Add -mlong-double-128 and make it default for 64-bit Bionic
gcc/ * 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. gcc/testsuite/ * 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. From-SVN: r207428
This commit is contained in:
H.J. Lu
H.J. Lu
parent
f742cf901d
commit
a2a1ddb57a
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@ -1,3 +1,22 @@
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2014-02-03 H.J. Lu <hongjiu.lu@intel.com>
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* config/i386/i386.c (flag_opts): Add -mlong-double-128.
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(ix86_option_override_internal): Default long double to 64-bit for
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32-bit Bionic and to 128-bit for 64-bit Bionic.
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* config/i386/i386.h (LONG_DOUBLE_TYPE_SIZE): Use 128 if
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TARGET_LONG_DOUBLE_128 is true.
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(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
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* config/i386/i386.opt (mlong-double-80): Negate -mlong-double-64.
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(mlong-double-64): Negate -mlong-double-128.
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(mlong-double-128): New option.
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* config/i386/i386-c.c (ix86_target_macros): Define
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__LONG_DOUBLE_128__ for TARGET_LONG_DOUBLE_128.
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* doc/invoke.texi: Document -mlong-double-128.
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2014-02-03 H.J. Lu <hongjiu.lu@intel.com>
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PR rtl-optimization/60024
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@ -513,6 +513,9 @@ ix86_target_macros (void)
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if (TARGET_LONG_DOUBLE_64)
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cpp_define (parse_in, "__LONG_DOUBLE_64__");
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if (TARGET_LONG_DOUBLE_128)
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cpp_define (parse_in, "__LONG_DOUBLE_128__");
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cpp_define_formatted (parse_in, "__ATOMIC_HLE_ACQUIRE=%d", IX86_HLE_ACQUIRE);
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cpp_define_formatted (parse_in, "__ATOMIC_HLE_RELEASE=%d", IX86_HLE_RELEASE);
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@ -2628,6 +2628,7 @@ ix86_target_string (HOST_WIDE_INT isa, int flags, const char *arch,
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static struct ix86_target_opts flag_opts[] =
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{
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{ "-m128bit-long-double", MASK_128BIT_LONG_DOUBLE },
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{ "-mlong-double-128", MASK_LONG_DOUBLE_128 },
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{ "-mlong-double-64", MASK_LONG_DOUBLE_64 },
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{ "-m80387", MASK_80387 },
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{ "-maccumulate-outgoing-args", MASK_ACCUMULATE_OUTGOING_ARGS },
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@ -4195,10 +4196,18 @@ ix86_option_override_internal (bool main_args_p,
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else if (opts_set->x_target_flags & MASK_RECIP)
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opts->x_recip_mask &= ~(RECIP_MASK_ALL & ~opts->x_recip_mask_explicit);
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/* Default long double to 64-bit for Bionic. */
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/* Default long double to 64-bit for 32-bit Bionic and to __float128
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for 64-bit Bionic. */
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if (TARGET_HAS_BIONIC
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&& !(opts_set->x_target_flags & MASK_LONG_DOUBLE_64))
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opts->x_target_flags |= MASK_LONG_DOUBLE_64;
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&& !(opts_set->x_target_flags
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& (MASK_LONG_DOUBLE_64 | MASK_LONG_DOUBLE_128)))
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opts->x_target_flags |= (TARGET_64BIT
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? MASK_LONG_DOUBLE_128
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: MASK_LONG_DOUBLE_64);
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/* Only one of them can be active. */
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gcc_assert ((opts->x_target_flags & MASK_LONG_DOUBLE_64) == 0
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|| (opts->x_target_flags & MASK_LONG_DOUBLE_128) == 0);
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/* Save the initial options in case the user does function specific
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options. */
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@ -668,12 +668,15 @@ extern const char *host_detect_local_cpu (int argc, const char **argv);
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#define LONG_LONG_TYPE_SIZE 64
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#define FLOAT_TYPE_SIZE 32
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#define DOUBLE_TYPE_SIZE 64
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#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_64 ? 64 : 80)
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#define LONG_DOUBLE_TYPE_SIZE \
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(TARGET_LONG_DOUBLE_64 ? 64 : (TARGET_LONG_DOUBLE_128 ? 128 : 80))
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/* Define this to set long double type size to use in libgcc2.c, which can
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not depend on target_flags. */
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#ifdef __LONG_DOUBLE_64__
