[Bug target/101891] Adjust -fzero-call-used-regs to always use XOR

2022-05-24 Thread arjan at linux dot intel.com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101891 --- Comment #9 from Arjan van de Ven --- I don't have recent measurements since we did this work quite some time ago. basically on the CPU level (speaking for Intel style cpus at least), a CPU can eliminate (meaning: no execution resources

[Bug target/101891] Adjust -fzero-call-used-regs to always use XOR

2022-05-24 Thread arjan at linux dot intel.com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101891 Arjan van de Ven changed: What|Removed |Added CC||arjan at linux dot intel.com ---

[Bug libstdc++/101583] [12 Regression] error: use of deleted function when building gold

2021-10-13 Thread arjan at linux dot intel.com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101583 Arjan van de Ven changed: What|Removed |Added CC||arjan at linux dot intel.com ---

[Bug target/101456] Unnecessary vzeroupper when upper bits of YMM registers already zero

2021-07-14 Thread arjan at linux dot intel.com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101456 Arjan van de Ven changed: What|Removed |Added CC||arjan at linux dot intel.com ---