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authorChristian Krinitsin <mail@krinitsin.com>2025-07-08 13:28:15 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-07-08 13:28:28 +0200
commit5aa276efcbd67f4300ca1a7f809c6e00aadb03da (patch)
tree9b8f0e074014cda8d42f5a97a95bc25082d8b764 /results/classifier/zero-shot-user-mode/runtime/1907817
parent1a3c4faf4e0a25ed0b86e8739d5319a634cb9112 (diff)
downloadqemu-analysis-5aa276efcbd67f4300ca1a7f809c6e00aadb03da.tar.gz
qemu-analysis-5aa276efcbd67f4300ca1a7f809c6e00aadb03da.zip
restructure results
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+runtime: 0.346
+syscall: 0.328
+instruction: 0.326
+
+
+
+qemu-aarch64 tcg assertion v5.2.0
+
+After updating to 5.2 I am getting following assertion error:
+qemu-aarch64: ../tcg/tcg-op-gvec.c:54: check_size_align: Assertion `(maxsz & max_align) == 0' failed.
+
+I think it was introduced by commit: e2e7168a214b0ed98dc357bba96816486a289762
+
+Becasue before this change, in function simd_desc only maxsz % 8 == 0 was checked, but after this change qemu check for following:
+ 
+max_align = maxsz >= 16 ? 15 : 7;
+tcg_debug_assert((maxsz & max_align) == 0);  <--- here assertion happens
+
+in my case maxsz=56.
+
+
+Whole backtrace:
+#4  0x0000004000314770 in check_size_align (oprsz=56, maxsz=56, ofs=0) at ../tcg/tcg-op-gvec.c:54
+#5  0x0000004000314950 in simd_desc (oprsz=56, maxsz=56, data=0) at ../tcg/tcg-op-gvec.c:89
+#6  0x0000004000316270 in do_dup (vece=0, dofs=3144, oprsz=56, maxsz=56, in_32=0x0, in_64=0x0, in_c=0) at ../tcg/tcg-op-gvec.c:630
+#7  0x00000040003164d0 in expand_clr (dofs=3144, maxsz=56) at ../tcg/tcg-op-gvec.c:679
+#8  0x0000004000319bb0 in tcg_gen_gvec_mov (vece=3, dofs=3136, aofs=3136, oprsz=8, maxsz=64) at ../tcg/tcg-op-gvec.c:1538
+#9  0x0000004000200dc0 in clear_vec_high (s=0x40021a8180, is_q=false, rd=0) at ../target/arm/translate-a64.c:592
+#10 0x0000004000200e40 in write_fp_dreg (s=0x40021a8180, reg=0, v=0x1108) at ../target/arm/translate-a64.c:600
+--Type <RET> for more, q to quit, c to continue without paging--
+#11 0x0000004000200e90 in write_fp_sreg (s=0x40021a8180, reg=0, v=0x1060) at ../target/arm/translate-a64.c:608
+#12 0x0000004000214210 in handle_fpfpcvt (s=0x40021a8180, rd=0, rn=0, opcode=2, itof=true, rmode=0, scale=64, sf=0, type=0)
+    at ../target/arm/translate-a64.c:6988
+#13 0x0000004000214f90 in disas_fp_int_conv (s=0x40021a8180, insn=505544704) at ../target/arm/translate-a64.c:7299
+#14 0x0000004000215350 in disas_data_proc_fp (s=0x40021a8180, insn=505544704) at ../target/arm/translate-a64.c:7389
+#15 0x000000400022aa70 in disas_data_proc_simd_fp (s=0x40021a8180, insn=505544704) at ../target/arm/translate-a64.c:14494
+#16 0x000000400022af90 in disas_a64_insn (env=0x7fac59b6b490, s=0x40021a8180) at ../target/arm/translate-a64.c:14663
+#17 0x000000400022b750 in aarch64_tr_translate_insn (dcbase=0x40021a8180, cpu=0x7fac59b63150) at ../target/arm/translate-a64.c:14823
+#18 0x00000040002e8630 in translator_loop (ops=0x4000902e00 <aarch64_translator_ops>, db=0x40021a8180, cpu=0x7fac59b63150, 
+    tb=0x7fac3419c5c0, max_insns=512) at ../accel/tcg/translator.c:103
+#19 0x00000040002e3a60 in gen_intermediate_code (cpu=0x7fac59b63150, tb=0x7fac3419c5c0, max_insns=512)
+    at ../target/arm/translate.c:9283
+#20 0x00000040002fed30 in tb_gen_code (cpu=0x7fac59b63150, pc=4458820, cs_base=0, flags=2148544819, cflags=-16777216)
+    at ../accel/tcg/translate-all.c:1744
+#21 0x000000400036a6e0 in tb_find (cpu=0x7fac59b63150, last_tb=0x7fac3419c400, tb_exit=0, cf_mask=0) at ../accel/tcg/cpu-exec.c:414
+--Type <RET> for more, q to quit, c to continue without paging--
+#22 0x000000400036b040 in cpu_exec (cpu=0x7fac59b63150) at ../accel/tcg/cpu-exec.c:770
+#23 0x0000004000113a90 in cpu_loop (env=0x7fac59b6b490) at ../linux-user/aarch64/cpu_loop.c:84
+#24 0x00000040002fb8c0 in main (argc=2, argv=0x40021a8e68, envp=0x40021a8e80) at ../linux-user/main.c:864
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