[Bug rtl-optimization/48830] [4.4/4.5/4.6/4.7 Regression] unrecognized insn: storing invalid upper fp reg in SImode to stack

[rsandifo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48830

--- Comment #13 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> 2011-06-01 19:47:22 UTC ---
Author: rsandifo
Date: Wed Jun  1 19:47:19 2011
New Revision: 174540

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=174540
Log:
gcc/
    PR rtl-optimization/48830
    PR rtl-optimization/48808
    PR rtl-optimization/48792
    * reload.c (push_reload): Check contains_reg_of_mode.
    * reload1.c (strip_paradoxical_subreg): New function.
    (gen_reload_chain_without_interm_reg_p): Use it to handle
    paradoxical subregs.
    (emit_output_reload_insns, gen_reload): Likewise.

gcc/testsuite/
2011-06-01  Eric Botcazou  <ebotcazou@adacore.com>
        Hans-Peter Nilsson  <hp@axis.com>

    PR rtl-optimization/48830
    * gcc.target/sparc/ultrasp12.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/sparc/ultrasp12.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/reload.c
    trunk/gcc/reload1.c
    trunk/gcc/testsuite/ChangeLog