https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96684
Bug ID: 96684
Summary: arm: MVE intrinsics / __ARM_undef presence in f16
vector max routine
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: sripar01 at gcc dot gnu.org
Target Milestone: ---
Target: arm
Created attachment 49077
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49077&action=edit
test case
$ arm-none-eabi-gcc -v
Using built-in specs.
COLLECT_GCC=arm-none-eabi-gcc
COLLECT_LTO_WRAPPER=/work/gnu-work/Release/build-arm-none-eabi/install/libexec/gcc/arm-none-eabi/10.2.1/lto-wrapper
Target: arm-none-eabi
Configured with: /work/gnu-work/Release/src/gcc/configure
--target=arm-none-eabi
--prefix=/work/gnu-work/Release/build-arm-none-eabi/install//
--with-gmp=/work/gnu-work/Release/build-arm-none-eabi/host-tools
--with-mpfr=/work/gnu-work/Release/build-arm-none-eabi/host-tools
--with-mpc=/work/gnu-work/Release/build-arm-none-eabi/host-tools
--with-isl=/work/gnu-work/Release/build-arm-none-eabi/host-tools
--disable-shared --disable-nls --disable-threads --disable-tls
--enable-checking=yes --enable-languages=c,c++,fortran --with-newlib
--with-multilib-list=rmprofile --with-pkgversion=unknown : (reconfigured)
/work/gnu-work/Release/src/gcc/configure --target=arm-none-eabi
--prefix=/work/gnu-work/Release/build-arm-none-eabi/install//
--with-gmp=/work/gnu-work/Release/build-arm-none-eabi/host-tools
--with-mpfr=/work/gnu-work/Release/build-arm-none-eabi/host-tools
--with-mpc=/work/gnu-work/Release/build-arm-none-eabi/host-tools
--with-isl=/work/gnu-work/Release/build-arm-none-eabi/host-tools
--disable-shared --disable-nls --disable-threads --disable-tls
--enable-checking=yes --with-newlib --with-multilib-list=rmprofile
--with-pkgversion=unknown target_alias=arm-none-eabi CFLAGS='-O0 -g3'
CXXFLAGS='-O0 -g3' --enable-languages=c,c++,fortran,lto --no-create
--no-recursion
Thread model: single
Supported LTO compression algorithms: zlib
gcc version 10.2.1 20200803 (unknown)
$ arm-none-eabi-gcc bug.c -mfloat-abi=hard -march=armv8.1-m.main+mve.fp -O3
--specs=rdimon.specs
/work/gnu-work/Release/build-arm-none-eabi/install/lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/bin/ld:
/tmp/ccQXZj1p.o: in function `main':
bug.c:(.text.startup+0x30): undefined reference to `__ARM_undef'
collect2: error: ld returned 1 exit status