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#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
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#elif defined (__LONG_DOUBLE_128__)
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#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
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#else
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#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 80
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#endif
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@ -186,13 +186,17 @@ Target RejectNegative Report InverseMask(128BIT_LONG_DOUBLE) Save
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sizeof(long double) is 12
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mlong-double-80
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Target Report RejectNegative InverseMask(LONG_DOUBLE_64) Save
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Target Report RejectNegative Negative(mlong-double-64) InverseMask(LONG_DOUBLE_64) Save
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Use 80-bit long double
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mlong-double-64
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Target Report RejectNegative Mask(LONG_DOUBLE_64) Save
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Target Report RejectNegative Negative(mlong-double-128) Mask(LONG_DOUBLE_64) InverseMask(LONG_DOUBLE_128) Save
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Use 64-bit long double
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mlong-double-128
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Target Report RejectNegative Negative(mlong-double-80) Mask(LONG_DOUBLE_128) InverseMask(LONG_DOUBLE_64) Save
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Use 128-bit long double
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maccumulate-outgoing-args
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Target Report Mask(ACCUMULATE_OUTGOING_ARGS) Save
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Reserve space for outgoing arguments in the function prologue
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@ -674,7 +674,7 @@ Objective-C and Objective-C++ Dialects}.
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-minline-stringops-dynamically -mstringop-strategy=@var{alg} @gol
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-mmemcpy-strategy=@var{strategy} -mmemset-strategy=@var{strategy}
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-mpush-args -maccumulate-outgoing-args -m128bit-long-double @gol
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-m96bit-long-double -mlong-double-64 -mlong-double-80 @gol
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-m96bit-long-double -mlong-double-64 -mlong-double-80 -mlong-double-128 @gol
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-mregparm=@var{num} -msseregparm @gol
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-mveclibabi=@var{type} -mvect8-ret-in-mem @gol
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-mpc32 -mpc64 -mpc80 -mstackrealign @gol
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@ -15053,11 +15053,15 @@ with code compiled without that switch.
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@item -mlong-double-64
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@itemx -mlong-double-80
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@itemx -mlong-double-128
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@opindex mlong-double-64
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@opindex mlong-double-80
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@opindex mlong-double-128
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These switches control the size of @code{long double} type. A size
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of 64 bits makes the @code{long double} type equivalent to the @code{double}
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type. This is the default for Bionic C library.
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type. This is the default for 32-bit Bionic C library. A size
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of 128 bits makes the @code{long double} type equivalent to the
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@code{__float128} type. This is the default for 64-bit Bionic C library.
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@strong{Warning:} if you override the default value for your target ABI, this
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changes the size of
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@ -1,3 +1,33 @@
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2014-02-03 H.J. Lu <hongjiu.lu@intel.com>
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* gcc.target/i386/long-double-64-1.c: Verify __multf3 isn't used.
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* gcc.target/i386/long-double-64-4.c: Likewise.
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* gcc.target/i386/long-double-80-1.c: Likewise.
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* gcc.target/i386/long-double-80-2.c: Likewise.
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* gcc.target/i386/long-double-80-3.c: Likewise.
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* gcc.target/i386/long-double-80-4.c: Likewise.
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* gcc.target/i386/long-double-80-5.c: Likewise.
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* gcc.target/i386/long-double-64-2.c: Limit to ia32. Verify
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__multf3 isn't used.
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* gcc.target/i386/long-double-64-3.c: Likewise.
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* gcc.target/i386/long-double-128-1.c: New test.
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* gcc.target/i386/long-double-128-2.c: Likewise.
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* gcc.target/i386/long-double-128-3.c: Likewise.
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* gcc.target/i386/long-double-128-4.c: Likewise.
