* builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)

(BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
	* optabs.h (enum optab_index): Add new OTI_lfloor.
	(lfloor_optab): Define corresponding macro.
	* optabs.c (init_optabs): Initialize lfloor_optab.
	* genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
	and lfloordi2 patterns.

	* builtins.c (expand_builtin_int_roundingfn): New prototype.
	(expand_builtin_int_roundingfn): New function.
	(fold_builtin_int_roundingfn): New prototype.
	(fold_builtin_int_roundingfn): New function, renamed from
	fold_builtin_lround.
	Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
	BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
	(fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
	BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
	(mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
	(expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
	BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.

	* convert.c (convert_to_integer): Convert (long int)floor{,f,l},
	into lfloor built-in function and (long long int)floor{,f,l} into
	llfloor built-in function.
	* fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
	BUILT_IN_LLFLOOR.

testsuite:

	* gcc.dg/builtins-53.c: New test.

From-SVN: r97886
This commit is contained in:
Uros Bizjak 2005-04-09 07:31:46 +02:00 committed by Uros Bizjak
parent fbc315db4a
commit d8b42d069e
10 changed files with 239 additions and 6 deletions

View File

@ -1,3 +1,30 @@
2005-04-09 Uros Bizjak <uros@kss-loka.si>
* builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
(BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
* optabs.h (enum optab_index): Add new OTI_lfloor.
(lfloor_optab): Define corresponding macro.
* optabs.c (init_optabs): Initialize lfloor_optab.
* genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
and lfloordi2 patterns.
* builtins.c (expand_builtin_int_roundingfn): New prototype.
(expand_builtin_int_roundingfn): New function.
(fold_builtin_int_roundingfn): New prototype.
(fold_builtin_int_roundingfn): New function, renamed from
fold_builtin_lround.
Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
(fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
(mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
(expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
* convert.c (convert_to_integer): Convert (long int)floor{,f,l},
into lfloor built-in function and (long long int)floor{,f,l} into
llfloor built-in function.
* fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
BUILT_IN_LLFLOOR.
2005-04-08 Ian Lance Taylor <ian@airs.com>
* c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
@ -987,7 +1014,7 @@
* tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
that don't fit in their type after conversion.
2005-04-05 Uros Bizjak <uros@kss-loka.si>
2005-04-05 Uros Bizjak <uros@kss-loka.si>
PR target/20421
* config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)

