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| author | Andreas Schwab <schwab@linux-m68k.org> | 2014-01-03 13:57:45 +0000 |
|---|---|---|
| committer | Andreas Schwab <schwab@gcc.gnu.org> | 2014-01-03 13:57:45 +0000 |
| commit | e864837ad6b324d0025bc4a1a06cf480da34deb3 (patch) | |
| tree | c542c3c6c56003a7d08bcf086a2d360f5ad21eb2 | |
| parent | 56a34230f19c63e9203c3d1b2c3ff8c3f6e0bb7f (diff) | |
| download | gcc-e864837ad6b324d0025bc4a1a06cf480da34deb3.zip gcc-e864837ad6b324d0025bc4a1a06cf480da34deb3.tar.gz gcc-e864837ad6b324d0025bc4a1a06cf480da34deb3.tar.bz2 | |
m68k.c (handle_move_double): Handle pushes with overlapping registers also for registers other than the...
* config/m68k/m68k.c (handle_move_double): Handle pushes with
overlapping registers also for registers other than the stack
pointer.
From-SVN: r206317
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/m68k/m68k.c | 10 |
2 files changed, 11 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a5e8ee2..1cb81b7 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2014-01-03 Andreas Schwab <schwab@linux-m68k.org> + + * config/m68k/m68k.c (handle_move_double): Handle pushes with + overlapping registers also for registers other than the stack + pointer. + 2014-01-03 Marek Polacek <polacek@redhat.com> PR other/59661 diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c index 25b8580..f20d071 100644 --- a/gcc/config/m68k/m68k.c +++ b/gcc/config/m68k/m68k.c @@ -3328,12 +3328,12 @@ handle_move_double (rtx operands[2], latehalf[1] = adjust_address (operands[1], SImode, 0); } - /* If insn is effectively movd N(sp),-(sp) then we will do the - high word first. We should use the adjusted operand 1 (which is N+4(sp)) - for the low word as well, to compensate for the first decrement of sp. */ + /* If insn is effectively movd N(REG),-(REG) then we will do the high + word first. We should use the adjusted operand 1 (which is N+4(REG)) + for the low word as well, to compensate for the first decrement of + REG. */ if (optype0 == PUSHOP - && REGNO (XEXP (XEXP (operands[0], 0), 0)) == STACK_POINTER_REGNUM - && reg_overlap_mentioned_p (stack_pointer_rtx, operands[1])) + && reg_overlap_mentioned_p (XEXP (XEXP (operands[0], 0), 0), operands[1])) operands[1] = middlehalf[1] = latehalf[1]; /* For (set (reg:DI N) (mem:DI ... (reg:SI N) ...)), |