Delete changes meant for a private branch.

2020-05-05  Michael Meissner  <meissner@linux.ibm.com>

	* config/rs6000/rs6000-builtin.def: Delete changes meant for a
	private branch.
	* config/rs6000/rs6000-c.c: Likewise.
	* config/rs6000/rs6000-call.c: Likewise.
	* gcc/config/rs6000/rs6000.c: Likewise.

2020-05-05  Michael Meissner  <meissner@linux.ibm.com>

	* gcc.dg/nextafter-2.c: Delete changes meant for a private branch.
	* gcc.target/powerpc/pr70117.c: Likewise.

2020-05-05  Michael Meissner  <meissner@linux.ibm.com>

	* config.host: Delete changes meant for a private branch.
	* config/rs6000/t-float128: Likewise.
	* configure.ac: Likewise.
	* configure: Likewise.
This commit is contained in:
Michael Meissner 2020-05-05 14:01:48 -04:00
parent 3338afa4a3
commit ef836167f5
13 changed files with 62 additions and 356 deletions

View File

@ -1,3 +1,11 @@
2020-05-05 Michael Meissner <meissner@linux.ibm.com>
* config/rs6000/rs6000-builtin.def: Delete changes meant for a
private branch.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000-call.c: Likewise.
* gcc/config/rs6000/rs6000.c: Likewise.
2020-05-05 Sebastian Huber <sebastian.huber@embedded-brains.de>
* config/rtems.h (RTEMS_STARTFILE_SPEC): Define if undefined.

View File

@ -2154,11 +2154,8 @@ BU_P9V_64BIT_VSX_1 (VSESDP, "scalar_extract_sig", CONST, xsxsigdp)
BU_FLOAT128_HW_VSX_1 (VSEEQP, "scalar_extract_expq", CONST, xsxexpqp_kf)
BU_FLOAT128_HW_VSX_1 (VSESQP, "scalar_extract_sigq", CONST, xsxsigqp_kf)
BU_FLOAT128_HW_VSX_1 (VSEETF, "scalar_extract_exptf", CONST, xsxexpqp_tf)
BU_FLOAT128_HW_VSX_1 (VSESTF, "scalar_extract_sigtf", CONST, xsxsigqp_tf)
BU_FLOAT128_HW_VSX_1 (VSTDCNQP, "scalar_test_neg_qp", CONST, xststdcnegqp_kf)
BU_FLOAT128_HW_VSX_1 (VSTDCNTF, "scalar_test_neg_tf", CONST, xststdcnegqp_tf)
BU_P9V_VSX_1 (VSTDCNDP, "scalar_test_neg_dp", CONST, xststdcnegdp)
BU_P9V_VSX_1 (VSTDCNSP, "scalar_test_neg_sp", CONST, xststdcnegsp)
@ -2176,8 +2173,6 @@ BU_P9V_64BIT_VSX_2 (VSIEDPF, "scalar_insert_exp_dp", CONST, xsiexpdpf)
BU_FLOAT128_HW_VSX_2 (VSIEQP, "scalar_insert_exp_q", CONST, xsiexpqp_kf)
BU_FLOAT128_HW_VSX_2 (VSIEQPF, "scalar_insert_exp_qp", CONST, xsiexpqpf_kf)
BU_FLOAT128_HW_VSX_2 (VSIETF, "scalar_insert_exp_tf", CONST, xsiexpqp_tf)
BU_FLOAT128_HW_VSX_2 (VSIETFF, "scalar_insert_exp_tfp", CONST, xsiexpqpf_tf)
BU_P9V_VSX_2 (VSCEDPGT, "scalar_cmp_exp_dp_gt", CONST, xscmpexpdp_gt)
BU_P9V_VSX_2 (VSCEDPLT, "scalar_cmp_exp_dp_lt", CONST, xscmpexpdp_lt)
@ -2189,13 +2184,7 @@ BU_P9V_VSX_2 (VSCEQPLT, "scalar_cmp_exp_qp_lt", CONST, xscmpexpqp_lt_kf)
BU_P9V_VSX_2 (VSCEQPEQ, "scalar_cmp_exp_qp_eq", CONST, xscmpexpqp_eq_kf)
BU_P9V_VSX_2 (VSCEQPUO, "scalar_cmp_exp_qp_unordered", CONST, xscmpexpqp_unordered_kf)
BU_P9V_VSX_2 (VSCETFGT, "scalar_cmp_exp_tf_gt", CONST, xscmpexpqp_gt_tf)
BU_P9V_VSX_2 (VSCETFLT, "scalar_cmp_exp_tf_lt", CONST, xscmpexpqp_lt_tf)
BU_P9V_VSX_2 (VSCETFEQ, "scalar_cmp_exp_tf_eq", CONST, xscmpexpqp_eq_tf)
BU_P9V_VSX_2 (VSCETFUO, "scalar_cmp_exp_tf_unordered", CONST, xscmpexpqp_unordered_tf)
BU_FLOAT128_HW_VSX_2 (VSTDCQP, "scalar_test_data_class_qp", CONST, xststdcqp_kf)
BU_FLOAT128_HW_VSX_2 (VSTDCTF, "scalar_test_data_class_tf", CONST, xststdcqp_tf)
BU_P9V_VSX_2 (VSTDCDP, "scalar_test_data_class_dp", CONST, xststdcdp)
BU_P9V_VSX_2 (VSTDCSP, "scalar_test_data_class_sp", CONST, xststdcsp)

