On Wed, Apr 12, 2023 at 11:03 AM Rainer Emrich <rai...@emrich-ebersheim.de> wrote: > > I did some optimization testing by bootstrapping with "--with-arch=native > --with-tune=native" > on an AMD Threadripper system, that's "znver2".
I'm not sure that's really supported, it appears to be not resolved at configure time at least. > I got a lot of additional testsuite failures especially in the jit testsuite. Are you doing an LTO bootstrap? Please quote the full configure and make commands. Does it work when you don't enable jit? > The log shows a lot of failures of the following form: > > libgccjit.so: error: bad value 'native' for '-march=' switch > libgccjit.so: note: valid arguments to '-march=' switch are: nocona core2 > nehalem corei7 westmere sandybridge corei7-avx ivybridge core-avx-i haswell > core-avx2 broadwell skylake skylake-avx512 cannonlake icelake-client > rocketlake icelake-server cascadelake tigerlake cooperlake sapphirerapids > emeraldrapids alderlake raptorlake meteorlake graniterapids bonnell atom > silvermont slm goldmont goldmont-plus tremont sierraforest grandridge knl knm > x86-64 x86-64-v2 x86-64-v3 x86-64-v4 eden-x2 nano nano-1000 nano-2000 > nano-3000 nano-x2 eden-x4 nano-x4 lujiazui k8 k8-sse3 opteron opteron-sse3 > athlon64 athlon64-sse3 athlon-fx amdfam10 barcelona bdver1 bdver2 bdver3 > bdver4 znver1 znver2 znver3 znver4 btver1 btver2 native > DISCARDED exp6 : libgccjit.so: error: bad value 'native' for '-march=' switch > DISCARDED exp6 : libgccjit.so: note: valid arguments to '-march=' switch are: > nocona core2 nehalem corei7 westmere sandybridge corei7-avx ivybridge > core-avx-i haswell core-avx2 broadwell skylake skylake-avx512 cannonlake > icelake-client rocketlake icelake-server cascadelake tigerlake cooperlake > sapphirerapids emeraldrapids alderlake raptorlake meteorlake graniterapids > bonnell atom silvermont slm goldmont goldmont-plus tremont sierraforest > grandridge knl knm x86-64 x86-64-v2 x86-64-v3 x86-64-v4 eden-x2 nano > nano-1000 nano-2000 nano-3000 nano-x2 eden-x4 nano-x4 lujiazui k8 k8-sse3 > opteron opteron-sse3 athlon64 athlon64-sse3 athlon-fx amdfam10 barcelona > bdver1 bdver2 bdver3 bdver4 znver1 znver2 znver3 znver4 btver1 btver2 native > Assembler messages: > Error: can't open /tmp/libgccjit-uacKEw/fake.s for reading: No such file or > directory > DISCARDED exp6 : Assembler messages: > DISCARDED exp6 : Error: can't open /tmp/libgccjit-uacKEw/fake.s for reading: > No such file or directory > libgccjit.so: error: error invoking gcc driver > DISCARDED exp6 : libgccjit.so: error: error invoking gcc driver > > So, the "-march" switch in libgccjit.so is wrong! > > I can open a PR if neccessary. > > Rainer
