On 26 September 2016 at 11:43, Matthew Wahab <matthew.wa...@foss.arm.com> wrote: > Hello, > > On 25/09/16 14:00, Christophe Lyon wrote: >>>> >>>> >>>> This patch adds the new intrinsics: >>>> vbsl_f16, vbslq_f16, vdup_n_f16, vdupq_n_f16, vdup_lane_f16, >>>> vdupq_lane_f16, vext_f16, vextq_f16, vmov_n_f16, vmovq_n_f16, >>>> vrev64_f16, vrev64q_f16, vtrn_f16, vtrnq_f16, vuzp_f16, vuzpq_f16, >>>> vzip_f16, vzipq_f16. >>>> >>>> This patch also updates the advsimd-intrinsics testsuite to test the f16 >>>> variants for ARM targets. These intrinsics are only implemented in the >>>> ARM target so the tests are disabled for AArch64 using an extra >>>> condition on a new convenience macro FP16_SUPPORTED. This patch also >>>> disables, for the ARM target, the testsuite defined macro vdup_n_f16 as >>>> it is no longer needed. >> >> >> Since you committed this patch, I've noticed that libgcc fails to build >> when GCC is configured: >> --target arm-none-eabi and default cpu >> /tmp/9649048_29.tmpdir/ccuBwQJJ.s: Assembler messages: >> /tmp/9649048_29.tmpdir/ccuBwQJJ.s:64: Error: selected processor does >> not support ARM mode `movwlt r0,32768' >> /tmp/9649048_29.tmpdir/ccuBwQJJ.s:65: Error: selected processor does >> not support ARM mode `movwge r0,32767' >> make[4]: *** [_ssaddHQ.o] Error 1 >> make[4]: Leaving directory >> >> `/tmp/9649048_29.tmpdir/aci-gcc-fsf/builds/gcc-fsf-gccsrc/obj-arm-none-eabi/gcc1/arm-none-eabi/fpu/libgcc' >> > > > I can't reproduce the failure, could you send the configure arguments for > the build. >
If I'm not mistaken, that is: --target=arm-none-eabi --disable-nls --disable-libgomp --disable-libmudflap --disable-libcilkrts --enable-checking --enable-languages=c,c++ --with-newlib Maybe you've disabled multilibs? > I've tried assembling the string 'movw r0, 32768' and get the error when > -march=armv6kz or earlier. I suspect the new movhi and/or movhf patterns > added earlier in the series need the architecture level added as a > precondition but I'll need to look into it. > > Matthew Thanks, Christophe