View File

@ -675,39 +675,15 @@ rs6000_cpu_cpp_builtins (cpp_reader *pfile)
builtin_define ("__builtin_vsx_xvnmsubmsp=__builtin_vsx_xvnmsubsp");
}
/* Map the old _Float128 'q' builtins into the new 'f128' builtins if long
double is IBM or 64-bit.
However, if long double is IEEE 128-bit, map both sets of built-in
functions to the normal long double version. This shows up in nansf128
vs. nanf128. */
/* Map the old _Float128 'q' builtins into the new 'f128' builtins. */
if (TARGET_FLOAT128_TYPE)
{
if (FLOAT128_IEEE_P (TFmode))
{
builtin_define ("__builtin_fabsq=__builtin_fabsl");
builtin_define ("__builtin_copysignq=__builtin_copysignl");
builtin_define ("__builtin_nanq=__builtin_nanl");
builtin_define ("__builtin_nansq=__builtin_nansl");
builtin_define ("__builtin_infq=__builtin_infl");
builtin_define ("__builtin_huge_valq=__builtin_huge_vall");
builtin_define ("__builtin_fabsf128=__builtin_fabsl");
builtin_define ("__builtin_copysignf128=__builtin_copysignl");
builtin_define ("__builtin_nanf128=__builtin_nanl");
builtin_define ("__builtin_nansf128=__builtin_nansl");
builtin_define ("__builtin_inff128=__builtin_infl");
builtin_define ("__builtin_huge_valf128=__builtin_huge_vall");
}
else
{
builtin_define ("__builtin_fabsq=__builtin_fabsf128");
builtin_define ("__builtin_copysignq=__builtin_copysignf128");
builtin_define ("__builtin_nanq=__builtin_nanf128");
builtin_define ("__builtin_nansq=__builtin_nansf128");
builtin_define ("__builtin_infq=__builtin_inff128");
builtin_define ("__builtin_huge_valq=__builtin_huge_valf128");
}
builtin_define ("__builtin_fabsq=__builtin_fabsf128");
builtin_define ("__builtin_copysignq=__builtin_copysignf128");
builtin_define ("__builtin_nanq=__builtin_nanf128");
builtin_define ("__builtin_nansq=__builtin_nansf128");
builtin_define ("__builtin_infq=__builtin_inff128");
builtin_define ("__builtin_huge_valq=__builtin_huge_valf128");
}
/* Tell users they can use __builtin_bswap{16,64}. */