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@ -98,6 +98,7 @@ static void expand_errno_check (tree, rtx);
static rtx expand_builtin_mathfn (tree, rtx, rtx);
static rtx expand_builtin_mathfn_2 (tree, rtx, rtx);
static rtx expand_builtin_mathfn_3 (tree, rtx, rtx);
static rtx expand_builtin_int_roundingfn (tree, rtx, rtx);
static rtx expand_builtin_args_info (tree);
static rtx expand_builtin_next_arg (void);
static rtx expand_builtin_va_start (tree);
@ -161,6 +162,7 @@ static tree fold_builtin_trunc (tree, tree);
static tree fold_builtin_floor (tree, tree);
static tree fold_builtin_ceil (tree, tree);
static tree fold_builtin_round (tree, tree);
static tree fold_builtin_int_roundingfn (tree, tree);
static tree fold_builtin_bitop (tree, tree);
static tree fold_builtin_memcpy (tree, tree);
static tree fold_builtin_mempcpy (tree, tree, int);
@ -1548,7 +1550,9 @@ mathfn_built_in (tree type, enum built_in_function fn)
CASE_MATHFN (BUILT_IN_J1)
CASE_MATHFN (BUILT_IN_JN)
CASE_MATHFN (BUILT_IN_LDEXP)
CASE_MATHFN (BUILT_IN_LFLOOR)
CASE_MATHFN (BUILT_IN_LGAMMA)
CASE_MATHFN (BUILT_IN_LLFLOOR)
CASE_MATHFN (BUILT_IN_LLRINT)
CASE_MATHFN (BUILT_IN_LLROUND)
CASE_MATHFN (BUILT_IN_LOG)
@ -2112,6 +2116,100 @@ expand_builtin_mathfn_3 (tree exp, rtx target, rtx subtarget)
return target;
}
/* Expand a call to one of the builtin rounding functions (lfloor).
If expanding via optab fails, lower expression to (int)(floor(x)).
EXP is the expression that is a call to the builtin function;
if convenient, the result should be placed in TARGET. SUBTARGET may
be used as the target for computing one of EXP's operands. */
static rtx
expand_builtin_int_roundingfn (tree exp, rtx target, rtx subtarget)
{
optab builtin_optab;
rtx op0, insns, tmp;
tree fndecl = get_callee_fndecl (exp);
tree arglist = TREE_OPERAND (exp, 1);
enum built_in_function fallback_fn;
tree fallback_fndecl;
enum machine_mode mode;
tree arg, narg;
if (!validate_arglist (arglist, REAL_TYPE, VOID_TYPE))
gcc_unreachable ();
arg = TREE_VALUE (arglist);
switch (DECL_FUNCTION_CODE (fndecl))
{
case BUILT_IN_LFLOOR:
case BUILT_IN_LFLOORF:
case BUILT_IN_LFLOORL:
case BUILT_IN_LLFLOOR:
case BUILT_IN_LLFLOORF:
case BUILT_IN_LLFLOORL:
builtin_optab = lfloor_optab;
fallback_fn = BUILT_IN_FLOOR;
break;
default:
gcc_unreachable ();
}
/* Make a suitable register to place result in. */
mode = TYPE_MODE (TREE_TYPE (exp));
/* Before working hard, check whether the instruction is available. */
if (builtin_optab->handlers[(int) mode].insn_code != CODE_FOR_nothing)
{
target = gen_reg_rtx (mode);
/* Wrap the computation of the argument in a SAVE_EXPR, as we may
need to expand the argument again. This way, we will not perform
side-effects more the once. */
narg = builtin_save_expr (arg);
if (narg != arg)
{
arg = narg;
arglist = build_tree_list (NULL_TREE, arg);
exp = build_function_call_expr (fndecl, arglist);
}
op0 = expand_expr (arg, subtarget, VOIDmode, 0);
start_sequence ();
/* Compute into TARGET.
Set TARGET to wherever the result comes back. */
target = expand_unop (mode, builtin_optab, op0, target, 0);
if (target != 0)
{
/* Output the entire sequence. */
insns = get_insns ();
end_sequence ();
emit_insn (insns);
return target;
}
/* If we were unable to expand via the builtin, stop the sequence
(without outputting the insns). */
end_sequence ();
}
/* Fall back to floating point rounding optab. */
fallback_fndecl = mathfn_built_in (TREE_TYPE (arg), fallback_fn);
exp = build_function_call_expr (fallback_fndecl, arglist);
tmp = expand_builtin_mathfn (exp, NULL_RTX, NULL_RTX);
/* Truncate the result of floating point optab to integer
via expand_fix (). */
target = gen_reg_rtx (mode);
expand_fix (target, tmp, 0);
return target;
}
/* To evaluate powi(x,n), the floating point value x raised to the
constant integer exponent n, we use a hybrid algorithm that
combines the "window method" with look-up tables. For an
@ -5278,6 +5376,17 @@ expand_builtin (tree exp, rtx target, rtx subtarget, enum machine_mode mode,
return target;
break;
case BUILT_IN_LFLOOR:
case BUILT_IN_LFLOORF:
case BUILT_IN_LFLOORL:
case BUILT_IN_LLFLOOR:
case BUILT_IN_LLFLOORF:
case BUILT_IN_LLFLOORL:
target = expand_builtin_int_roundingfn (exp, target, subtarget);
if (target)
return target;
break;
case BUILT_IN_POW:
case BUILT_IN_POWF:
case BUILT_IN_POWL:
@ -6627,11 +6736,11 @@ fold_builtin_round (tree fndecl, tree arglist)
}
/* Fold function call to builtin lround, lroundf or lroundl (or the
corresponding long long versions). Return NULL_TREE if no
simplification can be made. */
corresponding long long versions) and other rounding functions.
Return NULL_TREE if no simplification can be made. */
static tree
fold_builtin_lround (tree fndecl, tree arglist)
fold_builtin_int_roundingfn (tree fndecl, tree arglist)
{
tree arg;
@ -6651,7 +6760,30 @@ fold_builtin_lround (tree fndecl, tree arglist)
HOST_WIDE_INT hi, lo;
REAL_VALUE_TYPE r;
real_round (&r, TYPE_MODE (ftype), &x);
switch (DECL_FUNCTION_CODE (fndecl))
{
case BUILT_IN_LFLOOR:
case BUILT_IN_LFLOORF:
case BUILT_IN_LFLOORL:
case BUILT_IN_LLFLOOR:
case BUILT_IN_LLFLOORF:
case BUILT_IN_LLFLOORL:
real_floor (&r, TYPE_MODE (ftype), &x);
break;
case BUILT_IN_LROUND:
case BUILT_IN_LROUNDF:
case BUILT_IN_LROUNDL:
case BUILT_IN_LLROUND:
case BUILT_IN_LLROUNDF:
case BUILT_IN_LLROUNDL:
real_round (&r, TYPE_MODE (ftype), &x);
break;
default:
gcc_unreachable ();
}
REAL_VALUE_TO_INT (&lo, &hi, r);
result = build_int_cst_wide (NULL_TREE, lo, hi);
if (int_fits_type_p (result, itype))
@ -8196,13 +8328,19 @@ fold_builtin_1 (tree fndecl, tree arglist, bool ignore)
case BUILT_IN_RINTL:
return fold_trunc_transparent_mathfn (fndecl, arglist);
case BUILT_IN_LFLOOR:
case BUILT_IN_LFLOORF:
case BUILT_IN_LFLOORL:
case BUILT_IN_LLFLOOR:
case BUILT_IN_LLFLOORF:
case BUILT_IN_LLFLOORL:
case BUILT_IN_LROUND:
case BUILT_IN_LROUNDF:
case BUILT_IN_LROUNDL:
case BUILT_IN_LLROUND:
case BUILT_IN_LLROUNDF:
case BUILT_IN_LLROUNDL:
return fold_builtin_lround (fndecl, arglist);
return fold_builtin_int_roundingfn (fndecl, arglist);
case BUILT_IN_LRINT:
case BUILT_IN_LRINTF:

