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calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2. 

* calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
        * cse.c (rtx_cost): Likewise.
        * optabls.c (expand_binop): Likewise.
        (expand_twoval_binop, prepare_cmp_insn): Likewise.
        * regclass.c (copy_cost): Likewise.
        * reload1.c (reload_cse_move2add): Likewise.

From-SVN: r36423
This commit is contained in:
Richard Henderson 2000-09-14 19:56:02 -07:00 committed by Richard Henderson
parent d9dbd9b14c
commit b437f1a754
6 changed files with 19 additions and 10 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2000-09-14 Richard Henderson <rth@cygnus.com>
* calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
* cse.c (rtx_cost): Likewise.
* optabls.c (expand_binop): Likewise.
(expand_twoval_binop, prepare_cmp_insn): Likewise.
* regclass.c (copy_cost): Likewise.
* reload1.c (reload_cse_move2add): Likewise.
2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
* c-parse.in (reswords): Add _Complex.

2
gcc/calls.c
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@ -864,7 +864,7 @@ precompute_register_parameters (num_actuals, args, reg_parm_seen)
|| (GET_CODE (args[i].value) == SUBREG
&& GET_CODE (SUBREG_REG (args[i].value)) == REG)))
&& args[i].mode != BLKmode
&& rtx_cost (args[i].value, SET) > 2
&& rtx_cost (args[i].value, SET) > COSTS_N_INSNS (1)
&& ((SMALL_REGISTER_CLASSES && *reg_parm_seen)
|| preserve_subexpressions_p ()))
args[i].value = copy_to_mode_reg (args[i].mode, args[i].value);

2
gcc/cse.c
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@ -860,7 +860,7 @@ rtx_cost (x, outer_code)
total = 0;
break;
default:
total = 2;
total = COSTS_N_INSNS (1);
}
switch (code)

12
gcc/optabs.c
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@ -635,11 +635,11 @@ expand_binop (mode, binoptab, op0, op1, target, unsignedp, methods)
/* If we are inside an appropriately-short loop and one operand is an
expensive constant, force it into a register. */
if (CONSTANT_P (op0) && preserve_subexpressions_p ()
&& rtx_cost (op0, binoptab->code) > 2)
&& rtx_cost (op0, binoptab->code) > COSTS_N_INSNS (1))
op0 = force_reg (mode, op0);
if (CONSTANT_P (op1) && preserve_subexpressions_p ()
&& ! shift_op && rtx_cost (op1, binoptab->code) > 2)
&& ! shift_op && rtx_cost (op1, binoptab->code) > COSTS_N_INSNS (1))
op1 = force_reg (mode, op1);
/* Record where to delete back to if we backtrack. */
@ -1876,11 +1876,11 @@ expand_twoval_binop (binoptab, op0, op1, targ0, targ1, unsignedp)
/* If we are inside an appropriately-short loop and one operand is an
expensive constant, force it into a register. */
if (CONSTANT_P (op0) && preserve_subexpressions_p ()
&& rtx_cost (op0, binoptab->code) > 2)
&& rtx_cost (op0, binoptab->code) > COSTS_N_INSNS (1))
op0 = force_reg (mode, op0);
if (CONSTANT_P (op1) && preserve_subexpressions_p ()
&& rtx_cost (op1, binoptab->code) > 2)
&& rtx_cost (op1, binoptab->code) > COSTS_N_INSNS (1))
op1 = force_reg (mode, op1);
if (targ0)
@ -2956,11 +2956,11 @@ prepare_cmp_insn (px, py, pcomparison, size, pmode, punsignedp, align,
/* If we are inside an appropriately-short loop and one operand is an
expensive constant, force it into a register. */
if (CONSTANT_P (x) && preserve_subexpressions_p ()
&& rtx_cost (x, COMPARE) > 2)
&& rtx_cost (x, COMPARE) > COSTS_N_INSNS (1))
x = force_reg (mode, x);
if (CONSTANT_P (y) && preserve_subexpressions_p ()
&& rtx_cost (y, COMPARE) > 2)
&& rtx_cost (y, COMPARE) > COSTS_N_INSNS (1))
y = force_reg (mode, y);
#ifdef HAVE_cc0

2
gcc/regclass.c
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@ -1813,7 +1813,7 @@ copy_cost (x, mode, class, to_p)
else
/* If this is a constant, we may eventually want to call rtx_cost here. */
return 2;
return COSTS_N_INSNS (1);
}
/* Record the pseudo registers we must reload into hard registers

2
gcc/reload1.c
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@ -8941,7 +8941,7 @@ reload_cse_move2add (first)
success
= validate_change (next, &SET_SRC (set), reg, 0);
else if ((rtx_cost (new_src, PLUS)
< 2 + rtx_cost (src3, SET))
< COSTS_N_INSNS (1) + rtx_cost (src3, SET))
&& have_add2_insn (GET_MODE (reg)))
success
= validate_change (next, &PATTERN (next),