+2014-02-03 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (flag_opts): Add -mlong-double-128.
+ (ix86_option_override_internal): Default long double to 64-bit for
+ 32-bit Bionic and to 128-bit for 64-bit Bionic.
+
+ * config/i386/i386.h (LONG_DOUBLE_TYPE_SIZE): Use 128 if
+ TARGET_LONG_DOUBLE_128 is true.
+ (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
+
+ * config/i386/i386.opt (mlong-double-80): Negate -mlong-double-64.
+ (mlong-double-64): Negate -mlong-double-128.
+ (mlong-double-128): New option.
+
+ * config/i386/i386-c.c (ix86_target_macros): Define
+ __LONG_DOUBLE_128__ for TARGET_LONG_DOUBLE_128.
+
+ * doc/invoke.texi: Document -mlong-double-128.
+
2014-02-03 H.J. Lu <hongjiu.lu@intel.com>
PR rtl-optimization/60024
if (TARGET_LONG_DOUBLE_64)
cpp_define (parse_in, "__LONG_DOUBLE_64__");
+ if (TARGET_LONG_DOUBLE_128)
+ cpp_define (parse_in, "__LONG_DOUBLE_128__");
+
cpp_define_formatted (parse_in, "__ATOMIC_HLE_ACQUIRE=%d", IX86_HLE_ACQUIRE);
cpp_define_formatted (parse_in, "__ATOMIC_HLE_RELEASE=%d", IX86_HLE_RELEASE);
static struct ix86_target_opts flag_opts[] =
{
{ "-m128bit-long-double", MASK_128BIT_LONG_DOUBLE },
+ { "-mlong-double-128", MASK_LONG_DOUBLE_128 },
{ "-mlong-double-64", MASK_LONG_DOUBLE_64 },
{ "-m80387", MASK_80387 },
{ "-maccumulate-outgoing-args", MASK_ACCUMULATE_OUTGOING_ARGS },
else if (opts_set->x_target_flags & MASK_RECIP)
opts->x_recip_mask &= ~(RECIP_MASK_ALL & ~opts->x_recip_mask_explicit);
- /* Default long double to 64-bit for Bionic. */
+ /* Default long double to 64-bit for 32-bit Bionic and to __float128
+ for 64-bit Bionic. */
if (TARGET_HAS_BIONIC
- && !(opts_set->x_target_flags & MASK_LONG_DOUBLE_64))
- opts->x_target_flags |= MASK_LONG_DOUBLE_64;
+ && !(opts_set->x_target_flags
+ & (MASK_LONG_DOUBLE_64 | MASK_LONG_DOUBLE_128)))
+ opts->x_target_flags |= (TARGET_64BIT
+ ? MASK_LONG_DOUBLE_128
+ : MASK_LONG_DOUBLE_64);
+
+ /* Only one of them can be active. */
+ gcc_assert ((opts->x_target_flags & MASK_LONG_DOUBLE_64) == 0
+ || (opts->x_target_flags & MASK_LONG_DOUBLE_128) == 0);
/* Save the initial options in case the user does function specific
options. */
#define LONG_LONG_TYPE_SIZE 64
#define FLOAT_TYPE_SIZE 32
#define DOUBLE_TYPE_SIZE 64
-#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_64 ? 64 : 80)
+#define LONG_DOUBLE_TYPE_SIZE \
+ (TARGET_LONG_DOUBLE_64 ? 64 : (TARGET_LONG_DOUBLE_128 ? 128 : 80))
/* Define this to set long double type size to use in libgcc2.c, which can
not depend on target_flags. */
#ifdef __LONG_DOUBLE_64__
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
+#elif defined (__LONG_DOUBLE_128__)
+#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
#else
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 80
#endif
sizeof(long double) is 12
mlong-double-80
-Target Report RejectNegative InverseMask(LONG_DOUBLE_64) Save
+Target Report RejectNegative Negative(mlong-double-64) InverseMask(LONG_DOUBLE_64) Save
Use 80-bit long double
mlong-double-64
-Target Report RejectNegative Mask(LONG_DOUBLE_64) Save
+Target Report RejectNegative Negative(mlong-double-128) Mask(LONG_DOUBLE_64) InverseMask(LONG_DOUBLE_128) Save
Use 64-bit long double
+mlong-double-128
+Target Report RejectNegative Negative(mlong-double-80) Mask(LONG_DOUBLE_128) InverseMask(LONG_DOUBLE_64) Save
+Use 128-bit long double
+
maccumulate-outgoing-args
Target Report Mask(ACCUMULATE_OUTGOING_ARGS) Save
Reserve space for outgoing arguments in the function prologue
-minline-stringops-dynamically -mstringop-strategy=@var{alg} @gol
-mmemcpy-strategy=@var{strategy} -mmemset-strategy=@var{strategy}
-mpush-args -maccumulate-outgoing-args -m128bit-long-double @gol
--m96bit-long-double -mlong-double-64 -mlong-double-80 @gol
+-m96bit-long-double -mlong-double-64 -mlong-double-80 -mlong-double-128 @gol
-mregparm=@var{num} -msseregparm @gol
-mveclibabi=@var{type} -mvect8-ret-in-mem @gol
-mpc32 -mpc64 -mpc80 -mstackrealign @gol
@item -mlong-double-64
@itemx -mlong-double-80
+@itemx -mlong-double-128
@opindex mlong-double-64
@opindex mlong-double-80
+@opindex mlong-double-128
These switches control the size of @code{long double} type. A size
of 64 bits makes the @code{long double} type equivalent to the @code{double}
-type. This is the default for Bionic C library.
