On 12/13/19 10:22 AM, Stam Markianos-Wright wrote: > Hi all, > > This patch adds the ARMv8.6 Extension ACLE intrinsics for dot product > operations (vector/by element) to the ARM back-end. > > These are: > usdot (vector), <us/su>dot (by element). > > The functions are optional from ARMv8.2-a as -march=armv8.2-a+i8mm and > for ARM they remain optional as of ARMv8.6-a. > > The functions are declared in arm_neon.h, RTL patterns are defined to > generate assembler and tests are added to verify and perform adequate > checks. > > Regression testing on arm-none-eabi passed successfully. > > This patch depends on: > > https://gcc.gnu.org/ml/gcc-patches/2019-11/msg02195.html > > for ARM CLI updates, and on: > > https://gcc.gnu.org/ml/gcc-patches/2019-12/msg00857.html > > for testsuite effective_target update. > > Ok for trunk?
.Ping :) > > Cheers, > Stam > > > ACLE documents are at https://developer.arm.com/docs/101028/latest > ISA documents are at https://developer.arm.com/docs/ddi0596/latest > > PS. I don't have commit rights, so if someone could commit on my behalf, > that would be great :) > > > gcc/ChangeLog: > > 2019-11-28 Stam Markianos-Wright <stam.markianos-wri...@arm.com> > > * config/arm/arm-builtins.c (enum arm_type_qualifiers): > (USTERNOP_QUALIFIERS): New define. > (USMAC_LANE_QUADTUP_QUALIFIERS): New define. > (SUMAC_LANE_QUADTUP_QUALIFIERS): New define. > (arm_expand_builtin_args): > Add case ARG_BUILTIN_LANE_QUADTUP_INDEX. > (arm_expand_builtin_1): Add qualifier_lane_quadtup_index. > * config/arm/arm_neon.h (vusdot_s32): New. > (vusdot_lane_s32): New. > (vusdotq_lane_s32): New. > (vsudot_lane_s32): New. > (vsudotq_lane_s32): New. > * config/arm/arm_neon_builtins.def > (usdot,usdot_lane,sudot_lane): New. > * config/arm/iterators.md (DOTPROD_I8MM): New. > (sup, opsuffix): Add <us/su>. > * config/arm/neon.md (neon_usdot, <us/su>dot_lane: New. > * config/arm/unspecs.md (UNSPEC_DOT_US, UNSPEC_DOT_SU): New. > > > gcc/testsuite/ChangeLog: > > 2019-12-12 Stam Markianos-Wright <stam.markianos-wri...@arm.com> > > * gcc.target/arm/simd/vdot-compile-2-1.c: New test. > * gcc.target/arm/simd/vdot-compile-2-2.c: New test. > * gcc.target/arm/simd/vdot-compile-2-3.c: New test. > * gcc.target/arm/simd/vdot-compile-2-4.c: New test. > >