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@ -260,9 +260,15 @@ DEF_EXT_LIB_BUILTIN (BUILT_IN_JNL, "jnl", BT_FN_LONGDOUBLE_INT_LONGDOUBLE, AT
DEF_LIB_BUILTIN (BUILT_IN_LDEXP, "ldexp", BT_FN_DOUBLE_DOUBLE_INT, ATTR_MATHFN_FPROUNDING_ERRNO)
DEF_C99_C90RES_BUILTIN (BUILT_IN_LDEXPF, "ldexpf", BT_FN_FLOAT_FLOAT_INT, ATTR_MATHFN_FPROUNDING_ERRNO)
DEF_C99_C90RES_BUILTIN (BUILT_IN_LDEXPL, "ldexpl", BT_FN_LONGDOUBLE_LONGDOUBLE_INT, ATTR_MATHFN_FPROUNDING_ERRNO)
DEF_GCC_BUILTIN (BUILT_IN_LFLOOR, "lfloor", BT_FN_LONG_DOUBLE, ATTR_MATHFN_FPROUNDING)
DEF_GCC_BUILTIN (BUILT_IN_LFLOORF, "lfloorf", BT_FN_LONG_FLOAT, ATTR_MATHFN_FPROUNDING)
DEF_GCC_BUILTIN (BUILT_IN_LFLOORL, "lfloorl", BT_FN_LONG_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
DEF_C99_BUILTIN (BUILT_IN_LGAMMA, "lgamma", BT_FN_DOUBLE_DOUBLE, ATTR_MATHFN_FPROUNDING_ERRNO)
DEF_C99_BUILTIN (BUILT_IN_LGAMMAF, "lgammaf", BT_FN_FLOAT_FLOAT, ATTR_MATHFN_FPROUNDING_ERRNO)
DEF_C99_BUILTIN (BUILT_IN_LGAMMAL, "lgammal", BT_FN_LONGDOUBLE_LONGDOUBLE, ATTR_MATHFN_FPROUNDING_ERRNO)
DEF_GCC_BUILTIN (BUILT_IN_LLFLOOR, "llfloor", BT_FN_LONGLONG_DOUBLE, ATTR_MATHFN_FPROUNDING)
DEF_GCC_BUILTIN (BUILT_IN_LLFLOORF, "llfloorf", BT_FN_LONGLONG_FLOAT, ATTR_MATHFN_FPROUNDING)
DEF_GCC_BUILTIN (BUILT_IN_LLFLOORL, "llfloorl", BT_FN_LONGLONG_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
DEF_C99_BUILTIN (BUILT_IN_LLRINT, "llrint", BT_FN_LONGLONG_DOUBLE, ATTR_MATHFN_FPROUNDING_ERRNO)
DEF_C99_BUILTIN (BUILT_IN_LLRINTF, "llrintf", BT_FN_LONGLONG_FLOAT, ATTR_MATHFN_FPROUNDING_ERRNO)
DEF_C99_BUILTIN (BUILT_IN_LLRINTL, "llrintl", BT_FN_LONGLONG_LONGDOUBLE, ATTR_MATHFN_FPROUNDING_ERRNO)

