On 2009-12-29T20:52:12+00:00 Hjl-tools wrote: The bug may be in "umaxv4si3" pattern. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/10 ------------------------------------------------------------------------ On 2009-12-29T21:40:08+00:00 Hjl-tools wrote: Here is a testcase in C: [hjl@gnu-6 tmp]$ cat y.c unsigned int foo[] __attribute__ ((aligned(16))) = { 0x80000000, 1, 0xa0000000, 2, 3, 0xd0000000, 0xf0000000, 0xe0000000 }; unsigned int bar[] __attribute__ ((aligned(16))) = { 4, 0xb0000000, 5, 0xc0000000, 0xd0000000, 6, 7, 8 }; unsigned int val[] = { 0x80000000, 0xb0000000, 0xa0000000, 0xc0000000, 0xd0000000, 0xd0000000, 0xf0000000, 0xe0000000 }; extern void abort (); void xxxx () { int i; for (i = 0; i < 8; i++) foo[i] = foo[i] < bar [i] ? bar [i] : foo[i]; } int main () { int i; xxxx (); for (i = 0; i < 8; i++) if (val[i] != foo[i]) abort (); return 0; } [hjl@gnu-6 tmp]$ gcc /tmp/y.c -O2 -ftree-vectorize [hjl@gnu-6 tmp]$ ./a.out Aborted (core dumped) [hjl@gnu-6 tmp]$ Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/11 ------------------------------------------------------------------------ On 2009-12-29T23:50:01+00:00 Hjl-tools wrote: Created attachment 19420 A patch I don't see how we can easily check unsigned underflow in vector integer subtraction. This patch simply disables it. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/12 ------------------------------------------------------------------------ On 2009-12-30T04:47:32+00:00 Hjl-tools wrote: Hi Richard, the code in question is added by http://gcc.gnu.org/ml/gcc-patches/2005-06/msg02185.html I don't quite understand how it can properly handle unsigned V4SI underflow in V4SI vector subtraction. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/13 ------------------------------------------------------------------------ On 2009-12-30T04:49:20+00:00 Hjl-tools wrote: Created attachment 19422 An updated patch I am testing this patch now. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/14 ------------------------------------------------------------------------ On 2009-12-30T15:50:16+00:00 Hjl-tools wrote: A patch is posted at http://gcc.gnu.org/ml/gcc-patches/2009-12/msg01208.html Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/15 ------------------------------------------------------------------------ On 2010-01-04T15:14:51+00:00 Hjl-0 wrote: Subject: Bug 42542 Author: hjl Date: Mon Jan 4 15:14:31 2010 New Revision: 155618 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155618 Log: Don't convert GTU to GT for V4SI and V2DI gcc/ 2010-01-04 H.J. Lu <[email protected]> PR target/42542 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert GTU to GT for V4SI and V2DI. * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP. (umin<mode>3): Removed. (uminv8hi3): New. (uminv4si3): Likewise. gcc/testsuite/ 2010-01-04 H.J. Lu <[email protected]> PR target/42542 * gcc.target/i386/pr42542-1.c: New. * gcc.target/i386/pr42542-1a.c: Likewise. * gcc.target/i386/pr42542-1b.c: Likewise. * gcc.target/i386/pr42542-2.c: Likewise. * gcc.target/i386/pr42542-2a.c: Likewise. * gcc.target/i386/pr42542-2b.c: Likewise. * gcc.target/i386/pr42542-3.c: Likewise. * gcc.target/i386/pr42542-3a.c: Likewise. Added: trunk/gcc/testsuite/gcc.target/i386/pr42542-1.c trunk/gcc/testsuite/gcc.target/i386/pr42542-1a.c trunk/gcc/testsuite/gcc.target/i386/pr42542-1b.c trunk/gcc/testsuite/gcc.target/i386/pr42542-2.c trunk/gcc/testsuite/gcc.target/i386/pr42542-2a.c trunk/gcc/testsuite/gcc.target/i386/pr42542-2b.c