Building glibc with -march=rv64gcv causes GCC to auto-vectorize generic C code (e.g. calc_state_hash in regex), generating RVV instructions. On hardware without the V extension, this results in SIGILL.
Signed-off-by: Ciyan Pan <[email protected]> ChangeLog: * configure: Regenerate. * configure.ac: Remove rv64gcv-lp64d. --- configure | 5 ----- configure.ac | 2 +- 2 files changed, 1 insertion(+), 6 deletions(-) diff --git a/configure b/configure index d610aa16..6328fcee 100755 --- a/configure +++ b/configure @@ -4159,11 +4159,6 @@ fi if test "x$enable_multilib" = xyes then : glibc_multilib_names="rv32imac-ilp32 rv32gc-ilp32d rv64imac-lp64 rv64gc-lp64d" - # Vector extension is currently not supported on Big-endian systems. - if test "x$endian" = xlittle - then : - glibc_multilib_names+=" rv64gcv-lp64d" - fi else $as_nop glibc_multilib_names="$with_arch-$with_abi" diff --git a/configure.ac b/configure.ac index 4e534faa..dd32ec6c 100644 --- a/configure.ac +++ b/configure.ac @@ -158,7 +158,7 @@ AS_IF([test "x$enable_multilib" = xyes || test "x$with_multilib_generator" != xn [AC_SUBST(multilib_flags,--disable-multilib)]) AS_IF([test "x$enable_multilib" = xyes], - [AC_SUBST(glibc_multilib_names,"rv32imac-ilp32 rv32gc-ilp32d rv64imac-lp64 rv64gc-lp64d rv64gcv-lp64d")], + [AC_SUBST(glibc_multilib_names,"rv32imac-ilp32 rv32gc-ilp32d rv64imac-lp64 rv64gc-lp64d")], [AC_SUBST(glibc_multilib_names,"$with_arch-$with_abi")]) AS_IF([test "x$enable_multilib" = xyes], -- 2.43.0
