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* Partially revert my previous commit.

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From-SVN: r237418
This commit is contained in:
Uros Bizjak 2016-06-14 01:11:27 +02:00
parent 385c7747b7
commit 7d6aa9a605
17 changed files with 33 additions and 165 deletions
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8
gcc/ChangeLog
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@ -1,15 +1,7 @@
2016-06-13 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386-builtin-types.def (INT_FTYPE_FLOAT128):
New function type.
* config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_SIGNBITQ]: New.
(ix86_init_builtins): Add __builtin_signbitq function.
(ix86_expand_args_builtin): Handle INT_FTYPE_FLOAT128.
(ix86_expand_builtin): Handle IX86_BUILTIN_SIGNBITQ.
* config/i386/i386.md (signbittf2): New expander.
* config/i386/sse.md (ptesttf2): New insn pattern.
* doc/extend.texi (x86 Built-in Functions): Document
__builtin_signbitq.
2016-06-13 David Malcolm <dmalcolm@redhat.com>

1
gcc/config/i386/i386-builtin-types.def
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@ -202,7 +202,6 @@ DEF_FUNCTION_TYPE (INT, V8QI)
DEF_FUNCTION_TYPE (INT, V8SF)
DEF_FUNCTION_TYPE (INT, V32QI)
DEF_FUNCTION_TYPE (INT, PCCHAR)
DEF_FUNCTION_TYPE (INT, FLOAT128)
DEF_FUNCTION_TYPE (INT64, INT64)
DEF_FUNCTION_TYPE (INT64, V2DF)
DEF_FUNCTION_TYPE (INT64, V4SF)

41
gcc/config/i386/i386.c
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@ -32722,7 +32722,6 @@ enum ix86_builtins
IX86_BUILTIN_NANSQ,
IX86_BUILTIN_FABSQ,
IX86_BUILTIN_COPYSIGNQ,
IX86_BUILTIN_SIGNBITQ,
/* Vectorizer support builtins. */
IX86_BUILTIN_CPYSGNPS,
@ -33984,8 +33983,6 @@ static const struct builtin_description bdesc_args[] =
{ OPTION_MASK_ISA_SSE4_1, CODE_FOR_sse4_1_mulv2siv2di3, "__builtin_ia32_pmuldq128", IX86_BUILTIN_PMULDQ128, UNKNOWN, (int) V2DI_FTYPE_V4SI_V4SI },
{ OPTION_MASK_ISA_SSE4_1, CODE_FOR_mulv4si3, "__builtin_ia32_pmulld128", IX86_BUILTIN_PMULLD128, UNKNOWN, (int) V4SI_FTYPE_V4SI_V4SI },
{ OPTION_MASK_ISA_SSE4_1, CODE_FOR_signbittf2, 0, IX86_BUILTIN_SIGNBITQ, UNKNOWN, (int) INT_FTYPE_FLOAT128 },
/* SSE4.1 */
{ OPTION_MASK_ISA_ROUND, CODE_FOR_sse4_1_roundpd, "__builtin_ia32_roundpd", IX86_BUILTIN_ROUNDPD, UNKNOWN, (int) V2DF_FTYPE_V2DF_INT },
{ OPTION_MASK_ISA_ROUND, CODE_FOR_sse4_1_roundps, "__builtin_ia32_roundps", IX86_BUILTIN_ROUNDPS, UNKNOWN, (int) V4SF_FTYPE_V4SF_INT },
@ -38302,13 +38299,6 @@ ix86_init_builtins (void)
TREE_READONLY (decl) = 1;
ix86_builtins[(int) IX86_BUILTIN_COPYSIGNQ] = decl;
ftype = ix86_get_builtin_func_type (INT_FTYPE_FLOAT128);
decl = add_builtin_function ("__builtin_signbitq", ftype,
IX86_BUILTIN_SIGNBITQ, BUILT_IN_MD,
"__signbittf2", NULL_TREE);
TREE_READONLY (decl) = 1;
ix86_builtins[(int) IX86_BUILTIN_SIGNBITQ] = decl;
ix86_init_tm_builtins ();
ix86_init_mmx_sse_builtins ();
ix86_init_mpx_builtins ();
@ -39138,7 +39128,6 @@ ix86_expand_args_builtin (const struct builtin_description *d,
case INT_FTYPE_V4SF:
case INT_FTYPE_V2DF:
case INT_FTYPE_V32QI:
case INT_FTYPE_FLOAT128:
case V16QI_FTYPE_V16QI:
case V8SI_FTYPE_V8SF:
case V8SI_FTYPE_V4SI:
@ -42649,26 +42638,16 @@ rdseed_step:
i < ARRAY_SIZE (bdesc_args);
i++, d++)
if (d->code == fcode)
{
switch (fcode)
{
case IX86_BUILTIN_FABSQ:
case IX86_BUILTIN_COPYSIGNQ:
if (!TARGET_SSE)
/* Emit a normal call if SSE isn't available. */
return expand_call (exp, target, ignore);
break;
case IX86_BUILTIN_SIGNBITQ:
if (!TARGET_SSE4_1)
/* Emit a normal call if SSE4_1 isn't available. */
return expand_call (exp, target, ignore);
break;
default:
break;
}
return ix86_expand_args_builtin (d, exp, target);
}
switch (fcode)
{
case IX86_BUILTIN_FABSQ:
case IX86_BUILTIN_COPYSIGNQ:
if (!TARGET_SSE)
/* Emit a normal call if SSE isn't available. */
return expand_call (exp, target, ignore);
default:
return ix86_expand_args_builtin (d, exp, target);
}
for (i = 0, d = bdesc_comi; i < ARRAY_SIZE (bdesc_comi); i++, d++)
if (d->code == fcode)

