summaryrefslogtreecommitdiff
path: root/gcc/config/mips/mips.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/config/mips/mips.c')
-rw-r--r--gcc/config/mips/mips.c88
1 files changed, 67 insertions, 21 deletions
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c
index d48a46582b5..2e6c3001178 100644
--- a/gcc/config/mips/mips.c
+++ b/gcc/config/mips/mips.c
@@ -2569,7 +2569,7 @@ mips_strip_unspec_address (rtx op)
split_const (op, &base, &offset);
if (UNSPEC_ADDRESS_P (base))
- op = plus_constant (UNSPEC_ADDRESS (base), INTVAL (offset));
+ op = plus_constant (Pmode, UNSPEC_ADDRESS (base), INTVAL (offset));
return op;
}
@@ -2622,7 +2622,8 @@ mips16_gp_pseudo_reg (void)
scan = NEXT_INSN (scan);
insn = gen_load_const_gp (cfun->machine->mips16_gp_pseudo_rtx);
- emit_insn_after (insn, scan);
+ insn = emit_insn_after (insn, scan);
+ INSN_LOCATOR (insn) = 0;
pop_topmost_sequence ();
}
@@ -2808,7 +2809,7 @@ mips_add_offset (rtx temp, rtx reg, HOST_WIDE_INT offset)
high = mips_force_temporary (temp, high);
reg = mips_force_temporary (temp, gen_rtx_PLUS (Pmode, high, reg));
}
- return plus_constant (reg, offset);
+ return plus_constant (Pmode, reg, offset);
}
/* The __tls_get_attr symbol. */
@@ -3490,6 +3491,37 @@ mips_zero_extend_cost (enum machine_mode mode, rtx op)
return COSTS_N_INSNS (1);
}
+/* Return the cost of moving between two registers of mode MODE,
+ assuming that the move will be in pieces of at most UNITS bytes. */
+
+static int
+mips_set_reg_reg_piece_cost (enum machine_mode mode, unsigned int units)
+{
+ return COSTS_N_INSNS ((GET_MODE_SIZE (mode) + units - 1) / units);
+}
+
+/* Return the cost of moving between two registers of mode MODE. */
+
+static int
+mips_set_reg_reg_cost (enum machine_mode mode)
+{
+ switch (GET_MODE_CLASS (mode))
+ {
+ case MODE_CC:
+ return mips_set_reg_reg_piece_cost (mode, GET_MODE_SIZE (CCmode));
+
+ case MODE_FLOAT:
+ case MODE_COMPLEX_FLOAT:
+ case MODE_VECTOR_FLOAT:
+ if (TARGET_HARD_FLOAT)
+ return mips_set_reg_reg_piece_cost (mode, UNITS_PER_HWFPVALUE);
+ /* Fall through */
+
+ default:
+ return mips_set_reg_reg_piece_cost (mode, UNITS_PER_WORD);
+ }
+}
+
/* Implement TARGET_RTX_COSTS. */
static bool
@@ -3877,6 +3909,15 @@ mips_rtx_costs (rtx x, int code, int outer_code, int opno ATTRIBUTE_UNUSED,
*total = mips_cost->fp_add;
return false;
+ case SET:
+ if (register_operand (SET_DEST (x), VOIDmode)
+ && reg_or_0_operand (SET_SRC (x), VOIDmode))
+ {
+ *total = mips_set_reg_reg_cost (GET_MODE (SET_DEST (x)));
+ return true;
+ }
+ return false;
+
default:
return false;
}
@@ -5392,7 +5433,7 @@ mips_setup_incoming_varargs (cumulative_args_t cum, enum machine_mode mode,
{
rtx ptr, mem;
- ptr = plus_constant (virtual_incoming_args_rtx,
+ ptr = plus_constant (Pmode, virtual_incoming_args_rtx,
REG_PARM_STACK_SPACE (cfun->decl)
- gp_saved * UNITS_PER_WORD);
mem = gen_frame_mem (BLKmode, ptr);
@@ -5421,7 +5462,7 @@ mips_setup_incoming_varargs (cumulative_args_t cum, enum machine_mode mode,
{
rtx ptr, mem;
- ptr = plus_constant (virtual_incoming_args_rtx, off);
+ ptr = plus_constant (Pmode, virtual_incoming_args_rtx, off);
mem = gen_frame_mem (mode, ptr);
set_mem_alias_set (mem, get_varargs_alias_set ());
mips_emit_move (mem, gen_rtx_REG (mode, FP_ARG_FIRST + i));
@@ -5584,7 +5625,7 @@ mips_va_start (tree valist, rtx nextarg)
}
else
{
- nextarg = plus_constant (nextarg, -cfun->machine->varargs_size);
+ nextarg = plus_constant (Pmode, nextarg, -cfun->machine->varargs_size);
std_expand_builtin_va_start (valist, nextarg);
}
}
@@ -6951,8 +6992,8 @@ mips_block_move_loop (rtx dest, rtx src, HOST_WIDE_INT length,
mips_block_move_straight (dest, src, bytes_per_iter);
/* Move on to the next block. */
- mips_emit_move (src_reg, plus_constant (src_reg, bytes_per_iter));
- mips_emit_move (dest_reg, plus_constant (dest_reg, bytes_per_iter));
+ mips_emit_move (src_reg, plus_constant (Pmode, src_reg, bytes_per_iter));
+ mips_emit_move (dest_reg, plus_constant (Pmode, dest_reg, bytes_per_iter));
/* Emit the loop condition. */
test = gen_rtx_NE (VOIDmode, src_reg, final_src);
