emit-rtl.c, rtl.h (subreg_hard_regno): Remove.

* emit-rtl.c, rtl.h (subreg_hard_regno): Remove.
        * caller-save.c (mark_set_regs): Use subreg_regno instead.
        * final.c (alter_subreg): Likewise.
        * local-alloc.c (reg_is_born): Likewise.

From-SVN: r91115
This commit is contained in:
Richard Henderson 2004-11-23 15:10:18 -08:00 committed by Richard Henderson
parent 4488a8b876
commit 6f9e35784d
6 changed files with 10 additions and 34 deletions

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@ -1,3 +1,10 @@
2004-11-23 Richard Henderson <rth@redhat.com>
* emit-rtl.c, rtl.h (subreg_hard_regno): Remove.
* caller-save.c (mark_set_regs): Use subreg_regno instead.
* final.c (alter_subreg): Likewise.
* local-alloc.c (reg_is_born): Likewise.
2004-11-23 Richard Henderson <rth@redhat.com>
* simplify-rtx.c (simplify_subreg): Use subreg_regno_offset directly

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@ -500,8 +500,7 @@ mark_set_regs (rtx reg, rtx setter ATTRIBUTE_UNUSED,
rtx inner = SUBREG_REG (reg);
if (!REG_P (inner) || REGNO (inner) >= FIRST_PSEUDO_REGISTER)
return;
regno = subreg_hard_regno (reg, 1);
regno = subreg_regno (reg);
}
else if (REG_P (reg)
&& REGNO (reg) < FIRST_PSEUDO_REGISTER)

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@ -1018,34 +1018,6 @@ maybe_set_first_label_num (rtx x)
first_label_num = CODE_LABEL_NUMBER (x);
}
/* Return the final regno of X, which is a SUBREG of a hard
register. */
int
subreg_hard_regno (rtx x, int check_mode)
{
enum machine_mode mode = GET_MODE (x);
unsigned int byte_offset, base_regno, final_regno;
rtx reg = SUBREG_REG (x);
/* This is where we attempt to catch illegal subregs
created by the compiler. */
gcc_assert (GET_CODE (x) == SUBREG && REG_P (reg));
base_regno = REGNO (reg);
gcc_assert (base_regno < FIRST_PSEUDO_REGISTER);
gcc_assert (!check_mode || HARD_REGNO_MODE_OK (base_regno, GET_MODE (reg)));
#ifdef ENABLE_CHECKING
gcc_assert (subreg_offset_representable_p (REGNO (reg), GET_MODE (reg),
SUBREG_BYTE (x), mode));
#endif
/* Catch non-congruent offsets too. */
byte_offset = SUBREG_BYTE (x);
gcc_assert (!(byte_offset % GET_MODE_SIZE (mode)));
final_regno = subreg_regno (x);
return final_regno;
}
/* Return a value representing some low-order bits of X, where the number
of low-order bits is given by MODE. Note that no conversion is done
between floating-point and fixed-point values, rather, the bit

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@ -2636,8 +2636,7 @@ alter_subreg (rtx *xp)
else
{
/* Simplify_subreg can't handle some REG cases, but we have to. */
unsigned int regno = subreg_hard_regno (x, 1);
unsigned int regno = subreg_regno (x);
gcc_assert (REG_P (y));
*xp = gen_rtx_REG_offset (y, GET_MODE (x), regno, SUBREG_BYTE (x));
}

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@ -2011,7 +2011,7 @@ reg_is_born (rtx reg, int birth)
{
regno = REGNO (SUBREG_REG (reg));
if (regno < FIRST_PSEUDO_REGISTER)
regno = subreg_hard_regno (reg, 1);
regno = subreg_regno (reg);
}
else
regno = REGNO (reg);

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@ -1375,7 +1375,6 @@ extern rtvec gen_rtvec_v (int, rtx *);
extern rtx gen_reg_rtx (enum machine_mode);
extern rtx gen_rtx_REG_offset (rtx, enum machine_mode, unsigned int, int);
extern rtx gen_label_rtx (void);
extern int subreg_hard_regno (rtx, int);
extern rtx gen_lowpart_common (enum machine_mode, rtx);
/* In cse.c */