[Bug 264590] assembler generates wrong opcodes of instructions fdiv fdivp fdivr fdivrp fsub fsubp fsubr fsubrp

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 10 Jun 2022 13:41:14 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=264590

--- Comment #5 from var@schellong.biz ---
0000000000000024 <sd>:
  24:   55                      push   %rbp
  25:   48 89 e5                mov    %rsp,%rbp
  28:   d9 eb                   fldpi  
  2a:   d9 e8                   fld1   
  2c:   de f1                   fdivp  %st,%st(1)
  2e:   5d                      pop    %rbp
  2f:   c3                      retq   

The 'objdump' works wrong too.
'de f1' is NOT the opcode of 'fdivp', but of 'fdivrp'!

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