trunk/gcc/testsuite/gcc.target/i386/pr42542-3.c trunk/gcc/testsuite/gcc.target/i386/pr42542-3a.c Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/i386.c trunk/gcc/config/i386/sse.md trunk/gcc/testsuite/ChangeLog Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/16 ------------------------------------------------------------------------ On 2010-01-05T20:44:28+00:00 Hjl-0 wrote: Subject: Bug 42542 Author: hjl Date: Tue Jan 5 20:44:14 2010 New Revision: 155660 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155660 Log: Properly convert GTU to GT for V4SI and V2DI gcc/ 2010-01-05 Paolo Bonzini <[email protected]> H.J. Lu <[email protected]> PR target/42542 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both operands to make them signed. * config/i386/sse.md (umaxv4si3): Revert the last change. (umin<mode>3): Likewise. (uminv8hi3): Removed. (uminv4si3): Likewise. gcc/testsuite/ 2010-01-05 H.J. Lu <[email protected]> * gcc.target/i386/pr42542-1.c (res): Make it 8 elements. Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/i386.c trunk/gcc/config/i386/sse.md trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.target/i386/pr42542-1.c Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/17 ------------------------------------------------------------------------ On 2010-01-05T23:53:44+00:00 Hjl-0 wrote: Subject: Bug 42542 Author: hjl Date: Tue Jan 5 23:53:29 2010 New Revision: 155666 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155666 Log: Add smaxv2di3, umaxv2di3, sminv2di3 and uminv2di3 gcc/ 2010-01-05 H.J. Lu <[email protected]> PR target/42542 * config/i386/sse.md (smaxv2di3): New. (umaxv2di3): Likewise. (sminv2di3): Likewise. (uminv2di3): Likewise. gcc/testsuite/ 2010-01-05 H.J. Lu <[email protected]> PR target/42542 * gcc.target/i386/pr42542-4.c: New. * gcc.target/i386/pr42542-4a.c: Likewise. * gcc.target/i386/pr42542-5.c: Likewise. * gcc.target/i386/pr42542-5a.c: Likewise. Added: trunk/gcc/testsuite/gcc.target/i386/pr42542-4.c trunk/gcc/testsuite/gcc.target/i386/pr42542-4a.c trunk/gcc/testsuite/gcc.target/i386/pr42542-5.c trunk/gcc/testsuite/gcc.target/i386/pr42542-5a.c Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/sse.md trunk/gcc/testsuite/ChangeLog Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/18 ------------------------------------------------------------------------ On 2010-01-06T08:55:17+00:00 Sezeroz wrote: Can we expect a 4.4 backport for this, at least in the ix86/4.4 branch if not in the main 4.4 branch? Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/19 ------------------------------------------------------------------------ On 2010-01-06T14:59:19+00:00 Hjl-tools wrote: (In reply to comment #15) > Can we expect a 4.4 backport for this, at least in the ix86/4.4 branch if not > in the main 4.4 branch? > It will be backported to 4.3/4.4 in a few days. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/20 ------------------------------------------------------------------------ On 2010-01-07T19:55:55+00:00 Hjl-0 wrote: Subject: Bug 42542 Author: hjl Date: Thu Jan 7 19:55:44 2010 New Revision: 155707 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155707 Log: Properly convert GTU to GT for V4SI and V2DI gcc/ 2010-01-07 H.J. Lu <[email protected]> Backport from mainline 2010-01-05 Paolo Bonzini <[email protected]> H.J. Lu <[email protected]> PR target/42542 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both operands to make them signed. gcc/testsuite/ 2010-01-07 H.J. Lu <[email protected]> Backport from mainline 