View File

@ -4565,8 +4565,6 @@ const struct altivec_builtin_types altivec_overloaded_builtins[] = {
RS6000_BTI_bool_int, RS6000_BTI_double, RS6000_BTI_INTSI, 0 },
{ P9V_BUILTIN_VEC_VSTDC, P9V_BUILTIN_VSTDCQP,
RS6000_BTI_bool_int, RS6000_BTI_ieee128_float, RS6000_BTI_INTSI, 0 },
{ P9V_BUILTIN_VEC_VSTDC, P9V_BUILTIN_VSTDCTF,
RS6000_BTI_bool_int, RS6000_BTI_long_double, RS6000_BTI_INTSI, 0 },
{ P9V_BUILTIN_VEC_VSTDCSP, P9V_BUILTIN_VSTDCSP,
RS6000_BTI_bool_int, RS6000_BTI_float, RS6000_BTI_INTSI, 0 },
@ -4574,8 +4572,6 @@ const struct altivec_builtin_types altivec_overloaded_builtins[] = {
RS6000_BTI_bool_int, RS6000_BTI_double, RS6000_BTI_INTSI, 0 },
{ P9V_BUILTIN_VEC_VSTDCQP, P9V_BUILTIN_VSTDCQP,
RS6000_BTI_bool_int, RS6000_BTI_ieee128_float, RS6000_BTI_INTSI, 0 },
{ P9V_BUILTIN_VEC_VSTDCQP, P9V_BUILTIN_VSTDCTF,
RS6000_BTI_bool_int, RS6000_BTI_long_double, RS6000_BTI_INTSI, 0 },
{ P9V_BUILTIN_VEC_VSTDCN, P9V_BUILTIN_VSTDCNSP,
RS6000_BTI_bool_int, RS6000_BTI_float, 0, 0 },
@ -4583,8 +4579,6 @@ const struct altivec_builtin_types altivec_overloaded_builtins[] = {
RS6000_BTI_bool_int, RS6000_BTI_double, 0, 0 },
{ P9V_BUILTIN_VEC_VSTDCN, P9V_BUILTIN_VSTDCNQP,
RS6000_BTI_bool_int, RS6000_BTI_ieee128_float, 0, 0 },
{ P9V_BUILTIN_VEC_VSTDCN, P9V_BUILTIN_VSTDCNTF,
RS6000_BTI_bool_int, RS6000_BTI_long_double, 0, 0 },
{ P9V_BUILTIN_VEC_VSTDCNSP, P9V_BUILTIN_VSTDCNSP,
RS6000_BTI_bool_int, RS6000_BTI_float, 0, 0 },
@ -4592,22 +4586,16 @@ const struct altivec_builtin_types altivec_overloaded_builtins[] = {
RS6000_BTI_bool_int, RS6000_BTI_double, 0, 0 },
{ P9V_BUILTIN_VEC_VSTDCNQP, P9V_BUILTIN_VSTDCNQP,
RS6000_BTI_bool_int, RS6000_BTI_ieee128_float, 0, 0 },
{ P9V_BUILTIN_VEC_VSTDCNQP, P9V_BUILTIN_VSTDCNTF,
RS6000_BTI_bool_int, RS6000_BTI_long_double, 0, 0 },
{ P9V_BUILTIN_VEC_VSEEDP, P9V_BUILTIN_VSEEDP,
RS6000_BTI_UINTSI, RS6000_BTI_double, 0, 0 },
{ P9V_BUILTIN_VEC_VSEEDP, P9V_BUILTIN_VSEEQP,
RS6000_BTI_UINTDI, RS6000_BTI_ieee128_float, 0, 0 },
{ P9V_BUILTIN_VEC_VSEEDP, P9V_BUILTIN_VSEETF,
RS6000_BTI_UINTDI, RS6000_BTI_long_double, 0, 0 },
{ P9V_BUILTIN_VEC_VSESDP, P9V_BUILTIN_VSESDP,
RS6000_BTI_UINTDI, RS6000_BTI_double, 0, 0 },
{ P9V_BUILTIN_VEC_VSESDP, P9V_BUILTIN_VSESQP,
RS6000_BTI_UINTTI, RS6000_BTI_ieee128_float, 0, 0 },
{ P9V_BUILTIN_VEC_VSESDP, P9V_BUILTIN_VSESTF,
RS6000_BTI_UINTTI, RS6000_BTI_long_double, 0, 0 },
{ P9V_BUILTIN_VEC_VSIEDP, P9V_BUILTIN_VSIEDP,
RS6000_BTI_double, RS6000_BTI_UINTDI, RS6000_BTI_UINTDI, 0 },
@ -4616,37 +4604,25 @@ const struct altivec_builtin_types altivec_overloaded_builtins[] = {
{ P9V_BUILTIN_VEC_VSIEDP, P9V_BUILTIN_VSIEQP,
