[Bug target/111655] wrong code generated for __builtin_signbit on x86-64 -O2

2023-10-01 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655 --- Comment #2 from Andrew Pinski --- The match pattern which causes the issue: (simplify /* signbit(x) -> 0 if x is nonnegative. */ (SIGNBIT tree_expr_nonnegative_p@0) { integer_zero_node; })

[Bug target/111655] wrong code generated for __builtin_signbit on x86-64 -O2

2023-10-01 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655 Andrew Pinski changed: What|Removed |Added Component|tree-optimization |target Target|