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From: "sherry.zhang2 at arm dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/106442] Build time error "vadd.i32 q3, q3, q0'" in case of
 -mcpu=cortex-m55+nofp+nomve.fp
Date: Tue, 26 Jul 2022 07:36:23 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106442

--- Comment #5 from sherry.zhang2 at arm dot com ---
(In reply to Andrew Pinski from comment #4)
> A picture is not the source.
> But this looks more like a bug in either your inline-asm or how you invoke
> GCC.

Logs after adding -v to GCC:
COLLECT_GCC_OPTIONS=3D '-mcpu=3Dcortex-m55+nomve.fp' '-v' '-O3' '-D' 'NDEBU=
G'
'-specs=3Dnano.specs' '-Wall' '-Wformat=3D0' '-Wno-return-type'
'-Wno-unused-but-set-variable' '-c' '-fdata-sections' '-ffunction-sections'
'-fno-builtin' '-fshort-enums' '-funsigned-char' '-mthumb' '-nostdlib'
'-std=3Dc99' '-g' '-mfloat-abi=3Dsoft' '-mcmse' '-Wno-unused-value' '-o'
'CMakeFiles/tfm_spm.dir/cmsis_psa/arch/tfm_arch_v8m_main.o' '-c'
'-mlibarch=3Darmv8.1-m.main+mve' '-march=3Darmv8.1-m.main+mve'=20

The same source code can build without error if I enable FP
with
COLLECT_GCC_OPTIONS=3D'-mcpu=3Dcortex-m55' '-v' '-O3' '-D' 'NDEBUG'
'-specs=3Dnano.specs' '-Wall' '-Wformat=3D0' '-Wno-return-type'
'-Wno-unused-but-set-variable' '-c' '-fdata-sections' '-ffunction-sections'
'-fno-builtin' '-fshort-enums' '-funsigned-char' '-mthumb' '-nostdlib'
'-std=3Dc99' '-g' '-mfloat-abi=3Dhard' '-mfpu=3Dfpv5-d16' '-mcmse'
'-Wno-unused-value' '-o'
'CMakeFiles/tfm_spm.dir/cmsis_psa/arch/tfm_arch_v8m_main.o' '-c'
'-mlibarch=3Darmv8.1-m.main+fp.dp+mve' '-march=3Darmv8.1-m.main+fp.dp+mve'=