RS6000_BTI_ieee128_float, RS6000_BTI_UINTTI, RS6000_BTI_UINTDI, 0 },
{ P9V_BUILTIN_VEC_VSIEDP, P9V_BUILTIN_VSIETF,
RS6000_BTI_long_double, RS6000_BTI_UINTTI, RS6000_BTI_UINTDI, 0 },
{ P9V_BUILTIN_VEC_VSIEDP, P9V_BUILTIN_VSIEQPF,
RS6000_BTI_ieee128_float, RS6000_BTI_ieee128_float, RS6000_BTI_UINTDI, 0 },
{ P9V_BUILTIN_VEC_VSIEDP, P9V_BUILTIN_VSIETFF,
RS6000_BTI_long_double, RS6000_BTI_long_double, RS6000_BTI_UINTDI, 0 },
{ P9V_BUILTIN_VEC_VSCEGT, P9V_BUILTIN_VSCEDPGT,
RS6000_BTI_INTSI, RS6000_BTI_double, RS6000_BTI_double, 0 },
{ P9V_BUILTIN_VEC_VSCEGT, P9V_BUILTIN_VSCEQPGT,
RS6000_BTI_INTSI, RS6000_BTI_ieee128_float, RS6000_BTI_ieee128_float, 0 },
{ P9V_BUILTIN_VEC_VSCEGT, P9V_BUILTIN_VSCETFGT,
RS6000_BTI_INTSI, RS6000_BTI_long_double, RS6000_BTI_long_double, 0 },
{ P9V_BUILTIN_VEC_VSCELT, P9V_BUILTIN_VSCEDPLT,
RS6000_BTI_INTSI, RS6000_BTI_double, RS6000_BTI_double, 0 },
{ P9V_BUILTIN_VEC_VSCELT, P9V_BUILTIN_VSCEQPLT,
RS6000_BTI_INTSI, RS6000_BTI_ieee128_float, RS6000_BTI_ieee128_float, 0 },
{ P9V_BUILTIN_VEC_VSCELT, P9V_BUILTIN_VSCETFLT,
RS6000_BTI_INTSI, RS6000_BTI_long_double, RS6000_BTI_long_double, 0 },
{ P9V_BUILTIN_VEC_VSCEEQ, P9V_BUILTIN_VSCEDPEQ,
RS6000_BTI_INTSI, RS6000_BTI_double, RS6000_BTI_double, 0 },
{ P9V_BUILTIN_VEC_VSCEEQ, P9V_BUILTIN_VSCEQPEQ,
RS6000_BTI_INTSI, RS6000_BTI_ieee128_float, RS6000_BTI_ieee128_float, 0 },
{ P9V_BUILTIN_VEC_VSCEEQ, P9V_BUILTIN_VSCETFEQ,
RS6000_BTI_INTSI, RS6000_BTI_long_double, RS6000_BTI_long_double, 0 },
{ P9V_BUILTIN_VEC_VSCEUO, P9V_BUILTIN_VSCEDPUO,
RS6000_BTI_INTSI, RS6000_BTI_double, RS6000_BTI_double, 0 },
{ P9V_BUILTIN_VEC_VSCEUO, P9V_BUILTIN_VSCEQPUO,
RS6000_BTI_INTSI, RS6000_BTI_ieee128_float, RS6000_BTI_ieee128_float, 0 },
{ P9V_BUILTIN_VEC_VSCEUO, P9V_BUILTIN_VSCETFUO,
RS6000_BTI_INTSI, RS6000_BTI_long_double, RS6000_BTI_long_double, 0 },
{ P9V_BUILTIN_VEC_XL_LEN_R, P9V_BUILTIN_XL_LEN_R,
RS6000_BTI_unsigned_V16QI, ~RS6000_BTI_UINTQI,
@ -11584,22 +11560,6 @@ rs6000_expand_builtin (tree exp, rtx target, rtx subtarget ATTRIBUTE_UNUSED,
case CODE_FOR_xsiexpqp_kf: icode = CODE_FOR_xsiexpqp_tf; break;
case CODE_FOR_xsiexpqpf_kf: icode = CODE_FOR_xsiexpqpf_tf; break;
case CODE_FOR_xststdcqp_kf: icode = CODE_FOR_xststdcqp_tf; break;
case CODE_FOR_xscmpexpqp_eq_kf:
icode = CODE_FOR_xscmpexpqp_eq_tf;
break;
case CODE_FOR_xscmpexpqp_lt_kf:
icode = CODE_FOR_xscmpexpqp_lt_tf;
break;
case CODE_FOR_xscmpexpqp_gt_kf:
icode = CODE_FOR_xscmpexpqp_gt_tf;
break;
case CODE_FOR_xscmpexpqp_unordered_kf:
icode = CODE_FOR_xscmpexpqp_unordered_tf;
break;
}
if (TARGET_DEBUG_BUILTIN)

