* i386.c (print_reg): Do not abort on certain registers.
PR optimization/12612
* reg-stack.c (subst_stack_regs_pat): Use st(1) for clobbers.
* i386.md (fpatan, fyl2x, fscale patterns and expanders): Use
match_scratch; avoid bogus paralles.
PR target/12674
* i386.c (ix86_function_regparm): Disable implicit register passing
conventions when profiling.
From-SVN: r72681
