* "march=native" flag not working in libgccjit
@ 2023-05-15 20:07 Li, Yicheng
2023-05-15 21:34 ` David Malcolm
0 siblings, 1 reply; 2+ messages in thread
From: Li, Yicheng @ 2023-05-15 20:07 UTC (permalink / raw)
To: jit
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Hi,
In libjitgcc, I created a function and set flags “march=native” with gcc_jit_context_add_command_line_option( ctxt, “-march=native”.
However, the error is below:
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
Thank you
Yicheng Li
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: "march=native" flag not working in libgccjit
2023-05-15 20:07 "march=native" flag not working in libgccjit Li, Yicheng
@ 2023-05-15 21:34 ` David Malcolm
0 siblings, 0 replies; 2+ messages in thread
From: David Malcolm @ 2023-05-15 21:34 UTC (permalink / raw)
To: Li, Yicheng, jit
On Mon, 2023-05-15 at 20:07 +0000, Li, Yicheng via Jit wrote:
> Hi,
>
> In libjitgcc, I created a function and set flags “march=native” with
> gcc_jit_context_add_command_line_option( ctxt, “-march=native”.
> However, the error is below:
>
> 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
Sorry about this; this is
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66594
and
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107230
Unfortunately it's tricky to implement this within libgccjit due to the
differences between it and the normal command-line way of invoking gcc.
If someone wants to try fixing this, that would be great.
Dave
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