View File

@ -26326,122 +26326,55 @@ rs6000_globalize_decl_name (FILE * stream, tree decl)
library before you can switch the real*16 type at compile time.
We use the TARGET_MANGLE_DECL_ASSEMBLER_NAME hook to change this name. We
only do this transformation if the __float128 type is enabled. This
prevents us from doing the transformation on older 32-bit parts that might
have enabled using IEEE 128-bit floating point as the default long double
type. */
only do this if the default is that long double is IBM extended double, and
the user asked for IEEE 128-bit. */
static tree
rs6000_mangle_decl_assembler_name (tree decl, tree id)
{
if (TARGET_FLOAT128_TYPE && TARGET_IEEEQUAD && TARGET_LONG_DOUBLE_128
&& TREE_CODE (decl) == FUNCTION_DECL
&& fndecl_built_in_p (decl, BUILT_IN_NORMAL))
if (!TARGET_IEEEQUAD_DEFAULT && TARGET_IEEEQUAD && TARGET_LONG_DOUBLE_128
&& TREE_CODE (decl) == FUNCTION_DECL && DECL_IS_BUILTIN (decl) )
{
size_t len = IDENTIFIER_LENGTH (id);
const char *name = IDENTIFIER_POINTER (id);
const char *newname = NULL;
/* See if it is one of the built-in functions with an unusual name. */
switch (DECL_FUNCTION_CODE (decl))
if (name[len - 1] == 'l')
{
default:
break;
bool uses_ieee128_p = false;
tree type = TREE_TYPE (decl);
machine_mode ret_mode = TYPE_MODE (type);
case BUILT_IN_GAMMAL_R:
case BUILT_IN_LGAMMAL_R:
newname = "__lgammaieee128_r";
break;
case BUILT_IN_NEXTTOWARD:
newname = "__nexttoward_to_ieee128";
break;
case BUILT_IN_NEXTTOWARDF:
newname = "__nexttowardf_to_ieee128";
break;
case BUILT_IN_NEXTTOWARDL:
newname = "__nexttowardieee128";
break;
}
/* Update the __builtin_*printf && __builtin_*scanf functions. */
if (!newname)
{
const size_t printf_len = sizeof ("printf") - 1;
const size_t scanf_len = sizeof ("scanf") - 1;
const size_t printf_extra
= sizeof ("__") - 1 + sizeof ("ieee128") - 1;
const size_t scanf_extra
= sizeof ("__isoc99_") - 1 + sizeof ("ieee128") - 1;
if (len >= printf_len
&& strcmp (name + len - printf_len, "printf") == 0)
/* See if the function returns a IEEE 128-bit floating point type or
complex type. */
if (ret_mode == TFmode || ret_mode == TCmode)
uses_ieee128_p = true;
else
{
char *name2 = (char *) alloca (len + 1 + printf_extra);
strcpy (name2, "__");
memcpy (name2 + 2, name, len);
strcpy (name2 + 2 + len, "ieee128");
newname = (const char *) name2;
}
function_args_iterator args_iter;
tree arg;
else if (len >= scanf_len
&& strcmp (name + len - scanf_len, "scanf") == 0)
{
char *name2 = (char *) alloca (len + 1 + scanf_extra);
strcpy (name2, "__isoc99_");
memcpy (name2 + sizeof ("__isoc99") - 1, name, len);
strcpy (name2 + sizeof ("__isoc99") - 1 + len, "ieee128");
newname = (const char *) name2;
}
else if (name[len - 1] == 'l')
{
bool uses_ieee128_p = false;
tree type = TREE_TYPE (decl);
machine_mode ret_mode = TYPE_MODE (type);
/* See if the function returns a IEEE 128-bit floating point type or
complex type. */
if (ret_mode == TFmode || ret_mode == TCmode)
uses_ieee128_p = true;
else
/* See if the function passes a IEEE 128-bit floating point type
or complex type. */
FOREACH_FUNCTION_ARGS (type, arg, args_iter)
{
function_args_iterator args_iter;
tree arg;
/* See if the function passes a IEEE 128-bit floating point type
or complex type. */
FOREACH_FUNCTION_ARGS (type, arg, args_iter)
machine_mode arg_mode = TYPE_MODE (arg);
if (arg_mode == TFmode || arg_mode == TCmode)
{
machine_mode arg_mode = TYPE_MODE (arg);
if (arg_mode == TFmode || arg_mode == TCmode)
{
uses_ieee128_p = true;
break;
}
uses_ieee128_p = true;
break;
}
}
/* If we passed or returned an IEEE 128-bit floating point type,
change the name. */
if (uses_ieee128_p)
{
char *name2 = (char *) alloca (len + 4);
memcpy (name2, name, len - 1);
strcpy (name2 + len - 1, "f128");
newname = (const char *) name2;
}
}
}
if (newname)
{
if (TARGET_DEBUG_BUILTIN)
fprintf (stderr, "Map %s => %s\n", name, newname);
id = get_identifier (newname);
/* If we passed or returned an IEEE 128-bit floating point type,
change the name. */
if (uses_ieee128_p)
{
char *name2 = (char *) alloca (len + 4);
memcpy (name2, name, len - 1);
strcpy (name2 + len - 1, "f128");
id = get_identifier (name2);
}
}
}

