[Bug target/96015] [regression] gcc-10.1.0 miscompiles Python on hppa

2020-07-01 Thread slyfox at inbox dot ru
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96015 --- Comment #3 from Sergei Trofimovich --- Reproducible on both qemu-hppa and on real "PA8600 (PCX-W+) 9000/785/C3600" machine.

[Bug target/96015] [regression] gcc-10.1.0 miscompiles Python on hppa

2020-07-01 Thread slyfox at inbox dot ru
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96015 --- Comment #2 from Sergei Trofimovich --- Happens both on gcc-10.1.0 and gcc from main development branch. Here is the example of -O1/-O2 difference: $ hppa2.0-unknown-linux-gnu-gcc -lm -Wsign-compare -Wall -fno-PIE -no-pie -fno-stack-protector

[Bug target/96015] [regression] gcc-10.1.0 miscompiles Python on hppa

2020-07-01 Thread slyfox at inbox dot ru
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96015 --- Comment #1 from Sergei Trofimovich --- Created attachment 48814 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48814&action=edit bug_test.c Selfcontained example.