[Bug target/55522] -funsafe-math-optimizations is unexpectedly harmful, especially w/ -shared

2023-04-29 Thread arthur200126 at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55522 Mingye Wang changed: What|Removed |Added CC||arthur200126 at gmail dot com --- Comment

[Bug libgcc/109270] New: ssp/ssp.h should be adapted to use __builtin_dynamic_object_size()

2023-03-23 Thread arthur200126 at gmail dot com via Gcc-bugs
Priority: P3 Component: libgcc Assignee: unassigned at gcc dot gnu.org Reporter: arthur200126 at gmail dot com Target Milestone: --- GCC 12.0 introduced __builtin_dynamic_object_size() in support of Glibc's _FORTIFY_SOURCE 3, but gcc's own impleme

[Bug target/54412] minimal 32-byte stack alignment with -mavx on 64-bit Windows

2021-08-22 Thread arthur200126 at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54412 Mingye Wang changed: What|Removed |Added CC||arthur200126 at gmail dot com --- Comment

[Bug target/49001] GCC uses VMOVAPS/PD AVX instructions to access stack variables that are not 32-byte aligned

2021-08-22 Thread arthur200126 at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49001 --- Comment #6 from Mingye Wang --- FWIW, the ticket about doing stuff to align the stack in the prologue is bug 54412. Apologies for the noisy emails, but thing is I can't do the see-also thing here.

[Bug target/49001] GCC uses VMOVAPS/PD AVX instructions to access stack variables that are not 32-byte aligned

2021-08-22 Thread arthur200126 at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49001 Mingye Wang changed: What|Removed |Added CC||arthur200126 at gmail dot com --- Comment

[Bug target/95030] Conflicting report about VIA eden's AVX capabilities

2020-07-08 Thread arthur200126 at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95030 --- Comment #2 from Mingye Wang --- For the sake of completeness, a lot of extra CPUID info is available from http://users.atw.hu/instlatx64/. This bug will apply to Zhaoxin too, likely as an alias.

[Bug c/96019] New: Optimization forgets non-default scalar_storage_order

2020-07-01 Thread arthur200126 at gmail dot com
Component: c Assignee: unassigned at gcc dot gnu.org Reporter: arthur200126 at gmail dot com Target Milestone: --- Created attachment 48818 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48818&action=edit test case The attached code uses a scalar_storage_order to a

[Bug target/95030] Conflicting report about VIA eden's AVX capabilities

2020-06-26 Thread arthur200126 at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95030 --- Comment #1 from Mingye Wang --- Thanks to tcl_de in sourceware bz[1], a CPUID dump from eden-x4 is available: http://users.atw.hu/instlatx64/CentaurHauls/CentaurHauls6FE_CNR_Isaiah_CPUID.txt MOVBE, POPCNT, AES, PCLMUL, FSGSBASE, RDRND, B

[Bug target/95030] New: Conflicting report about VIA eden's AVX capabilities

2020-05-09 Thread arthur200126 at gmail dot com
y: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: arthur200126 at gmail dot com Target Milestone: --- The support for many VIA targets are introduced in git commit fdb351b1fe983a46b3308f845c3d228c6c7ab4ae or svn trunk@237534.[1][2] This commit mentions AVX2 as

[Bug web/92880] New: Documentation for Built-in Vector-Extensions should mention C99 Fixed-width ints as base types

2019-12-10 Thread arthur200126 at gmail dot com
Severity: normal Priority: P3 Component: web Assignee: unassigned at gcc dot gnu.org Reporter: arthur200126 at gmail dot com Target Milestone: --- The current version of gcc doc section 6.52 "Using Vector Instructions through Built-in Functions&

[Bug target/84144] SSE-style intrinsics for loongson?

2018-01-30 Thread arthur200126 at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84144 --- Comment #1 from Mingye Wang --- Oh, the commit's modification on line 31 also fixes a tiny bug in gcc's error message. TARGET_LOONGSON_VECTORS -- and __mips_loongson_vector_rev -- is now defined for 2e/2f/3a in git mirror's HEAD (r257218 as o

[Bug target/84144] New: SSE-style intrinsics for loongson?

2018-01-30 Thread arthur200126 at gmail dot com
Assignee: unassigned at gcc dot gnu.org Reporter: arthur200126 at gmail dot com Target Milestone: --- On MIPS systems, Firefox seem to be able to build only under loongson with the community/vendor-modified gcc 5.5.0 as only that gcc implements SSE-style intrinsics required by