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authorRichard Sandiford <richard.sandiford@arm.com>2015-06-30 20:56:43 +0000
committerRichard Sandiford <rsandifo@gcc.gnu.org>2015-06-30 20:56:43 +0000
commit20fceb31cd7e622b5a4d575249858da92d1fd79b (patch)
tree098dfc3be0a0f599560f5be88b735ac1df50858f /gcc/expr.c
parentccf5bbdd40aaa0258eb9671cd11c0bab4a16236e (diff)
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* defaults.h (HAVE_load_multiple, gen_load_multiple) (HAVE_store_multiple, gen_store_multiple): Delete. * target-insns.def (load_multiple, store_multiple): New targetm instruction patterns. * expr.c (move_block_to_reg, move_block_from_reg): Use them instead of HAVE_*/gen_* interface. From-SVN: r225210
Diffstat (limited to 'gcc/expr.c')
-rw-r--r--gcc/expr.c28
1 files changed, 11 insertions, 17 deletions
diff --git a/gcc/expr.c b/gcc/expr.c
index 1b4a37c..6690574 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -1491,10 +1491,6 @@ emit_block_move_via_loop (rtx x, rtx y, rtx size,
void
move_block_to_reg (int regno, rtx x, int nregs, machine_mode mode)
{
- int i;
- rtx pat;
- rtx_insn *last;
-
if (nregs == 0)
return;
@@ -1502,12 +1498,12 @@ move_block_to_reg (int regno, rtx x, int nregs, machine_mode mode)
x = validize_mem (force_const_mem (mode, x));
/* See if the machine can do this with a load multiple insn. */
- if (HAVE_load_multiple)
+ if (targetm.have_load_multiple ())
{
- last = get_last_insn ();
- pat = gen_load_multiple (gen_rtx_REG (word_mode, regno), x,
- GEN_INT (nregs));
- if (pat)
+ rtx_insn *last = get_last_insn ();
+ rtx first = gen_rtx_REG (word_mode, regno);
+ if (rtx_insn *pat = targetm.gen_load_multiple (first, x,
+ GEN_INT (nregs)))
{
emit_insn (pat);
return;
@@ -1516,7 +1512,7 @@ move_block_to_reg (int regno, rtx x, int nregs, machine_mode mode)
delete_insns_since (last);
}
- for (i = 0; i < nregs; i++)
+ for (int i = 0; i < nregs; i++)
emit_move_insn (gen_rtx_REG (word_mode, regno + i),
operand_subword_force (x, i, mode));
}
@@ -1527,18 +1523,16 @@ move_block_to_reg (int regno, rtx x, int nregs, machine_mode mode)
void
move_block_from_reg (int regno, rtx x, int nregs)
{
- int i;
-
if (nregs == 0)
return;
/* See if the machine can do this with a store multiple insn. */
- if (HAVE_store_multiple)
+ if (targetm.have_store_multiple ())
{
rtx_insn *last = get_last_insn ();
- rtx pat = gen_store_multiple (x, gen_rtx_REG (word_mode, regno),
- GEN_INT (nregs));
- if (pat)
+ rtx first = gen_rtx_REG (word_mode, regno);
+ if (rtx_insn *pat = targetm.gen_store_multiple (x, first,
+ GEN_INT (nregs)))
{
emit_insn (pat);
return;
@@ -1547,7 +1541,7 @@ move_block_from_reg (int regno, rtx x, int nregs)
delete_insns_since (last);
}
- for (i = 0; i < nregs; i++)
+ for (int i = 0; i < nregs; i++)
{
rtx tem = operand_subword (x, i, 1, BLKmode);