Created attachment 165704 [details] patch Must add result registers also, or else code like this is generated: asm( "fsave %3\n" "movl %2, %%eax\n" "cdq\n" "movl %%edx, %0\n" "movl %%eax, %1\n" "frstor %3\n" "cld\n" : "=m" (result0), "=m" (result1) : "m" (preset0), "m" (state[0]) : "eax" ); This crashes on my machine because gcc places some pointer in %%edx.
Done. commit 8b3d0828451f8e69e0eaf3807ffbe502aecda428 (HEAD -> master, origin/master, origin/HEAD, bug481131) Author: Gra??vydas Ignotas <notasas@gmail.com> Date: Fri Feb 9 19:02:23 2024 +0200 x86 regtest: fix clobber lists in generated asm statements Must add result registers also, or else code like this is generated: asm( "fsave %3\n" "movl %2, %%eax\n" "cdq\n" "movl %%edx, %0\n" "movl %%eax, %1\n" "frstor %3\n" "cld\n" : "=m" (result0), "=m" (result1) : "m" (preset0), "m" (state[0]) : "eax" ); This crashes on my machine because gcc places some pointer in %%edx.