@@ -7892,7 +7933,7 @@ mips_print_operand (FILE *file, rtx op, int letter)
case MEM:
if (letter == 'D')
- output_address (plus_constant (XEXP (op, 0), 4));
+ output_address (plus_constant (Pmode, XEXP (op, 0), 4));
else if (letter && letter != 'z')
output_operand_lossage ("invalid use of '%%%c'", letter);
else
@@ -8751,7 +8792,8 @@ mips16e_save_restore_reg (bool restore_p, bool reg_parm_p,
{
rtx reg, mem;
- mem = gen_frame_mem (SImode, plus_constant (stack_pointer_rtx, offset));
+ mem = gen_frame_mem (SImode, plus_constant (Pmode, stack_pointer_rtx,
+ offset));
reg = gen_rtx_REG (SImode, regno);
if (restore_p)
{
@@ -8810,7 +8852,7 @@ mips16e_build_save_restore (bool restore_p, unsigned int *mask_ptr,
/* Add the stack pointer adjustment. */
set = gen_rtx_SET (VOIDmode, stack_pointer_rtx,
- plus_constant (stack_pointer_rtx,
+ plus_constant (Pmode, stack_pointer_rtx,
restore_p ? size : -size));
RTX_FRAME_RELATED_P (set) = 1;
XVECEXP (pattern, 0, n++) = set;
@@ -9951,7 +9993,8 @@ mips_save_restore_reg (enum machine_mode mode, int regno,
{
rtx mem;
- mem = gen_frame_mem (mode, plus_constant (stack_pointer_rtx, offset));
+ mem = gen_frame_mem (mode, plus_constant (Pmode, stack_pointer_rtx,
+ offset));
fn (gen_rtx_REG (mode, regno), mem);
}
@@ -10441,7 +10484,7 @@ mips_expand_prologue (void)
{
/* Push EPC into its stack slot. */
mem = gen_frame_mem (word_mode,
- plus_constant (stack_pointer_rtx,
+ plus_constant (Pmode, stack_pointer_rtx,
offset));
mips_emit_move (mem, gen_rtx_REG (word_mode, K1_REG_NUM));
offset -= UNITS_PER_WORD;
@@ -10460,7 +10503,8 @@ mips_expand_prologue (void)
/* Push Status into its stack slot. */
mem = gen_frame_mem (word_mode,
- plus_constant (stack_pointer_rtx, offset));
+ plus_constant (Pmode, stack_pointer_rtx,
+ offset));
mips_emit_move (mem, gen_rtx_REG (word_mode, K1_REG_NUM));
offset -= UNITS_PER_WORD;
@@ -10532,7 +10576,7 @@ mips_expand_prologue (void)
/* Describe the combined effect of the previous instructions. */
mips_set_frame_expr
(gen_rtx_SET (VOIDmode, stack_pointer_rtx,
- plus_constant (stack_pointer_rtx, -size)));
+ plus_constant (Pmode, stack_pointer_rtx, -size)));
}
mips_frame_barrier ();
}
@@ -10563,7 +10607,7 @@ mips_expand_prologue (void)
MIPS_PROLOGUE_TEMP (Pmode)));
mips_set_frame_expr
(gen_rtx_SET (VOIDmode, hard_frame_pointer_rtx,
- plus_constant (stack_pointer_rtx, offset)));
+ plus_constant (Pmode, stack_pointer_rtx, offset)));
}
}
@@ -10576,7 +10620,7 @@ mips_expand_prologue (void)
HOST_WIDE_INT offset;
mips_get_cprestore_base_and_offset (&base, &offset, false);
- mem = gen_frame_mem (Pmode, plus_constant (base, offset));
+ mem = gen_frame_mem (Pmode, plus_constant (Pmode, base, offset));
gp = TARGET_MIPS16 ? MIPS16_PIC_TEMP : pic_offset_table_rtx;
temp = (SMALL_OPERAND (offset)
? gen_rtx_SCRATCH (Pmode)
@@ -10585,7 +10629,7 @@ mips_expand_prologue (void)
(mem, GEN_INT (offset), gp, temp)));
mips_get_cprestore_base_and_offset (&base, &offset, true);
- mem = gen_frame_mem (Pmode, plus_constant (base, offset));
+ mem = gen_frame_mem (Pmode, plus_constant (Pmode, base, offset));
emit_insn (PMODE_INSN (gen_use_cprestore, (mem)));
}
@@ -10641,7 +10685,7 @@ mips_epilogue_set_cfa (rtx reg, HOST_WIDE_INT offset)
{
RTX_FRAME_RELATED_P (insn) = 1;
REG_NOTES (insn) = alloc_reg_note (REG_CFA_DEF_CFA,
- plus_constant (reg, offset),
+ plus_constant (Pmode, reg, offset),
REG_NOTES (insn));
mips_epilogue.cfa_reg = reg;
mips_epilogue.cfa_offset = offset;
@@ -10830,7 +10874,8 @@ mips_expand_epilogue (bool sibcall_p)
{
/* Restore the original EPC. */
mem = gen_frame_mem (word_mode,
- plus_constant (stack_pointer_rtx, offset));
+ plus_constant (Pmode, stack_pointer_rtx,
+ offset));
mips_emit_move (gen_rtx_REG (word_mode, K0_REG_NUM), mem);
offset -= UNITS_PER_WORD;
@@ -10841,7 +10886,8 @@ mips_expand_epilogue (bool sibcall_p)
/* Restore the original Status. */
mem = gen_frame_mem (word_mode,
- plus_constant (stack_pointer_rtx, offset));
+ plus_constant (Pmode, stack_pointer_rtx,
+ offset));
mips_emit_move (gen_rtx_REG (word_mode, K0_REG_NUM), mem);
offset -= UNITS_PER_WORD;