Update soft-fp from glibc (PR libgcc/77265).

This patch updates soft-fp from glibc, bringing in the fix for PR
libgcc/77265, XFmode extension to TFmode wrongly turning an infinity
into a NaN.  A test for that bug is added.

Bootstrapped with no regressions on x86_64-pc-linux-gnu.

	PR libgcc/77265
gcc/testsuite:
	* gcc.dg/torture/float128-extend-inf.c: New test.

libgcc:
	* soft-fp/adddf3.c: Update from glibc.
	* soft-fp/addsf3.c: Likewise.
	* soft-fp/addtf3.c: Likewise.
	* soft-fp/divdf3.c: Likewise.
	* soft-fp/divsf3.c: Likewise.
	* soft-fp/divtf3.c: Likewise.
	* soft-fp/double.h: Likewise.
	* soft-fp/eqdf2.c: Likewise.
	* soft-fp/eqsf2.c: Likewise.
	* soft-fp/eqtf2.c: Likewise.
	* soft-fp/extenddftf2.c: Likewise.
	* soft-fp/extended.h: Likewise.
	* soft-fp/extendsfdf2.c: Likewise.
	* soft-fp/extendsftf2.c: Likewise.
	* soft-fp/extendxftf2.c: Likewise.
	* soft-fp/fixdfdi.c: Likewise.
	* soft-fp/fixdfsi.c: Likewise.
	* soft-fp/fixdfti.c: Likewise.
	* soft-fp/fixsfdi.c: Likewise.
	* soft-fp/fixsfsi.c: Likewise.
	* soft-fp/fixsfti.c: Likewise.
	* soft-fp/fixtfdi.c: Likewise.
	* soft-fp/fixtfsi.c: Likewise.
	* soft-fp/fixtfti.c: Likewise.
	* soft-fp/fixunsdfdi.c: Likewise.
	* soft-fp/fixunsdfsi.c: Likewise.
	* soft-fp/fixunsdfti.c: Likewise.
	* soft-fp/fixunssfdi.c: Likewise.
	* soft-fp/fixunssfsi.c: Likewise.
	* soft-fp/fixunssfti.c: Likewise.
	* soft-fp/fixunstfdi.c: Likewise.
	* soft-fp/fixunstfsi.c: Likewise.
	* soft-fp/fixunstfti.c: Likewise.
	* soft-fp/floatdidf.c: Likewise.
	* soft-fp/floatdisf.c: Likewise.
	* soft-fp/floatditf.c: Likewise.
	* soft-fp/floatsidf.c: Likewise.
	* soft-fp/floatsisf.c: Likewise.
	* soft-fp/floatsitf.c: Likewise.
	* soft-fp/floattidf.c: Likewise.
	* soft-fp/floattisf.c: Likewise.
	* soft-fp/floattitf.c: Likewise.
	* soft-fp/floatundidf.c: Likewise.
	* soft-fp/floatundisf.c: Likewise.
	* soft-fp/floatunditf.c: Likewise.
	* soft-fp/floatunsidf.c: Likewise.
	* soft-fp/floatunsisf.c: Likewise.
	* soft-fp/floatunsitf.c: Likewise.
	* soft-fp/floatuntidf.c: Likewise.
	* soft-fp/floatuntisf.c: Likewise.
	* soft-fp/floatuntitf.c: Likewise.
	* soft-fp/gedf2.c: Likewise.
	* soft-fp/gesf2.c: Likewise.
	* soft-fp/getf2.c: Likewise.
	* soft-fp/ledf2.c: Likewise.
	* soft-fp/lesf2.c: Likewise.
	* soft-fp/letf2.c: Likewise.
	* soft-fp/muldf3.c: Likewise.
	* soft-fp/mulsf3.c: Likewise.
	* soft-fp/multf3.c: Likewise.
	* soft-fp/negdf2.c: Likewise.
	* soft-fp/negsf2.c: Likewise.
	* soft-fp/negtf2.c: Likewise.
	* soft-fp/op-1.h: Likewise.
	* soft-fp/op-2.h: Likewise.
	* soft-fp/op-4.h: Likewise.
	* soft-fp/op-8.h: Likewise.
	* soft-fp/op-common.h: Likewise.
	* soft-fp/quad.h: Likewise.
	* soft-fp/single.h: Likewise.
	* soft-fp/soft-fp.h: Likewise.
	* soft-fp/subdf3.c: Likewise.
	* soft-fp/subsf3.c: Likewise.
	* soft-fp/subtf3.c: Likewise.
	* soft-fp/truncdfsf2.c: Likewise.
	* soft-fp/trunctfdf2.c: Likewise.
	* soft-fp/trunctfsf2.c: Likewise.
	* soft-fp/trunctfxf2.c: Likewise.
	* soft-fp/unorddf2.c: Likewise.
	* soft-fp/unordsf2.c: Likewise.
	* soft-fp/unordtf2.c: Likewise.

From-SVN: r239513

1 files changed, 40 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/torture/float128-extend-inf.c b/gcc/testsuite/gcc.dg/torture/float128-extend-inf.c
new file mode 100644
index 0000000..35f6efc
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/float128-extend-inf.c
@@ -0,0 +1,40 @@
+/* Test infinities convert to __float128 infinity.  Bug 77265.  */
+/* { dg-do run } */
+/* { dg-require-effective-target __float128 } */
+/* { dg-require-effective-target base_quadfloat_support } */
+/* { dg-add-options __float128 } */
+
+extern void abort (void);
+extern void exit (int);
+
+volatile float finf = __builtin_inff ();
+volatile double dinf = __builtin_inf ();
+volatile long double ldinf = __builtin_infl ();
+volatile float nfinf = -__builtin_inff ();
+volatile double ndinf = -__builtin_inf ();
+volatile long double nldinf = -__builtin_infl ();
+
+int
+main (void)
+{
+  volatile __float128 r;
+  r = (__float128) finf;
+  if (!__builtin_isinf (r) || __builtin_signbit (r) != 0)
+    abort ();
+  r = (__float128) dinf;
+  if (!__builtin_isinf (r) || __builtin_signbit (r) != 0)
+    abort ();
+  r = (__float128) ldinf;
+  if (!__builtin_isinf (r) || __builtin_signbit (r) != 0)
+    abort ();
+  r = (__float128) nfinf;
+  if (!__builtin_isinf (r) || __builtin_signbit (r) == 0)
+    abort ();
+  r = (__float128) ndinf;
+  if (!__builtin_isinf (r) || __builtin_signbit (r) == 0)
+    abort ();
+  r = (__float128) nldinf;
+  if (!__builtin_isinf (r) || __builtin_signbit (r) == 0)
+    abort ();
+  exit (0);
+}