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@ -1,3 +1,8 @@
2020-05-05 Michael Meissner <meissner@linux.ibm.com>
* gcc.dg/nextafter-2.c: Delete changes meant for a private branch.
* gcc.target/powerpc/pr70117.c: Likewise.
2020-05-05 Dimitar Dimitrov <dimitar@dinux.eu>
* gcc.target/pru/clobber-sp.c: New test.

View File

@ -13,14 +13,4 @@
# define NO_LONG_DOUBLE 1
# endif
#endif
#if defined(_ARCH_PPC) && defined(__LONG_DOUBLE_IEEE128__)
/* On PowerPC systems, long double uses either the IBM long double format, or
IEEE 128-bit format. The compiler switches the long double built-in
function names and glibc switches the names when math.h is included.
Because this test is run with -fno-builtin, include math.h so that the
appropriate nextafter functions are called. */
#include <math.h>
#endif
#include "nextafter-1.c"

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@ -9,11 +9,9 @@
128-bit floating point, because the type is not enabled on those
systems. */
#define LDOUBLE __ibm128
#define IBM128_MAX ((__ibm128) 1.79769313486231580793728971405301199e+308L)
#elif defined(__LONG_DOUBLE_IBM128__)
#define LDOUBLE long double
#define IBM128_MAX LDBL_MAX
#else
#error "long double must be either IBM 128-bit or IEEE 128-bit"
@ -77,10 +75,10 @@ main (void)
if (__builtin_isnormal (ld))
__builtin_abort ();
ld = IBM128_MAX;
ld = LDBL_MAX;
if (!__builtin_isnormal (ld))
__builtin_abort ();
ld = -IBM128_MAX;
ld = -LDBL_MAX;
if (!__builtin_isnormal (ld))
__builtin_abort ();

