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mips.h (FUNCTION_ARG_REGNO_P): Simplify.

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* config/mips/mips.h (FUNCTION_ARG_REGNO_P): Simplify.
	(CLASS_UNITS): Undefine.
	(CLASS_MAX_NREGS): Use FP_INC.
	* config/mips/mips.c (compute_frame_size): Likewise.
	(override_options): Use FP_INC and UNITS_PER_FPVALUE.

From-SVN: r51166
This commit is contained in:
Richard Sandiford 2002-03-22 09:30:35 +00:00 • committed by Richard Sandiford
parent 6e11556869
commit e6f884cdac
3 changed files with 21 additions and 34 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2002-03-22 Richard Sandiford <rsandifo@redhat.com>
* config/mips/mips.h (FUNCTION_ARG_REGNO_P): Simplify.
(CLASS_UNITS): Undefine.
(CLASS_MAX_NREGS): Use FP_INC.
* config/mips/mips.c (compute_frame_size): Likewise.
(override_options): Use FP_INC and UNITS_PER_FPVALUE.
2002-03-22 Neil Booth <neil@daikokuya.demon.co.uk>
* cpplex.c (parse_identifier_slow): Rename parse_slow, adjust

30
gcc/config/mips/mips.c
View file

@ -5257,7 +5257,7 @@ override_options ()
temp = ((regno & 1) == 0 || size <= UNITS_PER_WORD);
else if (FP_REG_P (regno))
temp = ((TARGET_FLOAT64 || ((regno & 1) == 0)
temp = (((regno % FP_INC) == 0
/* I think this change is OK regardless of abi, but
I'm being cautions untill I can test this more.
HARD_REGNO_MODE_OK is about whether or not you
@ -5268,7 +5268,7 @@ override_options ()
&& (class == MODE_FLOAT
|| class == MODE_COMPLEX_FLOAT
|| (TARGET_DEBUG_H_MODE && class == MODE_INT))
&& (! TARGET_SINGLE_FLOAT || size <= 4));
&& size <= UNITS_PER_FPVALUE);
else if (MD_REG_P (regno))
temp = (class == MODE_INT
@ -6415,8 +6415,6 @@ compute_frame_size (size)
HOST_WIDE_INT fp_reg_size; /* # bytes needed to store fp regs */
long mask; /* mask of saved gp registers */
long fmask; /* mask of saved fp registers */
int fp_inc; /* 1 or 2 depending on the size of fp regs */
long fp_bits; /* bitmask to use for each fp register */
tree return_type;
gp_reg_size = 0;
@ -6488,28 +6486,16 @@ compute_frame_size (size)
}
}
/* Calculate space needed for fp registers. */
if (TARGET_FLOAT64 || TARGET_SINGLE_FLOAT)
{
fp_inc = 1;
fp_bits = 1;
}
else
{
fp_inc = 2;
fp_bits = 3;
}
/* This loop must iterate over the same space as its companion in
save_restore_insns. */
for (regno = (FP_REG_LAST - fp_inc + 1);
for (regno = (FP_REG_LAST - FP_INC + 1);
regno >= FP_REG_FIRST;
regno -= fp_inc)
regno -= FP_INC)
{
if (regs_ever_live[regno] && !call_used_regs[regno])
{
fp_reg_size += fp_inc * UNITS_PER_FPREG;
fmask |= fp_bits << (regno - FP_REG_FIRST);
fp_reg_size += FP_INC * UNITS_PER_FPREG;
fmask |= ((1 << FP_INC) - 1) << (regno - FP_REG_FIRST);
}
}
@ -6555,7 +6541,7 @@ compute_frame_size (size)
current_frame_info.fmask = fmask;
current_frame_info.initialized = reload_completed;
current_frame_info.num_gp = gp_reg_size / UNITS_PER_WORD;
current_frame_info.num_fp = fp_reg_size / (fp_inc * UNITS_PER_FPREG);
current_frame_info.num_fp = fp_reg_size / (FP_INC * UNITS_PER_FPREG);
if (mask)
{
@ -6582,7 +6568,7 @@ compute_frame_size (size)
{
unsigned long offset = (args_size + extra_size + var_size
+ gp_reg_rounded + fp_reg_size
- fp_inc * UNITS_PER_FPREG);
- FP_INC * UNITS_PER_FPREG);
current_frame_info.fp_sp_offset = offset;
current_frame_info.fp_save_offset = offset - total_size;
}

17
gcc/config/mips/mips.h
View file

@ -2331,15 +2331,10 @@ extern enum reg_class mips_char_to_class[256];
/* Return the maximum number of consecutive registers
needed to represent mode MODE in a register of class CLASS. */
#define CLASS_UNITS(mode, size) \
((GET_MODE_SIZE (mode) + (size) - 1) / (size))
#define CLASS_MAX_NREGS(CLASS, MODE) \
((CLASS) == FP_REGS \
? (TARGET_FLOAT64 \
? CLASS_UNITS (MODE, 8) \
: 2 * CLASS_UNITS (MODE, 8)) \
: CLASS_UNITS (MODE, UNITS_PER_WORD))
? FP_INC \
: (GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
/* If defined, gives a class of registers that cannot be used as the
operand of a SUBREG that changes the mode of the object illegally.
@ -2718,11 +2713,9 @@ extern struct mips_frame_info current_frame_info;
are 32 bits, we can't directly reference the odd numbered ones. */
#define FUNCTION_ARG_REGNO_P(N) \
(((N) >= GP_ARG_FIRST && (N) <= GP_ARG_LAST) \
|| ((! TARGET_SOFT_FLOAT \
&& ((N) >= FP_ARG_FIRST && (N) <= FP_ARG_LAST) \
&& (TARGET_FLOAT64 || (0 == (N) % 2))) \
&& ! fixed_regs[N]))
((((N) >= GP_ARG_FIRST && (N) <= GP_ARG_LAST) \
|| ((N) >= FP_ARG_FIRST && (N) <= FP_ARG_LAST)) \
&& !fixed_regs[N])
/* A C expression which can inhibit the returning of certain function
values in registers, based on the type of value. A nonzero value says