diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 6faed76206b93c1a9dea048e2f693dc16ee58072..358b2638b65a2007d1c7e8062844b67682597f45 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -5658,9 +5658,25 @@ arm_libcall_uses_aapcs_base (const_rtx libcall) /* Values from double-precision helper functions are returned in core registers if the selected core only supports single-precision arithmetic, even if we are using the hard-float ABI. The same is - true for single-precision helpers, but we will never be using the - hard-float ABI on a CPU which doesn't support single-precision - operations in hardware. */ + true for single-precision helpers except in case of MVE, because in + MVE we will be using the hard-float ABI on a CPU which doesn't support + single-precision operations in hardware. In MVE the following check + enables use of emulation for the double-precision arithmetic + operations. */ + if (TARGET_HAVE_MVE) + { + add_libcall (libcall_htab, optab_libfunc (add_optab, SFmode)); + add_libcall (libcall_htab, optab_libfunc (sdiv_optab, SFmode)); + add_libcall (libcall_htab, optab_libfunc (smul_optab, SFmode)); + add_libcall (libcall_htab, optab_libfunc (neg_optab, SFmode)); + add_libcall (libcall_htab, optab_libfunc (sub_optab, SFmode)); + add_libcall (libcall_htab, optab_libfunc (eq_optab, SFmode)); + add_libcall (libcall_htab, optab_libfunc (lt_optab, SFmode)); + add_libcall (libcall_htab, optab_libfunc (le_optab, SFmode)); + add_libcall (libcall_htab, optab_libfunc (ge_optab, SFmode)); + add_libcall (libcall_htab, optab_libfunc (gt_optab, SFmode)); + add_libcall (libcall_htab, optab_libfunc (unord_optab, SFmode)); + } add_libcall (libcall_htab, optab_libfunc (add_optab, DFmode)); add_libcall (libcall_htab, optab_libfunc (sdiv_optab, DFmode)); add_libcall (libcall_htab, optab_libfunc (smul_optab, DFmode));