reload error in current x86 mainline version

Jeffrey A Law law@cygnus.com
Mon Dec 13 22:26:00 GMT 1999


  In message <m3ogd8yu8u.fsf@localhost.localnet>you write:
  > The appended code produces using the current mainline version of gcc
  > on x86 (when optimizing) the following error:
  > 
  > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  > math/s_ccoshl.i: In function `__ccoshl':
  > math/s_ccoshl.i:100: Insn does not satisfy its constraints:
  > (insn 125 460 126 (set (reg/v:XF 3 ebx)
  >         (reg:XF 8 st(0))) 86 {*movxf_1} (nil)
  >     (expr_list:REG_EQUAL (const_double:XF (cc0) 0 [0x0] 0 [0x0] 0 [0x0])
  >         (nil)))
  > math/s_ccoshl.i:100: Internal compiler error in `reload_cse_simplify_operan
  > ds', at reload1.c:9186
  > Please submit a full bug report.
  > See <URL: http://www.gnu.org/software/gcc/faq.html#bugreport > for instructio
  > ns.
I just tried this with the current development sources and it worked fine.
Presumably it was a transient bug in the compiler.
jeff



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