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@ -349,6 +349,13 @@ convert_to_integer (tree type, tree expr)
switch (fcode)
{
case BUILT_IN_FLOOR: case BUILT_IN_FLOORF: case BUILT_IN_FLOORL:
if (TYPE_MAIN_VARIANT (type) == TYPE_MAIN_VARIANT (long_long_integer_type_node))
fn = mathfn_built_in (s_intype, BUILT_IN_LLFLOOR);
else
fn = mathfn_built_in (s_intype, BUILT_IN_LFLOOR);
break;
case BUILT_IN_ROUND: case BUILT_IN_ROUNDF: case BUILT_IN_ROUNDL:
if (TYPE_MAIN_VARIANT (type) == TYPE_MAIN_VARIANT (long_long_integer_type_node))
fn = mathfn_built_in (s_intype, BUILT_IN_LLROUND);

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@ -10619,6 +10619,8 @@ tree_expr_nonnegative_p (tree t)
CASE_BUILTIN_F (BUILT_IN_FLOOR)
CASE_BUILTIN_F (BUILT_IN_FMOD)
CASE_BUILTIN_F (BUILT_IN_LDEXP)
CASE_BUILTIN_F (BUILT_IN_LFLOOR)
CASE_BUILTIN_F (BUILT_IN_LLFLOOR)
CASE_BUILTIN_F (BUILT_IN_LLRINT)
CASE_BUILTIN_F (BUILT_IN_LLROUND)
CASE_BUILTIN_F (BUILT_IN_LRINT)

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@ -119,6 +119,7 @@ static const char * const optabs[] =
"copysign_optab->handlers[$A].insn_code = CODE_FOR_$(copysign$F$a3$)",
"sqrt_optab->handlers[$A].insn_code = CODE_FOR_$(sqrt$a2$)",
"floor_optab->handlers[$A].insn_code = CODE_FOR_$(floor$a2$)",
"lfloor_optab->handlers[$A].insn_code = CODE_FOR_$(lfloor$a2$)",
"ceil_optab->handlers[$A].insn_code = CODE_FOR_$(ceil$a2$)",
"round_optab->handlers[$A].insn_code = CODE_FOR_$(round$a2$)",
"btrunc_optab->handlers[$A].insn_code = CODE_FOR_$(btrunc$a2$)",

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@ -5033,6 +5033,7 @@ init_optabs (void)
parity_optab = init_optab (PARITY);
sqrt_optab = init_optab (SQRT);
floor_optab = init_optab (UNKNOWN);
lfloor_optab = init_optab (UNKNOWN);
ceil_optab = init_optab (UNKNOWN);
round_optab = init_optab (UNKNOWN);
btrunc_optab = init_optab (UNKNOWN);

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@ -186,6 +186,7 @@ enum optab_index
OTI_log1p,
/* Rounding functions */
OTI_floor,
OTI_lfloor,
OTI_ceil,
OTI_btrunc,
OTI_round,
@ -313,6 +314,7 @@ extern GTY(()) optab optab_table[OTI_MAX];
#define log2_optab (optab_table[OTI_log2])
#define log1p_optab (optab_table[OTI_log1p])
#define floor_optab (optab_table[OTI_floor])
#define lfloor_optab (optab_table[OTI_lfloor])
#define ceil_optab (optab_table[OTI_ceil])
#define btrunc_optab (optab_table[OTI_btrunc])
#define round_optab (optab_table[OTI_round])

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@ -1,3 +1,7 @@
2005-04-09 Uros Bizjak <uros@kss-loka.si>
* gcc.dg/builtins-53.c: New test.
2005-04-08 Diego Novillo <dnovillo@redhat.com>
* g++.dg/tree-ssa/pr18178.C: New test.

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@ -0,0 +1,45 @@
/* Copyright (C) 2005 Free Software Foundation.
Check that (long)floor, (long)floorf, (long)floorl,
(long long)floor, (long long)floorf and (long long)floorl
built-in functions compile.
Written by Uros Bizjak, 5th April 2005. */
/* { dg-do compile } */
/* { dg-options "-O2 -ffast-math" } */
extern double floor(double);
extern float floorf(float);
extern long double floorl(long double);
long int test1(double x)
{
return floor(x);
}
long long int test2(double x)
{
return floor(x);
}
long int test1f(float x)
{
return floorf(x);
}
long long int test2f(float x)
{
return floorf(x);
}
long int test1l(long double x)
{
return floorl(x);
}
long long int test2l(long double x)
{
return floorl(x);
}