View File

@ -1,3 +1,10 @@
2020-05-05 Michael Meissner <meissner@linux.ibm.com>
* config.host: Delete changes meant for a private branch.
* config/rs6000/t-float128: Likewise.
* configure.ac: Likewise.
* configure: Likewise.
2020-05-05 Martin Liska <mliska@suse.cz>
PR gcov-profile/93623

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@ -1220,9 +1220,6 @@ powerpc*-*-linux*)
if test $libgcc_cv_powerpc_float128 = yes; then
tmake_file="${tmake_file} rs6000/t-float128"
if test $libgcc_cv_powerpc_float128_dec = no; then
tmake_file="${tmake_file} rs6000/t-float128-decimal"
fi
fi
if test $libgcc_cv_powerpc_float128_hw = yes; then

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@ -69,13 +69,6 @@ $(fp128_ppc_obj) : INTERNAL_CFLAGS += $(FP128_CFLAGS_SW)
$(fp128_obj) : $(fp128_includes)
$(fp128_obj) : $(srcdir)/config/rs6000/quad-float128.h
# If we are switching the default long double type, we need to use
# -mno-gnu-attribute so that the __ibm128 support functions don't signal a
# linker error since the default long double is now IEEE 128-bit instead of IBM
# 128-bit.
ibm-ldouble$(objext) : INTERNAL_CFLAGS += -mno-gnu-attribute
$(fp128_softfp_src) : $(srcdir)/soft-fp/$(subst -sw,,$(subst kf,tf,$@)) $(fp128_dep)
@src="$(srcdir)/soft-fp/$(subst -sw,,$(subst kf,tf,$@))"; \
echo "Create $@"; \

108
libgcc/configure vendored
View File

@ -1801,52 +1801,6 @@ $as_echo "$ac_res" >&6; }
eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
} # ac_fn_c_check_header_preproc
# ac_fn_c_try_link LINENO
# -----------------------
# Try to link conftest.$ac_ext, and return whether this succeeded.
ac_fn_c_try_link ()
{
as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
rm -f conftest.$ac_objext conftest$ac_exeext
if { { ac_try="$ac_link"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
(eval "$ac_link") 2>conftest.err
ac_status=$?
if test -s conftest.err; then
grep -v '^ *+' conftest.err >conftest.er1
cat conftest.er1 >&5
mv -f conftest.er1 conftest.err
fi
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest$ac_exeext && {
test "$cross_compiling" = yes ||
test -x conftest$ac_exeext
}; then :
ac_retval=0
else
$as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_retval=1
fi
# Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
# created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
# interfere with the next link command; also delete a directory that is
# left behind by Apple's compiler. We do this before executing the actions.
rm -rf conftest.dSYM conftest_ipa8_conftest.oo
eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
as_fn_set_status $ac_retval
} # ac_fn_c_try_link
cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
@ -5247,9 +5201,7 @@ case ${host} in
# At present, we cannot turn -mfloat128 on via #pragma GCC target, so just
# check if we have VSX (ISA 2.06) support to build the software libraries, and
# whether the assembler can handle xsaddqp for hardware support. Also check if
# a new glibc is being used so that __builtin_cpu_supports can be used. Check
# to see if glibc provides the necessary decimal <-> IEEE 128 function, and
# arrange to build our own version if they are not provided.
# a new glibc is being used so that __builtin_cpu_supports can be used.
powerpc*-*-linux*)
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -mabi=altivec -mvsx -mfloat128"
@ -5306,64 +5258,6 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_powerpc_float128_hw" >&5
$as_echo "$libgcc_cv_powerpc_float128_hw" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for PowerPC convert __float128 to/from _Decimal libraries" >&5
$as_echo_n "checking for PowerPC convert __float128 to/from _Decimal libraries... " >&6; }
if ${libgcc_cv_powerpc_float128_dec+:} false; then :
$as_echo_n "(cached) " >&6
else
if test x$gcc_no_link = xyes; then
as_fn_error $? "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
fi
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <stdlib.h>
__attribute__((noinline)) __float128 f128_from_d128 (_Decimal128 d128)
{
return (__float128)d128;
}
__attribute__((noinline)) __float128 f128_from_d64 (_Decimal128 d64)
{
return (__float128)d64;
}
__attribute__((noinline)) __float128 f128_from_d32 (_Decimal128 d32)
{
return (__float128)d32;
}
__attribute__((noinline)) _Decimal128 d128_from_f128 (__float128 f128)
{
return (_Decimal128)f128;
}
__attribute__((noinline)) _Decimal64 d64_from_f128 (__float128 f128)
{
return (_Decimal64)f128;
}
__attribute__((noinline)) _Decimal32 d32_from_f128 (__float128 f128)
{
return (_Decimal32)f128;
}
int main (void)
{
__float128 five = 5.0;
if (f128_from_d128 (5.0dl) != five
|| f128_from_d64 (5.0dd) != five
|| f128_from_d32 (5.0df) != five
|| d128_from_f128 (five) != 5.0dl
|| d64_from_f128 (five) != 5.0dd
|| d32_from_f128 (five) != 5.0df)
abort ();
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
libgcc_cv_powerpc_float128_dec=yes
else
libgcc_cv_powerpc_float128_dec=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_powerpc_float128_dec" >&5
$as_echo "$libgcc_cv_powerpc_float128_dec" >&6; }
CFLAGS="$saved_CFLAGS"
esac

