On 10/11/16 17:11, Wilco Dijkstra wrote: > Currently the SBFM, UBFM and BFM instructions all use the attribute "bfm". > SBFM and UBFM include all shifts on AArch64, which are simpler than bitfield > insert. Add a new bfx attribute for these instructions so that they can be > modelled more accurately in the future. There is no difference in code > generation. > > ChangeLog: > 2016-11-10 Wilco Dijkstra <wdijk...@arm.com> > > * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3) > Use bfx attribute. > (aarch64_lshr_sisd_or_int_<mode>3): Likewise. > (aarch64_ashr_sisd_or_int_<mode>3): Likewise. > (<optab>si3_insn_uxtw): Likewise. > (<optab><mode>3_insn): Likewise. > (<ANY_EXTEND:optab><GPI:mode>_ashl<SHORT:mode>): Likewise. > (zero_extend<GPI:mode>_lshr<SHORT:mode>): Likewise. > (extend<GPI:mode>_ashr<SHORT:mode>): Likewise. > (<optab><mode>): Likewise. > (insv<mode>): Likewise. > (andim_ashift<mode>_bfiz): Likewise. > * config/aarch64/thunderx.md (thunderx_shift): Add bfx. > * config/arm/cortex-a53.md (cortex_a53_alu_shift): Likewise. > * config/arm/cortex-a57.md (cortex_a57_alu): Add bfx. > * config/arm/exynos-m1.md (exynos_m1_alu): Add bfx. > (exynos_m1_alu_p): Likewise. > * config/arm/types.md: Add bfx. > * config/arm/xgene1.md (xgene1_bfm): Add bfx. >
OK. R.