+type. This is the default for 32-bit Bionic C library. A size
+of 128 bits makes the @code{long double} type equivalent to the
+@code{__float128} type. This is the default for 64-bit Bionic C library.
@strong{Warning:} if you override the default value for your target ABI, this
changes the size of
+2014-02-03 H.J. Lu <hongjiu.lu@intel.com>
+
+ * gcc.target/i386/long-double-64-1.c: Verify __multf3 isn't used.
+ * gcc.target/i386/long-double-64-4.c: Likewise.
+ * gcc.target/i386/long-double-80-1.c: Likewise.
+ * gcc.target/i386/long-double-80-2.c: Likewise.
+ * gcc.target/i386/long-double-80-3.c: Likewise.
+ * gcc.target/i386/long-double-80-4.c: Likewise.
+ * gcc.target/i386/long-double-80-5.c: Likewise.
+ * gcc.target/i386/long-double-64-2.c: Limit to ia32. Verify
+ __multf3 isn't used.
+ * gcc.target/i386/long-double-64-3.c: Likewise.
+ * gcc.target/i386/long-double-128-1.c: New test.
+ * gcc.target/i386/long-double-128-2.c: Likewise.
+ * gcc.target/i386/long-double-128-3.c: Likewise.
+ * gcc.target/i386/long-double-128-4.c: Likewise.
+ * gcc.target/i386/long-double-128-5.c: Likewise.
+ * gcc.target/i386/long-double-128-6.c: Likewise.
+ * gcc.target/i386/long-double-128-7.c: Likewise.
+ * gcc.target/i386/long-double-128-8.c: Likewise.
+ * gcc.target/i386/long-double-128-9.c: Likewise.
+ * gcc.target/i386/long-double-64-5.c: Likewise.
+ * gcc.target/i386/long-double-64-6.c: Likewise.
+ * gcc.target/i386/long-double-64-7.c: Likewise.
+ * gcc.target/i386/long-double-64-8.c: Likewise.
+ * gcc.target/i386/long-double-64-9.c: Likewise.
+ * gcc.target/i386/long-double-80-10.c: Likewise.
+ * gcc.target/i386/long-double-80-8.c: Likewise.
+ * gcc.target/i386/long-double-80-9.c: Likewise.
+
2014-02-03 Andrey Belevantsev <abel@ispras.ru>
PR rtl-optimization/57662
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-O2 -mlong-double-128" } */
+
+long double
+foo (long double x)
+{
+ return x * x;
+}
+
+/* { dg-final { scan-assembler-not "fldt" } } */
+/* { dg-final { scan-assembler "call\[\\t \]*_?__multf3" } } */
--- /dev/null
+/* { dg-do compile { target { *-*-linux* && { ! ia32 } } } } */
+/* { dg-options "-O2 -mbionic" } */
+
+long double
+foo (long double x)
+{
+ return x * x;
+}
+
+/* { dg-final { scan-assembler-not "fldt" } } */
+/* { dg-final { scan-assembler "call\[\\t \]*_?__multf3" } } */
--- /dev/null
+/* { dg-do compile { target { *-*-linux* && { ! ia32 } } } } */
+/* { dg-options "-O2 -mandroid" } */
+
+long double
+foo (long double x)
+{
+ return x * x;
+}
+
+/* { dg-final { scan-assembler-not "fldt" } } */
+/* { dg-final { scan-assembler "call\[\\t \]*_?__multf3" } } */
--- /dev/null
+/* { dg-do compile { target { *-*-linux* && { ! ia32 } } } } */
+/* { dg-options "-O2 -mlong-double-128 -mbionic" } */
+
+long double
+foo (long double x)
+{
+ return x * x;
+}
+
+/* { dg-final { scan-assembler-not "fldt" } } */
+/* { dg-final { scan-assembler "call\[\\t \]*_?__multf3" } } */
--- /dev/null
+/* { dg-do compile { target { *-*-linux* && { ! ia32 } } } } */
+/* { dg-options "-O2 -mlong-double-128 -mandroid" } */
+
+long double
+foo (long double x)
+{
+ return x * x;
+}
+
+/* { dg-final { scan-assembler-not "fldt" } } */
+/* { dg-final { scan-assembler "call\[\\t \]*_?__multf3" } } */
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-O2 -mlong-double-64 -mlong-double-128" } */
+
+long double
+foo (long double x)
+{
+ return x * x;
+}
+
+/* { dg-final { scan-assembler-not "fldt" } } */
+/* { dg-final { scan-assembler "call\[\\t \]*_?__multf3" } } */
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-O2 -mlong-double-64" } */
+
+__float128
+foo (__float128 x)
+{
+ return x * x;
+}
+
+/* { dg-final { scan-assembler-not "fldt" } } */
