[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 Patrick O'Neill changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 Patrick O'Neill changed: What|Removed |Added Attachment #56794|0 |1 is obsolete|

[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 Patrick O'Neill changed: What|Removed |Added Attachment #56700|0 |1 is obsolete|

[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 --- Comment #17 from Li Pan --- (In reply to Robin Dapp from comment #15) > Does the =m fix your issue? Or is the code gen different then and we're > just lucky? For my problem it doesn't help because we still don't recognize > an alias

[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 Patrick O'Neill changed: What|Removed |Added Attachment #56661|0 |1 is obsolete|

[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 --- Comment #15 from Robin Dapp --- Does the =m fix your issue? Or is the code gen different then and we're just lucky? For my problem it doesn't help because we still don't recognize an alias between load and store and the load is moved.

[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 --- Comment #14 from Li Pan --- The below diff similar to the x86 workaround looks not working, unless we change the `+m` to `=m`. But I don't fully test the impact of this change except the case itself. diff --git a/gcc/config/riscv/riscv.md

[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 --- Comment #13 from Robin Dapp --- It looks like the takeaway from the other thread is that there are many likewise assumptions about masked stores in the middle end. It's probably difficult to get them all right in a short time. Therefore I

[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 --- Comment #12 from Li Pan --- Hi Robin, Do you have any ideas about the possible fix for this issue? The x86 backend has one workaround for this issue as below.

[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 --- Comment #11 from Robin Dapp --- On Friday I looked into one of the Fortran fails, class_67.f90 and debugged it independently without reading here further. It is also due to the same reason - alias analysis finds that the predicated store

[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 --- Comment #10 from Li Pan --- Link to one similar issue as below. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110237

[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 --- Comment #9 from Li Pan --- Before tracer - ENTRY | +---+ | B2 |

[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 --- Comment #8 from Li Pan --- For gcc.dg/torture/pr58955-2.c, we can simply reproduce it by options Pass when: -O3 Pass when: -O3 -ftracer -fno-schedule-insns -fno-schedule-insns2 Fail when: -O3 -ftracer -fno-schedule-insns2 10154:

[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 --- Comment #7 from CVS Commits --- The master branch has been updated by Pan Li : https://gcc.gnu.org/g:de6f3e12bd188fee30bc79a5e323e16e0dbbe8ca commit r14-5755-gde6f3e12bd188fee30bc79a5e323e16e0dbbe8ca Author: Juzhe-Zhong Date: Wed Nov

[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 --- Comment #6 from JuzheZhong --- Hi, there are these following run FAILs left on RV32/RV64 C/C++: after this patch fix: https://gcc.gnu.org/pipermail/gcc-patches/2023-November/637753.html FAIL: gcc.dg/vect/pr65518.c -flto -ffat-lto-objects

[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 --- Comment #5 from CVS Commits --- The trunk branch has been updated by Lehua Ding : https://gcc.gnu.org/g:d13e59b86c5cbeec6135ada3f6dc983289cac610 commit r14-5748-gd13e59b86c5cbeec6135ada3f6dc983289cac610 Author: Juzhe-Zhong Date: Wed

[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 Patrick O'Neill changed: What|Removed |Added Attachment #56625|0 |1 is obsolete|

[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 --- Comment #3 from CVS Commits --- The master branch has been updated by Pan Li : https://gcc.gnu.org/g:8faae311a60a552ed3d506de28c50c77fa49b229 commit r14-5677-g8faae311a60a552ed3d506de28c50c77fa49b229 Author: Juzhe-Zhong Date: Tue Nov

[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 --- Comment #2 from JuzheZhong --- Since zvl128b and zvl256b bug fix are done. So I am gonna work on zvl512b now.

[Bug target/112598] RISC-V regression testsuite errors with rv64gcv_zvl512b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 --- Comment #1 from Patrick O'Neill --- Related issues: 128: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112583 256: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112597 512: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112598 1024: