OK /Marcus
On 30 April 2013 15:55, James Greenhalgh <james.greenha...@arm.com> wrote: > > Comparison operators can be described in RTL in a more accurate > manner than simply using UNSPECs. Do this. > > We need the split cases for DI mode to give reload a sensible > alternative. Without these, reload would churn out some truly > ugly code along the lines of: > >> fmov d0, x0 >> cmp d0, d0, #0 >> fmov x0, d0 > > Regression tested on aarch64-none-elf and aarch64-none-linux-gnu > with no regressions. > > OK? > > Thanks, > James > > --- > gcc/ > > 2013-04-30 James Greenhalgh <james.greenha...@arm.com> > > * config/aarch64/aarch64-simd-builtins.def (cmhs): Rename to... > (cmgeu): ...This. > (cmhi): Rename to... > (cmgtu): ...This. > * config/aarch64/aarch64-simd.md > (simd_mode): Add SF. > (aarch64_vcond_internal): Use new names for unsigned comparison insns. > (aarch64_cm<optab><mode>): Rewrite to not use UNSPECs. > * config/aarch64/aarch64.md (*cstore<mode>_neg): Rename to... > (cstore<mode>_neg): ...This. > * config/aarch64/iterators.md > (VALLF): new. > (unspec): Remove UNSPEC_CM<EQ, LE, LT, GE, GT, HS, HI, TST>. > (COMPARISONS): New. > (UCOMPARISONS): Likewise. > (optab): Add missing comparisons. > (n_optab): New. > (cmp_1): Likewise. > (cmp_2): Likewise. > (CMP): Likewise. > (cmp): Remove. > (VCMP_S): Likewise. > (VCMP_U): Likewise. > (V_cmp_result): Add DF, SF modes. > (v_cmp_result): Likewise. > (v): Likewise. > (vmtype): Likewise. > * config/aarch64/predicates.md (aarch64_reg_or_fp_zero): New.
