Peter Maydell <peter.mayd...@linaro.org> writes:
> On 28 June 2018 at 12:30, Alex Bennée <alex.ben...@linaro.org> wrote: >> >> Richard Henderson <richard.hender...@linaro.org> writes: >> >>> This is the remainder of the SVE enablement patches, >>> with an extra bonus patch to enable ARMv8.2-DotProd. >>> >>> V6 updates based on review. >> >> One failure from the VQ3 test set: >> >> ../qemu.git/aarch64-linux-user/qemu-aarch64 \ >> ./risu --test-sve=3 \ >> sve-all-short-v8.3+sve@vq3/insn_sdiv_z_p_zz___INC.risu.bin \ >> --trace=sve-all-short-v8.3+sve@vq3/insn_sdiv_z_p_zz___INC.risu.bin.trace >> >> Gives: >> >> loading test image >> sve-all-short-v8.3+sve@vq3/insn_sdiv_z_p_zz___INC.risu.bin... >> starting apprentice image at 0x4000801000 >> starting image >> fish: “../qemu.git/aarch64-linux-user/…” terminated by signal SIGFPE >> (Floating point exception) > > Do you have the insn that it's barfing on? In particular, > I'm guessing from the test name that this is for something > covered by one of the SDIV_zpzz lines in sve.decode, which > is already in master rather than in this test series. > If that's true, then it shouldn't block applying this set... #0 0x000055555569297f in helper_sve_sdiv_zpzz_s (vd=0x555557a522e0, vn=0x555557a522e0, vm=0x555557a51fe0, vg=0x555557a52be0, desc=<optimised out>) at /home/alex/lsrc/qemu/qemu.git/target/arm/sve_helper.c:480 #1 0x0000555555b1283f in static_code_gen_buffer () #2 0x00005555555ea0d8 in cpu_tb_exec (itb=<optimised out>, cpu=0x555557a50320) at /home/alex/lsrc/qemu/qemu.git/accel/tcg/cpu-exec.c:171 #3 cpu_loop_exec_tb (tb_exit=<synthetic pointer>, last_tb=<synthetic pointer>, tb=<optimised out>, cpu=0x555557a50320) at /home/alex/lsrc/qemu/qemu.git/accel/tcg/cpu-exec.c:612 #4 cpu_exec (cpu=cpu@entry=0x555557a48070) at /home/alex/lsrc/qemu/qemu.git/accel/tcg/cpu-exec.c:722 #5 0x000055555560ad40 in cpu_loop (env=0x555557a50320) at /home/alex/lsrc/qemu/qemu.git/linux-user/aarch64/cpu_loop.c:82 #6 0x00005555555afb0c in main (argc=<optimised out>, argv=0x7fffffffdea8, envp=<optimised out>) at /home/alex/lsrc/qemu/qemu.git/linux-user/main.c:813 #0 0x000055555569297f in helper_sve_sdiv_zpzz_s (vd=0x555557a522e0, vn=0x555557a522e0, vm=0x555557a51fe0, vg=0x555557a52be0, desc=<optimised out>) at /home/alex/lsrc/qemu/qemu.git/target/arm/sve_helper.c:480 480 DO_ZPZZ(sve_sdiv_zpzz_s, int32_t, H1_4, DO_DIV) => 0x55555569297f <helper_sve_sdiv_zpzz_s+63>: idiv %r10d 0x555555692982 <helper_sve_sdiv_zpzz_s+66>: mov %eax,%r11d 0x555555692985 <helper_sve_sdiv_zpzz_s+69>: mov %r11d,(%rdi,%r8,1) 0x555555692989 <helper_sve_sdiv_zpzz_s+73>: add $0x4,%r8 0x55555569298d <helper_sve_sdiv_zpzz_s+77>: shr $0x4,%r9w A syntax error in expression, near `./ $r10d'. r10d $6 = 0xffffffff rax $7 = 0x80000000 rdx $8 = 0xffffffff Yeah so from something already merged in. -- Alex Bennée
