+2016-06-12 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/71241
+ * config/i386/i386.i386-builtin-types.def (CONST_STRING):
+ New primitive type.
+ (FLOAT128_FTYPE_CONST_STRING): New function type.
+ * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_NANQ]: New.
+ [IX86_BUILTIN_NANSQ]: Ditto.
+ (ix86_fold_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
+ (ix86_init_builtin_types) Declare const_string_type_node.
+ Add __builtin_nanq and __builtin_nansq builtin functions.
+ (ix86_expand_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
+ * doc/extend.texi (x86 Built-in Functions): Document
+ __builtin_nanq and __builtin_nansq.
+
2016-06-11 Jiong Wang <jiong.wang@arm.com>
PR target/71061
(fsm_find_control_statement_thread_paths): Avoid putting the same
block on the thread path twice, but ensure the thread path is
unchanged from the caller's point of view.
-
+
2016-06-10 Jan Hubicka <hubicka@ucw.cz>
* predict.c (predict_loops): Remove PRED_LOOP_BRANCH.
Jiong Wang <jiong.wang@arm.com>
PR rtl-optimization/70751
- * lra-constraints.c (process_alt_operands): Recognize Non-pseudo spilled
- into memory.
+ * lra-constraints.c (process_alt_operands): Recognize Non-pseudo
+ spilled into memory.
-2016-06-09 Jonathan Yong <10walls@gmail.com>
+2016-06-09 Jonathan Yong <10walls@gmail.com>
Revert:
2015-09-21 Jonathan Yong <10walls@gmail.com>
- * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
- sysroot/usr/lib/32api for additional win32 libraries,
- fixes failing Cygwin bootstrapping.
+
+ * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
+ sysroot/usr/lib/32api for additional win32 libraries,
+ fixes failing Cygwin bootstrapping.
2016-06-09 Marcin Baczyński <marbacz@gmail.com>
* diagnostic.h (diagnostic_line_cutoff, diagnostic_flush_buffer):
- delete.
+ Delete.
2016-06-09 David Malcolm <dmalcolm@redhat.com>
2016-06-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
- * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local
- variable.
+ * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local variable.
2016-06-07 Jakub Jelinek <jakub@redhat.com>
DEF_PRIMITIVE_TYPE (DOUBLE, double_type_node)
DEF_PRIMITIVE_TYPE (FLOAT80, float80_type_node)
DEF_PRIMITIVE_TYPE (FLOAT128, float128_type_node)
+DEF_PRIMITIVE_TYPE (CONST_STRING, const_string_type_node)
# MMX vectors
DEF_VECTOR_TYPE (V2SF, FLOAT)
DEF_FUNCTION_TYPE (FLOAT, FLOAT)
DEF_FUNCTION_TYPE (FLOAT128, FLOAT128)
+DEF_FUNCTION_TYPE (FLOAT128, CONST_STRING)
DEF_FUNCTION_TYPE (INT, INT)
DEF_FUNCTION_TYPE (INT, V16QI)
DEF_FUNCTION_TYPE (INT, V2DF)
/* TFmode support builtins. */
IX86_BUILTIN_INFQ,
IX86_BUILTIN_HUGE_VALQ,
+ IX86_BUILTIN_NANQ,
+ IX86_BUILTIN_NANSQ,
IX86_BUILTIN_FABSQ,
IX86_BUILTIN_COPYSIGNQ,
{
enum ix86_builtins fn_code = (enum ix86_builtins)
DECL_FUNCTION_CODE (fndecl);
- if (fn_code == IX86_BUILTIN_CPU_IS
- || fn_code == IX86_BUILTIN_CPU_SUPPORTS)
+ switch (fn_code)
{
+ case IX86_BUILTIN_CPU_IS:
+ case IX86_BUILTIN_CPU_SUPPORTS:
gcc_assert (n_args == 1);
- return fold_builtin_cpu (fndecl, args);
+ return fold_builtin_cpu (fndecl, args);
+
+ case IX86_BUILTIN_NANQ:
+ case IX86_BUILTIN_NANSQ:
+ {
+ tree type = TREE_TYPE (TREE_TYPE (fndecl));
+ const char *str = c_getstr (*args);
+ int quiet = fn_code == IX86_BUILTIN_NANQ;
+ REAL_VALUE_TYPE real;
+
+ if (str && real_nan (&real, str, quiet, TYPE_MODE (type)))
+ return build_real (type, real);
+ return NULL_TREE;
+ }
+
+ default:
+ break;
}
}
static void
ix86_init_builtin_types (void)
{
- tree float128_type_node, float80_type_node;