View File

@ -424,9 +424,7 @@ case ${host} in
# At present, we cannot turn -mfloat128 on via #pragma GCC target, so just
# check if we have VSX (ISA 2.06) support to build the software libraries, and
# whether the assembler can handle xsaddqp for hardware support. Also check if
# a new glibc is being used so that __builtin_cpu_supports can be used. Check
# to see if glibc provides the necessary decimal <-> IEEE 128 function, and
# arrange to build our own version if they are not provided.
# a new glibc is being used so that __builtin_cpu_supports can be used.
powerpc*-*-linux*)
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -mabi=altivec -mvsx -mfloat128"
@ -459,48 +457,6 @@ powerpc*-*-linux*)
__attribute__ ((__ifunc__ ("add_resolver")));])],
[libgcc_cv_powerpc_float128_hw=yes],
[libgcc_cv_powerpc_float128_hw=no])])
AC_CACHE_CHECK([for PowerPC convert __float128 to/from _Decimal libraries],
[libgcc_cv_powerpc_float128_dec],
[AC_LINK_IFELSE(
[AC_LANG_SOURCE([#include <stdlib.h>
__attribute__((noinline)) __float128 f128_from_d128 (_Decimal128 d128)
{
return (__float128)d128;
}
__attribute__((noinline)) __float128 f128_from_d64 (_Decimal128 d64)
{
return (__float128)d64;
}
__attribute__((noinline)) __float128 f128_from_d32 (_Decimal128 d32)
{
return (__float128)d32;
}
__attribute__((noinline)) _Decimal128 d128_from_f128 (__float128 f128)
{
return (_Decimal128)f128;
}
__attribute__((noinline)) _Decimal64 d64_from_f128 (__float128 f128)
{
return (_Decimal64)f128;
}
__attribute__((noinline)) _Decimal32 d32_from_f128 (__float128 f128)
{
return (_Decimal32)f128;
}
int main (void)
{
__float128 five = 5.0;
if (f128_from_d128 (5.0dl) != five
|| f128_from_d64 (5.0dd) != five
|| f128_from_d32 (5.0df) != five
|| d128_from_f128 (five) != 5.0dl
|| d64_from_f128 (five) != 5.0dd
|| d32_from_f128 (five) != 5.0df)
abort ();
return 0;
}])],
[libgcc_cv_powerpc_float128_dec=yes],
[libgcc_cv_powerpc_float128_dec=no])])
CFLAGS="$saved_CFLAGS"
esac