2010-01-05 H.J. Lu <[email protected]> PR target/42542 * gcc.target/i386/pr42542-1.c: New. * gcc.target/i386/pr42542-1a.c: Likewise. * gcc.target/i386/pr42542-1b.c: Likewise. * gcc.target/i386/pr42542-2.c: Likewise. * gcc.target/i386/pr42542-2a.c: Likewise. * gcc.target/i386/pr42542-2b.c: Likewise. * gcc.target/i386/pr42542-3.c: Likewise. * gcc.target/i386/pr42542-3a.c: Likewise. Added: branches/gcc-4_4-branch/gcc/testsuite/gcc.target/i386/pr42542-1.c branches/gcc-4_4-branch/gcc/testsuite/gcc.target/i386/pr42542-1a.c branches/gcc-4_4-branch/gcc/testsuite/gcc.target/i386/pr42542-1b.c branches/gcc-4_4-branch/gcc/testsuite/gcc.target/i386/pr42542-2.c branches/gcc-4_4-branch/gcc/testsuite/gcc.target/i386/pr42542-2a.c branches/gcc-4_4-branch/gcc/testsuite/gcc.target/i386/pr42542-2b.c branches/gcc-4_4-branch/gcc/testsuite/gcc.target/i386/pr42542-3.c branches/gcc-4_4-branch/gcc/testsuite/gcc.target/i386/pr42542-3a.c Modified: branches/gcc-4_4-branch/gcc/ChangeLog branches/gcc-4_4-branch/gcc/config/i386/i386.c branches/gcc-4_4-branch/gcc/testsuite/ChangeLog Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/21 ------------------------------------------------------------------------ On 2010-01-07T19:58:26+00:00 Hjl-0 wrote: Subject: Bug 42542 Author: hjl Date: Thu Jan 7 19:58:16 2010 New Revision: 155709 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155709 Log: Properly convert GTU to GT for V4SI and V2DI gcc/ 2010-01-07 H.J. Lu <[email protected]> Backport from mainline 2010-01-05 Paolo Bonzini <[email protected]> H.J. Lu <[email protected]> PR target/42542 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both operands to make them signed. gcc/testsuite/ 2010-01-07 H.J. Lu <[email protected]> Backport from mainline 2010-01-05 H.J. Lu <[email protected]> PR target/42542 * gcc.target/i386/pr42542-1.c: New. * gcc.target/i386/pr42542-1a.c: Likewise. * gcc.target/i386/pr42542-1b.c: Likewise. * gcc.target/i386/pr42542-2.c: Likewise. * gcc.target/i386/pr42542-2a.c: Likewise. * gcc.target/i386/pr42542-2b.c: Likewise. * gcc.target/i386/pr42542-3.c: Likewise. * gcc.target/i386/pr42542-3a.c: Likewise. Added: branches/gcc-4_3-branch/gcc/testsuite/gcc.target/i386/pr42542-1.c branches/gcc-4_3-branch/gcc/testsuite/gcc.target/i386/pr42542-1a.c branches/gcc-4_3-branch/gcc/testsuite/gcc.target/i386/pr42542-1b.c branches/gcc-4_3-branch/gcc/testsuite/gcc.target/i386/pr42542-2.c branches/gcc-4_3-branch/gcc/testsuite/gcc.target/i386/pr42542-2a.c branches/gcc-4_3-branch/gcc/testsuite/gcc.target/i386/pr42542-2b.c branches/gcc-4_3-branch/gcc/testsuite/gcc.target/i386/pr42542-3.c branches/gcc-4_3-branch/gcc/testsuite/gcc.target/i386/pr42542-3a.c Modified: branches/gcc-4_3-branch/gcc/ChangeLog branches/gcc-4_3-branch/gcc/config/i386/i386.c branches/gcc-4_3-branch/gcc/testsuite/ChangeLog Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/22 ------------------------------------------------------------------------ On 2010-01-07T20:00:12+00:00 Hjl-tools wrote: Fixed. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/23 ------------------------------------------------------------------------ On 2010-01-08T07:48:33+00:00 Ubizjak wrote: According to http://gcc.gnu.org/ml/gcc-patches/2010-01/msg00213.html, ia64 should be fixed in the same way as x86. The wrong code is located in ia64/ia64.c ia64_expand_vecint_compare, around line 1730. Correct code is in i386/i386.c ix86_expand_int_vcond, around line 16250. So, adding ia64 maintainer to CC and reopening PR as ia64 target bug. