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rs6000.c (rs6000_emit_move): #if 0 splitting slow, unaligned loads and stores while debugging.

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* config/rs6000/rs6000.c (rs6000_emit_move): #if 0 splitting
        slow, unaligned loads and stores while debugging.  Fix formatting.

From-SVN: r76752
This commit is contained in:
David Edelsohn 2004-01-27 22:00:55 +00:00 committed by David Edelsohn
parent f2919ef38a
commit 2d9db8eb8d
2 changed files with 20 additions and 14 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-01-27 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.c (rs6000_emit_move): #if 0 splitting
slow, unaligned loads and stores while debugging. Fix formatting.
2004-01-27 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.md (save_stack_nonlocal): Use Pmode instead

29
gcc/config/rs6000/rs6000.c
View File

@ -3426,6 +3426,7 @@ rs6000_emit_move (rtx dest, rtx source, enum machine_mode mode)
adjust_address (operands[1], SImode, 4));
return;
}
#if 0
else if (mode == DImode && TARGET_POWERPC64
&& GET_CODE (operands[0]) == REG
&& GET_CODE (operands[1]) == MEM && optimize > 0
@ -3435,16 +3436,15 @@ rs6000_emit_move (rtx dest, rtx source, enum machine_mode mode)
: MEM_ALIGN (operands[1]))
&& !no_new_pseudos)
{
rtx mem;
rtx reg = gen_reg_rtx (SImode);
mem = adjust_address (operands[1], SImode, 0);
emit_insn (gen_rtx_SET (SImode, reg, mem));
reg = simplify_gen_subreg (DImode, reg, SImode, 0);
emit_insn (gen_rtx_SET (SImode, reg,
adjust_address (operands[1], SImode, 0)));
reg = simplify_gen_subreg (DImode, reg, SImode, 0);
emit_insn (gen_insvdi (operands[0], GEN_INT (32), const0_rtx, reg));
reg = gen_reg_rtx (SImode);
mem = adjust_address (operands[1], SImode, 4);
emit_insn (gen_rtx_SET (SImode, reg, mem));
reg = simplify_gen_subreg (DImode, reg, SImode, 0);
emit_insn (gen_rtx_SET (SImode, reg,
adjust_address (operands[1], SImode, 4)));
reg = simplify_gen_subreg (DImode, reg, SImode, 0);
emit_insn (gen_insvdi (operands[0], GEN_INT (32), GEN_INT (32), reg));
return;
}
@ -3457,15 +3457,16 @@ rs6000_emit_move (rtx dest, rtx source, enum machine_mode mode)
: MEM_ALIGN (operands[0]))
&& !no_new_pseudos)
{
rtx mem;
rtx reg = gen_reg_rtx (DImode);
emit_move_insn (reg, gen_rtx_LSHIFTRT (DImode, operands[1], GEN_INT (32)));
mem = adjust_address (operands[0], SImode, 0);
emit_move_insn (mem, simplify_gen_subreg (SImode, reg, DImode, 0));
mem = adjust_address (operands[0], SImode, 4);
emit_move_insn (mem, simplify_gen_subreg (SImode, operands[1], DImode, 0));
emit_move_insn (reg,
gen_rtx_LSHIFTRT (DImode, operands[1], GEN_INT (32)));
emit_move_insn (adjust_address (operands[0], SImode, 0),
simplify_gen_subreg (SImode, reg, DImode, 0));
emit_move_insn (adjust_address (operands[0], SImode, 4),
simplify_gen_subreg (SImode, operands[1], DImode, 0));
return;
}
#endif
if (!no_new_pseudos)
{
@ -4500,7 +4501,7 @@ function_arg_pass_by_reference (CUMULATIVE_ARGS *cum ATTRIBUTE_UNUSED,
}
static void
rs6000_move_block_from_reg(int regno, rtx x, int nregs)
rs6000_move_block_from_reg (int regno, rtx x, int nregs)
{
int i;
enum machine_mode reg_mode = TARGET_32BIT ? SImode : DImode;