[Bug target/44364] Wrong code with e500 double floating point

[amodra at gmail dot com]

------- Comment #28 from amodra at gmail dot com  2010-06-07 17:05 -------
Please bootstrap and test this addition to e500.h

/* When setting up caller-save slots (MODE == VOIDmode) ensure we
   allocate space for DFmode.  Save gprs in the correct mode too.  */
#define HARD_REGNO_CALLER_SAVE_MODE(REGNO, NREGS, MODE) \
  (TARGET_E500_DOUBLE && ((MODE) == VOIDmode || (MODE) == DFmode)       \
   ? DFmode                                                             \
   : choose_hard_reg_mode ((REGNO), (NREGS), false))


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44364