1
gcc/doc/extend.texi
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@ -18480,7 +18480,6 @@ of them implement the function that is part of the name.
@smallexample
__float128 __builtin_fabsq (__float128)
__float128 __builtin_copysignq (__float128, __float128)
int __builtin_signbitq (__float128)
@end smallexample
The following built-in functions are always available.

7
gcc/testsuite/ChangeLog
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@ -1,10 +1,3 @@
2016-06-13 Uros Bizjak <ubizjak@gmail.com>
* gcc.target/i386/float128-3.c: New test.
* gcc.target/i386/quad-sse4.c: Ditto.
* gcc.target/i386/quad-sse.c: Use -msse instead of -msse2.
Update scan strings.
2016-06-13 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/71498

21
gcc/testsuite/gcc.target/i386/float128-3.c
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@ -1,21 +0,0 @@
/* { dg-do run } */
/* { dg-options "-O2 -msse4.1" } */
/* { dg-require-effective-target sse4 } */
#include "sse4_1-check.h"
extern void abort (void);
static void
sse4_1_test (void)
{
static volatile __float128 a;
a = -1.2q;
if (!__builtin_signbitq (a))
abort ();
a = 1.2q;
if (__builtin_signbitq (a))
abort ();
}

11
gcc/testsuite/gcc.target/i386/quad-sse4.c
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@ -1,11 +0,0 @@
/* { dg-do compile } */
/* { dg-options "-O2 -msse4.1" } */
__float128 x;
int __test_1(void)
{
return __builtin_signbitq (x);
}
/* { dg-final { scan-assembler-not "signbit" } } */

12
libgcc/ChangeLog
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@ -1,15 +1,3 @@
2016-06-13 Uros Bizjak <ubizjak@gmail.com>
* config.host (i[34567]86-*-* | x86_64-*-*): Always include
i386/${host_address}/t-softfp in tmake_file.
* config/i386/32/t-softfp: Update comment for __builtin_copysignq.
* config/i386/32/tf-signs.c: Add __signbittf2 fallback function.
* config/i386/64/t-softfp: New file.
* config/i386/64/tf-signs.c: Ditto.
* config/i386/libgcc-bsd.ver: Add __signbittf2.
* config/i386/libgcc-glibc.ver: Ditto.
* config/i386/libgcc-sol2.ver: Ditto.
2016-06-05 Aaron Conole <aconole@redhat.com>
Nathan Sidwell <nathan@acm.org>

