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Diffstat (limited to 'gcc/config/mn10300/mn10300.c')
-rw-r--r--gcc/config/mn10300/mn10300.c84
1 files changed, 34 insertions, 50 deletions
diff --git a/gcc/config/mn10300/mn10300.c b/gcc/config/mn10300/mn10300.c
index d7b79244589..8c93f4162c1 100644
--- a/gcc/config/mn10300/mn10300.c
+++ b/gcc/config/mn10300/mn10300.c
@@ -1,6 +1,6 @@
/* Subroutines for insn-output.c for Matsushita MN10300 series
- Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
- Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+ 2005, 2006, 2007 Free Software Foundation, Inc.
Contributed by Jeff Law (law@cygnus.com).
This file is part of GCC.
@@ -60,12 +60,12 @@ enum processor_type mn10300_processor = PROCESSOR_DEFAULT;
/* The size of the callee register save area. Right now we save everything
on entry since it costs us nothing in code size. It does cost us from a
speed standpoint, so we want to optimize this sooner or later. */
-#define REG_SAVE_BYTES (4 * regs_ever_live[2] \
- + 4 * regs_ever_live[3] \
- + 4 * regs_ever_live[6] \
- + 4 * regs_ever_live[7] \
- + 16 * (regs_ever_live[14] || regs_ever_live[15] \
- || regs_ever_live[16] || regs_ever_live[17]))
+#define REG_SAVE_BYTES (4 * df_regs_ever_live_p (2) \
+ + 4 * df_regs_ever_live_p (3) \
+ + 4 * df_regs_ever_live_p (6) \
+ + 4 * df_regs_ever_live_p (7) \
+ + 16 * (df_regs_ever_live_p (14) || df_regs_ever_live_p (15) \
+ || df_regs_ever_live_p (16) || df_regs_ever_live_p (17)))
static bool mn10300_handle_option (size_t, const char *, int);
@@ -537,7 +537,7 @@ fp_regs_to_save (void)
return 0;
for (i = FIRST_FP_REGNUM; i <= LAST_FP_REGNUM; ++i)
- if (regs_ever_live[i] && ! call_used_regs[i])
+ if (df_regs_ever_live_p (i) && ! call_used_regs[i])
++n;
return n;
@@ -590,14 +590,14 @@ can_use_return_insn (void)
return (reload_completed
&& size == 0
- && !regs_ever_live[2]
- && !regs_ever_live[3]
- && !regs_ever_live[6]
- && !regs_ever_live[7]
- && !regs_ever_live[14]
- && !regs_ever_live[15]
- && !regs_ever_live[16]
- && !regs_ever_live[17]
+ && !df_regs_ever_live_p (2)
+ && !df_regs_ever_live_p (3)
+ && !df_regs_ever_live_p (6)
+ && !df_regs_ever_live_p (7)
+ && !df_regs_ever_live_p (14)
+ && !df_regs_ever_live_p (15)
+ && !df_regs_ever_live_p (16)
+ && !df_regs_ever_live_p (17)
&& fp_regs_to_save () == 0
&& !frame_pointer_needed);
}
@@ -614,7 +614,7 @@ mn10300_get_live_callee_saved_regs (void)
mask = 0;
for (i = 0; i <= LAST_EXTENDED_REGNUM; i++)
- if (regs_ever_live[i] && ! call_used_regs[i])
+ if (df_regs_ever_live_p (i) && ! call_used_regs[i])
mask |= (1 << i);
if ((mask & 0x3c000) != 0)
mask |= 0x3c000;
@@ -907,7 +907,7 @@ expand_prologue (void)
/* Now actually save the FP registers. */
for (i = FIRST_FP_REGNUM; i <= LAST_FP_REGNUM; ++i)
- if (regs_ever_live[i] && ! call_used_regs[i])
+ if (df_regs_ever_live_p (i) && ! call_used_regs[i])
{
rtx addr;
@@ -944,24 +944,8 @@ expand_prologue (void)
