[Bug middle-end/91708] [10 regression][ARM] Bootstrap fails in gen_movsi, at config/arm/arm.md:5258

2020-01-17 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91708 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug middle-end/91708] [10 regression][ARM] Bootstrap fails in gen_movsi, at config/arm/arm.md:5258

2019-09-18 Thread wilco at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91708 --- Comment #22 from Wilco --- (In reply to Richard Earnshaw from comment #21) > But dropping in a char* will give a more restrictive alias set, so that > isn't wrong, even if it is suboptimal The alias set could be anything given CSE changes

[Bug middle-end/91708] [10 regression][ARM] Bootstrap fails in gen_movsi, at config/arm/arm.md:5258

2019-09-18 Thread rearnsha at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91708 --- Comment #21 from Richard Earnshaw --- But dropping in a char* will give a more restrictive alias set, so that isn't wrong, even if it is suboptimal

[Bug middle-end/91708] [10 regression][ARM] Bootstrap fails in gen_movsi, at config/arm/arm.md:5258

2019-09-18 Thread wilco at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91708 --- Comment #20 from Wilco --- (In reply to Richard Earnshaw from comment #19) > (In reply to Wilco from comment #18) > > (In reply to Richard Earnshaw from comment #17) > > > So do we have a testcase that shows the problem on older compilers? >

[Bug middle-end/91708] [10 regression][ARM] Bootstrap fails in gen_movsi, at config/arm/arm.md:5258

2019-09-18 Thread rearnsha at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91708 --- Comment #19 from Richard Earnshaw --- (In reply to Wilco from comment #18) > (In reply to Richard Earnshaw from comment #17) > > So do we have a testcase that shows the problem on older compilers? > > Yes, the same testcase shows the same

[Bug middle-end/91708] [10 regression][ARM] Bootstrap fails in gen_movsi, at config/arm/arm.md:5258

2019-09-17 Thread wilco at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91708 --- Comment #18 from Wilco --- (In reply to Richard Earnshaw from comment #17) > So do we have a testcase that shows the problem on older compilers? Yes, the same testcase shows the same incorrect substitution in older compilers. I tried GCC9,

[Bug middle-end/91708] [10 regression][ARM] Bootstrap fails in gen_movsi, at config/arm/arm.md:5258

2019-09-17 Thread rearnsha at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91708 --- Comment #17 from Richard Earnshaw --- So do we have a testcase that shows the problem on older compilers?

[Bug middle-end/91708] [10 regression][ARM] Bootstrap fails in gen_movsi, at config/arm/arm.md:5258

2019-09-17 Thread wilco at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91708 --- Comment #16 from Wilco --- (In reply to Richard Earnshaw from comment #15) > So is this now fixed? On trunk yes. This is quite a nasty alias bug in CSE, so it will need to be backported.

[Bug middle-end/91708] [10 regression][ARM] Bootstrap fails in gen_movsi, at config/arm/arm.md:5258

2019-09-17 Thread rearnsha at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91708 --- Comment #15 from Richard Earnshaw --- So is this now fixed?

[Bug middle-end/91708] [10 regression][ARM] Bootstrap fails in gen_movsi, at config/arm/arm.md:5258

2019-09-13 Thread edlinger at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91708 --- Comment #14 from Bernd Edlinger --- Author: edlinger Date: Fri Sep 13 17:22:04 2019 New Revision: 275701 URL: https://gcc.gnu.org/viewcvs?rev=275701=gcc=rev Log: 2019-09-13 Bernd Edlinger PR middle-end/91708 * cse.c

[Bug middle-end/91708] [10 regression][ARM] Bootstrap fails in gen_movsi, at config/arm/arm.md:5258

2019-09-10 Thread edlinger at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91708 Bernd Edlinger changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|