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* gcc.target/i386/long-double-128-5.c: Likewise.
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* gcc.target/i386/long-double-128-6.c: Likewise.
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* gcc.target/i386/long-double-128-7.c: Likewise.
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* gcc.target/i386/long-double-128-8.c: Likewise.
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* gcc.target/i386/long-double-128-9.c: Likewise.
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* gcc.target/i386/long-double-64-5.c: Likewise.
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* gcc.target/i386/long-double-64-6.c: Likewise.
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* gcc.target/i386/long-double-64-7.c: Likewise.
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* gcc.target/i386/long-double-64-8.c: Likewise.
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* gcc.target/i386/long-double-64-9.c: Likewise.
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* gcc.target/i386/long-double-80-10.c: Likewise.
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* gcc.target/i386/long-double-80-8.c: Likewise.
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* gcc.target/i386/long-double-80-9.c: Likewise.
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2014-02-03 Andrey Belevantsev <abel@ispras.ru>
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PR rtl-optimization/57662
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@ -0,0 +1,11 @@
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/* { dg-do compile } */
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/* { dg-options "-O2 -mlong-double-128" } */
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long double
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foo (long double x)
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{
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return x * x;
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}
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/* { dg-final { scan-assembler-not "fldt" } } */
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/* { dg-final { scan-assembler "call\[\\t \]*_?__multf3" } } */
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@ -0,0 +1,11 @@
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/* { dg-do compile { target { *-*-linux* && { ! ia32 } } } } */
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/* { dg-options "-O2 -mbionic" } */
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long double
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foo (long double x)
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{
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return x * x;
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}
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/* { dg-final { scan-assembler-not "fldt" } } */
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/* { dg-final { scan-assembler "call\[\\t \]*_?__multf3" } } */
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@ -0,0 +1,11 @@
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/* { dg-do compile { target { *-*-linux* && { ! ia32 } } } } */
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/* { dg-options "-O2 -mandroid" } */
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long double
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foo (long double x)
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{
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return x * x;
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}
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/* { dg-final { scan-assembler-not "fldt" } } */
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/* { dg-final { scan-assembler "call\[\\t \]*_?__multf3" } } */
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@ -0,0 +1,11 @@
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/* { dg-do compile { target { *-*-linux* && { ! ia32 } } } } */
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/* { dg-options "-O2 -mlong-double-128 -mbionic" } */
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long double
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foo (long double x)
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{
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return x * x;
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}
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/* { dg-final { scan-assembler-not "fldt" } } */
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/* { dg-final { scan-assembler "call\[\\t \]*_?__multf3" } } */
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@ -0,0 +1,11 @@
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/* { dg-do compile { target { *-*-linux* && { ! ia32 } } } } */
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/* { dg-options "-O2 -mlong-double-128 -mandroid" } */
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long double
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foo (long double x)
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{
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return x * x;
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}
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/* { dg-final { scan-assembler-not "fldt" } } */
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/* { dg-final { scan-assembler "call\[\\t \]*_?__multf3" } } */
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@ -0,0 +1,11 @@
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/* { dg-do compile } */
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/* { dg-options "-O2 -mlong-double-64 -mlong-double-128" } */
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long double
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foo (long double x)
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{
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return x * x;
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}
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/* { dg-final { scan-assembler-not "fldt" } } */
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/* { dg-final { scan-assembler "call\[\\t \]*_?__multf3" } } */
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@ -0,0 +1,11 @@
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/* { dg-do compile } */
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/* { dg-options "-O2 -mlong-double-64" } */
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__float128
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foo (__float128 x)
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{
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return x * x;
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}
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/* { dg-final { scan-assembler-not "fldt" } } */
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/* { dg-final { scan-assembler "call\[\\t \]*_?__multf3" } } */
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@ -0,0 +1,11 @@
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/* { dg-do run } */
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/* { dg-options "-O0 -mlong-double-64 -mfpmath=387" } */
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int
