Ian Lance Taylor <ian@airs.com> wrote: >> Any reason why we blindly assume destination registers will be hard >> registers here? >> >> Index: regmove.c >> =================================================================== >> RCS file: /cvs/gcc/gcc/gcc/regmove.c,v >> retrieving revision 1.173 >> diff -p -U3 -r1.173 regmove.c >> --- regmove.c 25 Aug 2005 06:44:09 -0000 1.173 >> +++ regmove.c 14 Sep 2005 00:27:34 -0000 >> @@ -1020,7 +1020,8 @@ fixup_match_2 (rtx insn, rtx dst, rtx sr >> if (REG_N_CALLS_CROSSED (REGNO (src)) == 0) >> break; >> >> - if (call_used_regs [REGNO (dst)] >> + if ((REGNO(dst) < FIRST_PSEUDO_REGISTER >> + && call_used_regs [REGNO (dst)]) >> || find_reg_fusage (p, CLOBBER, dst)) >> break; >> } > > The destination register which is set by a CALL will normally be > FUNCTION_VALUE, which is normally a hard register.
gcc_assert? -- Giovanni Bajo