On 3/13/19 8:16 AM, Steve Kargl wrote: > On Tue, Mar 12, 2019 at 07:45:41PM -0700, Steve Kargl wrote: >> >> gcc8 --version >> gcc8 (FreeBSD Ports Collection) 8.3.0 >> >> gcc8 -fno-builtin -o z a.c -lm && ./z >> gcc8 -O -fno-builtin -o z a.c -lm && ./z >> gcc8 -O2 -fno-builtin -o z a.c -lm && ./z >> gcc8 -O3 -fno-builtin -o z a.c -lm && ./z >> >> Max ULP: 2.297073 >> Count: 0 (# of ULP that exceed 21) >> > > clang agrees with gcc8 if one changes ... > >> int >> main(void) >> { >> double re, im, u, ur, ui; >> float complex f; >> float x, y; > > this line to "volatile float x, y". So it seems to be a regression in clang 7 vs clang 6? -- John BaldwinReceived on Wed Mar 13 2019 - 15:33:00 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:41:20 UTC