4
libgcc/config.host
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@ -1361,7 +1361,9 @@ i[34567]86-*-darwin* | x86_64-*-darwin* | \
i[34567]86-*-freebsd* | x86_64-*-freebsd* | \
i[34567]86-*-openbsd* | x86_64-*-openbsd*)
tmake_file="${tmake_file} t-softfp-tf"
tmake_file="${tmake_file} i386/${host_address}/t-softfp"
if test "${host_address}" = 32; then
tmake_file="${tmake_file} i386/${host_address}/t-softfp"
fi
tmake_file="${tmake_file} i386/t-softfp t-softfp"
;;
esac

3
libgcc/config/i386/32/t-softfp
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@ -1,6 +1,5 @@
# Omit TImode functions
softfp_int_modes := si di
# Provide fallbacks for __builtin_copysignq, __builtin_fabsq
# and __builtin_signbitq.
# Provide fallbacks for __builtin_copysignq and __builtin_fabsq.
LIB2ADD += $(srcdir)/config/i386/32/tf-signs.c

11
libgcc/config/i386/32/tf-signs.c
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@ -37,7 +37,6 @@ union _FP_UNION_Q
__float128 __copysigntf3 (__float128, __float128);
__float128 __fabstf2 (__float128);
int __signbittf2 (__float128);
__float128
__copysigntf3 (__float128 a, __float128 b)
@ -61,13 +60,3 @@ __fabstf2 (__float128 a)
return A.flt;
}
int
__signbittf2 (__float128 a)
{
union _FP_UNION_Q A;
A.flt = a;
return A.bits.sign;
}

2
libgcc/config/i386/64/t-softfp
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@ -1,2 +0,0 @@
# Provide fallbacks for __builtin_signbitq
LIB2ADD += $(srcdir)/config/i386/64/tf-signs.c

46
libgcc/config/i386/64/tf-signs.c
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@ -1,46 +0,0 @@
/* Copyright (C) 2016 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
union _FP_UNION_Q
{
__float128 flt;
struct
{
unsigned long long frac0 : 64;
unsigned long long frac1 : 48;
unsigned exp : 15;
unsigned sign : 1;
} bits __attribute__((packed));
};
int __signbittf3 (__float128);
int
__signbittf2 (__float128 a)
{
union _FP_UNION_Q A;
A.flt = a;
return A.bits.sign;
}

8
libgcc/config/i386/libgcc-glibc.ver
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@ -152,10 +152,6 @@ GCC_4.8.0 {
__cpu_model
__cpu_indicator_init
}
GCC_7.0.0 {
__signbittf2
}
%else
GCC_4.4.0 {
__addtf3
@ -197,8 +193,4 @@ GCC_4.8.0 {
__cpu_model
__cpu_indicator_init
}
GCC_7.0.0 {
__signbittf2
}
%endif

4
libgcc/config/ia64/libgcc-glibc.ver
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@ -95,3 +95,7 @@ GCC_4.4.0 {
__trunctfxf2
__unordtf2
}
GCC_7.0.0 {
__signbittf2
}

3
libgcc/config/ia64/t-softfp
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@ -1,4 +1,5 @@
# Provide fallbacks for __builtin_copysignq and __builtin_fabsq.
# Provide fallbacks for __builtin_copysignq, __builtin_fabsq
# and __builtin_signbitq.
LIB2ADD += $(srcdir)/config/ia64/tf-signs.c
LIB2ADD += $(srcdir)/config/ia64/sfp-exceptions.c

15
libgcc/config/ia64/tf-signs.c
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@ -26,8 +26,8 @@ union _FP_UNION_Q
__float128 flt;
struct
{
unsigned long frac1 : 64;
unsigned long frac0 : 48;
unsigned long frac0 : 64;
unsigned long frac1 : 48;
unsigned exp : 15;
unsigned sign : 1;
} bits __attribute__((packed));
@ -35,6 +35,7 @@ union _FP_UNION_Q
__float128 __copysigntf3 (__float128, __float128);
__float128 __fabstf2 (__float128);
int __signbittf2 (__float128);
__float128
__copysigntf3 (__float128 a, __float128 b)
@ -58,3 +59,13 @@ __fabstf2 (__float128 a)
return A.flt;
}
int
__signbittf2 (__float128 a)
{
union _FP_UNION_Q A;
A.flt = a;
return A.bits.sign;
}