emit_insn (gen_addsi3 (stack_pointer_rtx,
stack_pointer_rtx,
GEN_INT (-size)));
- if (flag_pic && regs_ever_live[PIC_OFFSET_TABLE_REGNUM])
- {
- rtx insn = get_last_insn ();
- rtx last = emit_insn (gen_GOTaddr2picreg ());
-
- /* Mark these insns as possibly dead. Sometimes, flow2 may
- delete all uses of the PIC register. In this case, let it
- delete the initialization too. */
- do
- {
- insn = NEXT_INSN (insn);
-
- REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_MAYBE_DEAD,
- const0_rtx,
- REG_NOTES (insn));
- }
- while (insn != last);
- }
+ if (flag_pic && df_regs_ever_live_p (PIC_OFFSET_TABLE_REGNUM))
+ emit_insn (gen_GOTaddr2picreg ());
}
void
@@ -1127,7 +1111,7 @@ expand_epilogue (void)
reg = gen_rtx_POST_INC (SImode, reg);
for (i = FIRST_FP_REGNUM; i <= LAST_FP_REGNUM; ++i)
- if (regs_ever_live[i] && ! call_used_regs[i])
+ if (df_regs_ever_live_p (i) && ! call_used_regs[i])
{
rtx addr;
@@ -1189,10 +1173,10 @@ expand_epilogue (void)
}
/* Adjust the stack and restore callee-saved registers, if any. */
- if (size || regs_ever_live[2] || regs_ever_live[3]
- || regs_ever_live[6] || regs_ever_live[7]
- || regs_ever_live[14] || regs_ever_live[15]
- || regs_ever_live[16] || regs_ever_live[17]
+ if (size || df_regs_ever_live_p (2) || df_regs_ever_live_p (3)
+ || df_regs_ever_live_p (6) || df_regs_ever_live_p (7)
+ || df_regs_ever_live_p (14) || df_regs_ever_live_p (15)
+ || df_regs_ever_live_p (16) || df_regs_ever_live_p (17)
|| frame_pointer_needed)
emit_jump_insn (gen_return_internal_regs
(GEN_INT (size + REG_SAVE_BYTES)));
@@ -1401,10 +1385,10 @@ initial_offset (int from, int to)
is the size of the callee register save area. */
if (from == ARG_POINTER_REGNUM && to == FRAME_POINTER_REGNUM)
{
- if (regs_ever_live[2] || regs_ever_live[3]
- || regs_ever_live[6] || regs_ever_live[7]
- || regs_ever_live[14] || regs_ever_live[15]
- || regs_ever_live[16] || regs_ever_live[17]
+ if (df_regs_ever_live_p (2) || df_regs_ever_live_p (3)
+ || df_regs_ever_live_p (6) || df_regs_ever_live_p (7)
+ || df_regs_ever_live_p (14) || df_regs_ever_live_p (15)
+ || df_regs_ever_live_p (16) || df_regs_ever_live_p (17)
|| fp_regs_to_save ()
|| frame_pointer_needed)
return REG_SAVE_BYTES
@@ -1418,10 +1402,10 @@ initial_offset (int from, int to)
area, and the fixed stack space needed for function calls (if any). */
if (from == ARG_POINTER_REGNUM && to == STACK_POINTER_REGNUM)
{
- if (regs_ever_live[2] || regs_ever_live[3]
- || regs_ever_live[6] || regs_ever_live[7]
- || regs_ever_live[14] || regs_ever_live[15]
- || regs_ever_live[16] || regs_ever_live[17]
+ if (df_regs_ever_live_p (2) || df_regs_ever_live_p (3)
+ || df_regs_ever_live_p (6) || df_regs_ever_live_p (7)
+ || df_regs_ever_live_p (14) || df_regs_ever_live_p (15)
+ || df_regs_ever_live_p (16) || df_regs_ever_live_p (17)
|| fp_regs_to_save ()
|| frame_pointer_needed)
return (get_frame_size () + REG_SAVE_BYTES
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