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dwarf2out.c (reg_save): Use INVALID_REGNUM.

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* dwarf2out.c (reg_save): Use INVALID_REGNUM.
        (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
        (initial_return_save): Likewise.
        (flush_queued_reg_saves): Remap register numbers.
        (dwarf2out_return_reg): Likewise.

From-SVN: r83999
This commit is contained in:
Richard Henderson 2004-07-01 13:53:55 -07:00 committed by Richard Henderson
parent 1e748a2b15
commit 1bac38110a
2 changed files with 21 additions and 9 deletions
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8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2004-07-01 Richard Henderson <rth@redhat.com>
* dwarf2out.c (reg_save): Use INVALID_REGNUM.
(dwarf2out_reg_save, dwarf2out_return_save): Likewise.
(initial_return_save): Likewise.
(flush_queued_reg_saves): Remap register numbers.
(dwarf2out_return_reg): Likewise.
2004-07-01 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.

22
gcc/dwarf2out.c
View File

@ -812,9 +812,7 @@ reg_save (const char *label, unsigned int reg, unsigned int sreg, HOST_WIDE_INT
cfi->dw_cfi_oprnd1.dw_cfi_reg_num = reg;
/* The following comparison is correct. -1 is used to indicate that
the value isn't a register number. */
if (sreg == (unsigned int) -1)
if (sreg == INVALID_REGNUM)
{
if (reg & ~0x3f)
/* The register number won't fit in 6 bits, so we have to use
@ -893,7 +891,7 @@ dwarf2out_args_size (const char *label, HOST_WIDE_INT size)
void
dwarf2out_reg_save (const char *label, unsigned int reg, HOST_WIDE_INT offset)
{
reg_save (label, DWARF_FRAME_REGNUM (reg), -1, offset);
reg_save (label, DWARF_FRAME_REGNUM (reg), INVALID_REGNUM, offset);
}
/* Entry point for saving the return address in the stack.
@ -902,7 +900,7 @@ dwarf2out_reg_save (const char *label, unsigned int reg, HOST_WIDE_INT offset)
void
dwarf2out_return_save (const char *label, HOST_WIDE_INT offset)
{
reg_save (label, DWARF_FRAME_RETURN_COLUMN, -1, offset);
reg_save (label, DWARF_FRAME_RETURN_COLUMN, INVALID_REGNUM, offset);
}
/* Entry point for saving the return address in a register.
@ -911,7 +909,7 @@ dwarf2out_return_save (const char *label, HOST_WIDE_INT offset)
void
dwarf2out_return_reg (const char *label, unsigned int sreg)
{
reg_save (label, DWARF_FRAME_RETURN_COLUMN, sreg, 0);
reg_save (label, DWARF_FRAME_RETURN_COLUMN, DWARF_FRAME_REGNUM (sreg), 0);
}
/* Record the initial position of the return address. RTL is
@ -920,7 +918,7 @@ dwarf2out_return_reg (const char *label, unsigned int sreg)
static void
initial_return_save (rtx rtl)
{
unsigned int reg = (unsigned int) -1;
unsigned int reg = INVALID_REGNUM;
HOST_WIDE_INT offset = 0;
switch (GET_CODE (rtl))
@ -1203,6 +1201,8 @@ flush_queued_reg_saves (void)
for (q = queued_reg_saves; q; q = q->next)
{
size_t i;
unsigned int reg, sreg;
for (i = 0; i < num_regs_saved_in_regs; i++)
if (REGNO (regs_saved_in_regs[i].orig_reg) == REGNO (q->reg))
break;
@ -1218,8 +1218,12 @@ flush_queued_reg_saves (void)
regs_saved_in_regs[i].saved_in_reg = q->saved_reg;
}
reg_save (last_reg_save_label, REGNO (q->reg),
q->saved_reg ? REGNO (q->saved_reg) : -1U, q->cfa_offset);
reg = DWARF_FRAME_REGNUM (REGNO (q->reg));
if (q->saved_reg)
sreg = DWARF_FRAME_REGNUM (REGNO (q->saved_reg));
else
sreg = INVALID_REGNUM;
reg_save (last_reg_save_label, reg, sreg, q->cfa_offset);
}
queued_reg_saves = NULL;