Hi Dennis, > -----Original Message----- > From: Dennis Zhang <dennis.zh...@arm.com> > Sent: 06 October 2020 17:55 > To: gcc-patches@gcc.gnu.org > Cc: Kyrylo Tkachov <kyrylo.tkac...@arm.com>; nd <n...@arm.com>; > Richard Earnshaw <richard.earns...@arm.com>; Ramana Radhakrishnan > <ramana.radhakrish...@arm.com> > Subject: [PATCH][Arm] Auto-vectorization for MVE: vmul > > Hi all, > > This patch enables MVE vmul instructions for auto-vectorization. > It includes MVE in expander mul<mode>3 to enable vectorization for MVE > and modifies related vmul insns to support the expander by using 'mult' > instead of unspec. > The mul<mode>3 for vectorization in vec-common.md uses mode iterator > VDQWH instead of VALLW to cover all supported modes. > The macros ARM_HAVE_<MODE>_ARITH are used to select supported > modes for > different targets. The redundant mul<mode>3 in neon.md is removed. > > Regression tested on arm-none-eabi and bootstraped on > arm-none-linux-gnueabihf. > > Is it OK for trunk please?
Ok, thank you for your patience. Kyrill > > Thanks > Dennis > > gcc/ChangeLog: > > 2020-10-02 Dennis Zhang <dennis.zh...@arm.com> > > * config/arm/mve.md (mve_vmulq<mode>): New entry for vmul instruction > using expression 'mult'. > (mve_vmulq_f<mode>): Use mult instead of VMULQ_F. > * config/arm/neon.md (mul<mode>3): Removed. > * config/arm/vec-common.md (mul<mode>3): Use the new mode macros > ARM_HAVE_<MODE>_ARITH. Use mode iterator VDQWH instead of VALLW. > > gcc/testsuite/ChangeLog: > > 2020-10-02 Dennis Zhang <dennis.zh...@arm.com> > > * gcc.target/arm/simd/mve-vmul_1.c: New test.