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/24 ------------------------------------------------------------------------ On 2010-01-11T23:32:32+00:00 Steve Ellcey wrote: Created attachment 19544 ia64 patch (fixes int, not short or char) Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/26 ------------------------------------------------------------------------ On 2010-01-11T23:33:00+00:00 Steve Ellcey wrote: I am looking at this on IA64 and fixing it for V2SI seems simple enough. I will attach a patch. But I am not sure what to do for V4HI and V8QI. The current code uses an 'unsigned saturating subtraction' and that seems to be what x86 is using for V16QI and V8HI. But when I run pr42542-2.c and pr42542-3.c (short and char) on IA64 they fail. My patch does make pr42542-1.c (int) work. I tried handling V4HI and V8QI in the same way as V2SI but that didn't seem to work either. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/27 ------------------------------------------------------------------------ On 2010-01-12T00:41:22+00:00 Hjl-tools wrote: (In reply to comment #22) > I am looking at this on IA64 and fixing it for V2SI seems simple enough. > I will attach a patch. But I am not sure what to do for V4HI and V8QI. > The current code uses an 'unsigned saturating subtraction' and that > seems to be what x86 is using for V16QI and V8HI. But when I run > pr42542-2.c and pr42542-3.c (short and char) on IA64 they fail. My > patch does make pr42542-1.c (int) work. I tried handling V4HI and V8QI > in the same way as V2SI but that didn't seem to work either. > What was the problem with V4HI and V8QI? The existing code works OK on pr42542-2.c and pr42542-3.c for me. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/28 ------------------------------------------------------------------------ On 2010-01-12T00:58:07+00:00 Steve Ellcey wrote: Never mind, when I copied (and modified) the x86 tests for ia64 I forgot to put a 'return 0' at the end of the main program so I was getting a non-zero exit. I will test my patch tonight and if all looks good submit it tomorrow. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/29 ------------------------------------------------------------------------ On 2010-01-17T18:52:12+00:00 Hjl-0 wrote: Subject: Bug 42542 Author: hjl Date: Sun Jan 17 18:51:47 2010 New Revision: 155988 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155988 Log: Backport ia64 fix for PR target/42542 from mainline. gcc/ 2010-01-17 H.J. Lu <[email protected]> Backport from mainline: 2010-01-13 Steve Ellcey <[email protected]> PR target/42542 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT for V2SI by subtracting (-(INT MAX) - 1) from both operands to make them signed. gcc/testsuite/ 2010-01-17 H.J. Lu <[email protected]> Backport from mainline: 2010-01-13 Steve Ellcey <[email protected]> PR target/42542 * gcc.target/ia64/pr42542-1.c: New. * gcc.target/ia64/pr42542-2.c: New. * gcc.target/ia64/pr42542-3.c: New. Added: branches/ix86/gcc-4_4-branch/gcc/testsuite/gcc.target/ia64/pr42542-1.c - copied unchanged from r155987, trunk/gcc/testsuite/gcc.target/ia64/pr42542-1.c branches/ix86/gcc-4_4-branch/gcc/testsuite/gcc.target/ia64/pr42542-2.c - copied unchanged from r155987, trunk/gcc/testsuite/gcc.target/ia64/pr42542-2.c branches/ix86/gcc-4_4-branch/gcc/testsuite/gcc.target/ia64/pr42542-3.c - copied unchanged from r155987, trunk/gcc/testsuite/gcc.target/ia64/pr42542-3.c Modified: branches/ix86/gcc-4_4-branch/gcc/ChangeLog branches/ix86/gcc-4_4-branch/gcc/config/ia64/ia64.c