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main ()
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{
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__float128 a = -0.23456789;
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if ((double) a >= 0)
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__builtin_abort ();
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return 0;
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}
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@ -0,0 +1,13 @@
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/* { dg-do run } */
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/* { dg-options "-O0 -mlong-double-64 -mfpmath=sse -msse2" } */
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/* { dg-require-effective-target sse2 } */
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#include "sse2-check.h"
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static void
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sse2_test (void)
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{
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__float128 a = -0.23456789;
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if ((double) a >= 0)
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__builtin_abort ();
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}
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@ -8,3 +8,4 @@ foo (long double x)
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}
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/* { dg-final { scan-assembler-not "fldt" } } */
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/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
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@ -1,4 +1,4 @@
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/* { dg-do compile { target *-*-linux* } } */
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/* { dg-do compile { target { *-*-linux* && ia32 } } } */
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/* { dg-options "-O2 -mbionic" } */
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long double
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@ -8,3 +8,4 @@ foo (long double x)
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}
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/* { dg-final { scan-assembler-not "fldt" } } */
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/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
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@ -1,4 +1,4 @@
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/* { dg-do compile { target *-*-linux* } } */
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/* { dg-do compile { target { *-*-linux* && ia32 } } } */
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/* { dg-options "-O2 -mandroid" } */
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long double
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@ -8,3 +8,4 @@ foo (long double x)
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}
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/* { dg-final { scan-assembler-not "fldt" } } */
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/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
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@ -8,3 +8,4 @@ foo (long double x)
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}
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/* { dg-final { scan-assembler-not "fldt" } } */
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/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
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@ -0,0 +1,11 @@
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/* { dg-do compile } */
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/* { dg-options "-O2 -mlong-double-128 -mlong-double-64" } */
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long double
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foo (long double x)
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{
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return x * x;
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}
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/* { dg-final { scan-assembler-not "fldt" } } */
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/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
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@ -0,0 +1,11 @@
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/* { dg-do compile } */
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/* { dg-options "-O2 -mlong-double-80 -mlong-double-128 -mlong-double-64" } */
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long double
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foo (long double x)
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{
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return x * x;
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}
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/* { dg-final { scan-assembler-not "fldt" } } */
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/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
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@ -0,0 +1,11 @@
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/* { dg-do compile } */
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/* { dg-options "-O2 -mlong-double-128 -mlong-double-80 -mlong-double-64" } */
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long double
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foo (long double x)
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{
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return x * x;
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}
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/* { dg-final { scan-assembler-not "fldt" } } */
|
||||
/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
/* { 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" } } */
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
/* { 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" } } */
|
||||
|
|
@ -8,3 +8,4 @@ foo (long double x)
|
|||
}
|
||||
|
||||
/* { dg-final { scan-assembler "fldt" } } */
|
||||
/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
|
||||
|
|
|
|||
|
|
@ -0,0 +1,11 @@
|
|||
/* { 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" } } */
|
||||
|
|
@ -8,3 +8,4 @@ foo (long double x)
|
|||
}
|
||||
|
||||
/* { dg-final { scan-assembler "fldt" } } */
|
||||
/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
|
||||
|
|
|
|||
|
|
@ -8,3 +8,4 @@ foo (long double x)
|
|||
}
|
||||
|
||||
/* { dg-final { scan-assembler "fldt" } } */
|
||||
/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
|
||||
|
|
|
|||
|
|
@ -8,3 +8,4 @@ foo (long double x)
|
|||
}
|
||||
|
||||
/* { dg-final { scan-assembler "fldt" } } */
|
||||
/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
|
||||
|
|
|
|||
|
|
@ -8,3 +8,4 @@ foo (__float80 x)
|
|||
}
|
||||
|
||||
/* { dg-final { scan-assembler "fldt" } } */
|
||||
/* { dg-final { scan-assembler-not "call\[\\t \]*_?__multf3" } } */
|
||||
|
|
|
|||
|
|
@ -0,0 +1,11 @@
|
|||
/* { 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" } } */
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
/* { 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" } } */
|
||||
Loading…
Reference in New Issue