https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103785
--- Comment #9 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to H.J. Lu from comment #8) > Created attachment 52055 [details] > Good and bad asm > > --- good.s 2021-12-24 11:24:26.531365375 -0800 > +++ bad.s 2021-12-24 11:24:30.769344666 -0800 > @@ -10,7 +10,6 @@ sem_type__interp_map__setX: > .cfi_def_cfa_offset 8 > .cfi_offset 7, -8 > movl %edx, %edi > - movl $714200473, %edx > pushl %esi > .cfi_def_cfa_offset 12 > .cfi_offset 6, -12 > @@ -18,7 +17,8 @@ sem_type__interp_map__setX: > .cfi_def_cfa_offset 16 > .cfi_offset 3, -16 > movl %eax, %ebx > - imull %edx > + movl $714200473, %eax This is wrong since EAX is an implicit input operand. > + imull %eax > movl %ebx, %eax > sarl $31, %eax > sarl $9, %edx