branches/ix86/gcc-4_4-branch/gcc/testsuite/ChangeLog Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/31 ------------------------------------------------------------------------ On 2010-01-17T18:55:13+00:00 Hjl-0 wrote: Subject: Bug 42542 Author: hjl Date: Sun Jan 17 18:55:03 2010 New Revision: 155989 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155989 Log: Backport ia64 fix for PR target/42542 from mainline. gcc/ 2010-01-17 H.J. Lu <[email protected]> Backport from mainline: 2010-01-13 Steve Ellcey <[email protected]> PR target/42542 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT for V2SI by subtracting (-(INT MAX) - 1) from both operands to make them signed. gcc/testsuite/ 2010-01-17 H.J. Lu <[email protected]> Backport from mainline: 2010-01-13 Steve Ellcey <[email protected]> PR target/42542 * gcc.target/ia64/pr42542-1.c: New. * gcc.target/ia64/pr42542-2.c: New. * gcc.target/ia64/pr42542-3.c: New. Added: branches/gcc-4_3-branch/gcc/testsuite/gcc.target/ia64/pr42542-1.c - copied unchanged from r155988, trunk/gcc/testsuite/gcc.target/ia64/pr42542-1.c branches/gcc-4_3-branch/gcc/testsuite/gcc.target/ia64/pr42542-2.c - copied unchanged from r155988, trunk/gcc/testsuite/gcc.target/ia64/pr42542-2.c branches/gcc-4_3-branch/gcc/testsuite/gcc.target/ia64/pr42542-3.c - copied unchanged from r155988, trunk/gcc/testsuite/gcc.target/ia64/pr42542-3.c Modified: branches/gcc-4_3-branch/gcc/ChangeLog branches/gcc-4_3-branch/gcc/config/ia64/ia64.c branches/gcc-4_3-branch/gcc/testsuite/ChangeLog Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/32 ------------------------------------------------------------------------ On 2010-01-17T18:57:46+00:00 Hjl-0 wrote: Subject: Bug 42542 Author: hjl Date: Sun Jan 17 18:57:33 2010 New Revision: 155990 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155990 Log: Backport ia64 fix for PR target/42542 from mainline. gcc/ 2010-01-17 H.J. Lu <[email protected]> Backport from mainline: 2010-01-13 Steve Ellcey <[email protected]> PR target/42542 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT for V2SI by subtracting (-(INT MAX) - 1) from both operands to make them signed. gcc/testsuite/ 2010-01-17 H.J. Lu <[email protected]> Backport from mainline: 2010-01-13 Steve Ellcey <[email protected]> PR target/42542 * gcc.target/ia64/pr42542-1.c: New. * gcc.target/ia64/pr42542-2.c: New. * gcc.target/ia64/pr42542-3.c: New. Added: branches/gcc-4_4-branch/gcc/testsuite/gcc.target/ia64/pr42542-1.c - copied unchanged from r155989, trunk/gcc/testsuite/gcc.target/ia64/pr42542-1.c branches/gcc-4_4-branch/gcc/testsuite/gcc.target/ia64/pr42542-2.c - copied unchanged from r155989, trunk/gcc/testsuite/gcc.target/ia64/pr42542-2.c branches/gcc-4_4-branch/gcc/testsuite/gcc.target/ia64/pr42542-3.c - copied unchanged from r155989, trunk/gcc/testsuite/gcc.target/ia64/pr42542-3.c Modified: branches/gcc-4_4-branch/gcc/ChangeLog branches/gcc-4_4-branch/gcc/config/ia64/ia64.c branches/gcc-4_4-branch/gcc/testsuite/ChangeLog Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/33 ------------------------------------------------------------------------ On 2010-01-17T19:00:22+00:00 Hjl-tools wrote: Fixed. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/403744/comments/34 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/403744 Title: [PR42542] g++ -O3 produces incorrect results for less-than operator To manage notifications about this bug go to: https://bugs.launchpad.net/gcc/+bug/403744/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