+/* { dg-final { scan-assembler "call\[\\t \]*_?__multf3" } } */
--- /dev/null
+/* { dg-do run } */
+/* { dg-options "-O0 -mlong-double-64 -mfpmath=387" } */
+
+int
+main ()
+{
+ __float128 a = -0.23456789;
+ if ((double) a >= 0)
+ __builtin_abort ();
+ return 0;
+}
--- /dev/null
+/* { dg-do run } */
+/* { dg-options "-O0 -mlong-double-64 -mfpmath=sse -msse2" } */
+/* { dg-require-effective-target sse2 } */
+
+#include "sse2-check.h"
+
+static void
+sse2_test (void)
+{
+ __float128 a = -0.23456789;
+ if ((double) a >= 0)
+ __builtin_abort ();
+}
}
/* { dg-final { scan-assembler-not "fldt" } } */
+/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
-/* { dg-do compile { target *-*-linux* } } */
+/* { dg-do compile { target { *-*-linux* && ia32 } } } */
/* { dg-options "-O2 -mbionic" } */
long double
}
/* { dg-final { scan-assembler-not "fldt" } } */
+/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
-/* { dg-do compile { target *-*-linux* } } */
+/* { dg-do compile { target { *-*-linux* && ia32 } } } */
/* { dg-options "-O2 -mandroid" } */
long double
}
/* { dg-final { scan-assembler-not "fldt" } } */
+/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
}
/* { dg-final { scan-assembler-not "fldt" } } */
+/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-O2 -mlong-double-128 -mlong-double-64" } */
+
+long double
+foo (long double x)
+{
+ return x * x;
+}
+
+/* { dg-final { scan-assembler-not "fldt" } } */
+/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-O2 -mlong-double-80 -mlong-double-128 -mlong-double-64" } */
+
+long double
+foo (long double x)
+{
+ return x * x;
+}
+
+/* { dg-final { scan-assembler-not "fldt" } } */
+/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-O2 -mlong-double-128 -mlong-double-80 -mlong-double-64" } */
+
+long double
+foo (long double x)
+{
+ return x * x;
+}
+
+/* { dg-final { scan-assembler-not "fldt" } } */
+/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
--- /dev/null
+/* { dg-do compile { target *-*-linux* } } */
+/* { dg-options "-O2 -mlong-double-64 -mbionic" } */
+
+long double
+foo (long double x)
+{
+ return x * x;
+}
+
+/* { dg-final { scan-assembler-not "fldt" } } */
+/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
--- /dev/null
+/* { dg-do compile { target *-*-linux* } } */
+/* { dg-options "-O2 -mlong-double-64 -mandroid" } */
+
+long double
+foo (long double x)
+{
+ return x * x;
+}
+
+/* { dg-final { scan-assembler-not "fldt" } } */
+/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
}
/* { dg-final { scan-assembler "fldt" } } */
+/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-O2 -mlong-double-128 -mlong-double-64 -mlong-double-80" } */
+
+long double
+foo (long double x)
+{
+ return x * x;
+}
+
+/* { dg-final { scan-assembler "fldt" } } */
+/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
}
/* { dg-final { scan-assembler "fldt" } } */
+/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
}
/* { dg-final { scan-assembler "fldt" } } */
+/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
}
/* { dg-final { scan-assembler "fldt" } } */
+/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
}
/* { dg-final { scan-assembler "fldt" } } */
+/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-O2 -mlong-double-128 -mlong-double-80" } */
+
+long double
+foo (long double x)
+{
+ return x * x;
+}
+
+/* { dg-final { scan-assembler "fldt" } } */
+/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-O2 -mlong-double-64 -mlong-double-128 -mlong-double-80" } */
+
+long double
+foo (long double x)
+{
+ return x * x;
+}
+
+/* { dg-final { scan-assembler "fldt" } } */
+/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
projects / gcc.git / commitdiff