+ tree float128_type_node, float80_type_node, const_string_type_node;
/* The __float80 type. */
float80_type_node = long_double_type_node;
layout_type (float128_type_node);
lang_hooks.types.register_builtin_type (float128_type_node, "__float128");
+ const_string_type_node
+ = build_pointer_type (build_qualified_type
+ (char_type_node, TYPE_QUAL_CONST));
+
/* This macro is built by i386-builtin-types.awk. */
DEFINE_BUILTIN_PRIMITIVE_TYPES;
}
def_builtin_const (0, "__builtin_huge_valq",
FLOAT128_FTYPE_VOID, IX86_BUILTIN_HUGE_VALQ);
+ t = ix86_get_builtin_func_type (FLOAT128_FTYPE_CONST_STRING);
+ t = add_builtin_function ("__builtin_nanq", t, IX86_BUILTIN_NANQ,
+ BUILT_IN_MD, "nanq", NULL_TREE);
+ TREE_READONLY (t) = 1;
+ ix86_builtins[(int) IX86_BUILTIN_NANQ] = t;
+
+ t = ix86_get_builtin_func_type (FLOAT128_FTYPE_CONST_STRING);
+ t = add_builtin_function ("__builtin_nansq", t, IX86_BUILTIN_NANSQ,
+ BUILT_IN_MD, "nansq", NULL_TREE);
+ TREE_READONLY (t) = 1;
+ ix86_builtins[(int) IX86_BUILTIN_NANSQ] = t;
+
/* We will expand them to normal call if SSE isn't available since
they are used by libgcc. */
t = ix86_get_builtin_func_type (FLOAT128_FTYPE_FLOAT128);
return target;
}
+ case IX86_BUILTIN_NANQ:
+ case IX86_BUILTIN_NANSQ:
+ return expand_call (exp, target, ignore);
+
case IX86_BUILTIN_RDPMC:
case IX86_BUILTIN_RDTSC:
case IX86_BUILTIN_RDTSCP:
+2016-06-12 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/71241
+ * testsuite/gcc.dg/torture/float128-nan.c: New test.
+
2016-06-12 Dominique d'Humieres <dominiq@lps.ens.fr>
PR target/60751
--- /dev/null
+/* Test __float128 NaN generation. */
+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-require-effective-target fenv_exceptions } */
+/* { dg-options "" } */
+
+#include <fenv.h>
+#include <stdbool.h>
+
+typedef unsigned long long int uint64_t;
+
+typedef union
+{
+ __float128 value;
+
+ struct
+#ifdef __MINGW32__
+ /* Make sure we are using gnu-style bitfield handling. */
+ __attribute__ ((gcc_struct))
+#endif
+ {
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+ unsigned negative:1;
+ unsigned exponent:15;
+ unsigned quiet_nan:1;
+ uint64_t mant_high:47;
+ uint64_t mant_low:64;
+#else
+ uint64_t mant_low:64;
+ uint64_t mant_high:47;
+ unsigned quiet_nan:1;
+ unsigned exponent:15;
+ unsigned negative:1;
+#endif
+ } nan;
+
+} ieee854_float128;
+
+bool
+__attribute__((noinline, noclone))
+check_nan (__float128 val, bool quiet)
+{
+ ieee854_float128 u;
+ volatile __float128 tmp;
+
+ u.value = val;
+
+ if (u.nan.exponent != 0x7fff
+ || (u.nan.quiet_nan | u.nan.mant_high | u.nan.mant_low) == 0
+ || u.nan.quiet_nan != quiet)
+ return false;
+
+ if (!__builtin_isnan (u.value))
+ return false;
+
+ feclearexcept (FE_INVALID);
+
+ tmp = u.value + u.value;
+
+ if ((fetestexcept (FE_INVALID) != 0) == quiet)
+ return false;
+
+ return true;
+}
+
+int
+main (void)
+{
+ __float128 nan;
+
+ nan = __builtin_nanq ("");
+
+ if (!check_nan (nan, true))
+ __builtin_abort ();
+
+ nan = __builtin_nanq ("0x0");
+
+ if (!check_nan (nan, true))
+ __builtin_abort ();
+
+ nan = __builtin_nanq ("0x1");
+
+ if (!check_nan (nan, true))
+ __builtin_abort ();
+
+ nan = __builtin_nansq ("");
+
+ if (!check_nan (nan, false))
+ __builtin_abort ();
+
+ nan = __builtin_nansq ("0x0");
+
+ if (!check_nan (nan, false))
+ __builtin_abort ();
+
+ nan = __builtin_nansq ("0x1");
+
+ if (!check_nan (nan, false))
+ __builtin_abort ();
+
+ return 0;
+}
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