From: Uros Bizjak <ubizjak@gmail.com>
Date: Wed, 30 Jan 2019 20:44:35 +0000 (+0100)
Subject: re PR fortran/88678 (Many gfortran.dg/ieee/ieee_X.f90 test cases fail starting with... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=05dfdd6c5a62a4b2cfaab6be554e859987c2aa79;p=gcc.git

re PR fortran/88678 (Many gfortran.dg/ieee/ieee_X.f90 test cases fail starting with r267465)

	PR fortran/88678
	* config/fpu-glibc.h (support_fpu_trap): Do not try to enable
	exceptions to determine if exception is supported.

From-SVN: r268402
---

diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index 87fc2d6a38c..3cf16a57c7e 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,9 @@
+2019-01-30  Uroš Bizjak  <ubizjak@gmail.com>
+
+	PR fortran/88678
+	* config/fpu-glibc.h (support_fpu_trap): Do not try to enable
+	exceptions to determine if exception is supported.
+
 2019-01-30  Uroš Bizjak  <ubizjak@gmail.com>
 
 	PR fortran/88678
diff --git a/libgfortran/config/fpu-glibc.h b/libgfortran/config/fpu-glibc.h
index 9abdfd95ee3..df2588e038d 100644
--- a/libgfortran/config/fpu-glibc.h
+++ b/libgfortran/config/fpu-glibc.h
@@ -129,41 +129,7 @@ get_fpu_trap_exceptions (void)
 int
 support_fpu_trap (int flag)
 {
-  int exceptions = 0;
-  int old;
-
-  if (!support_fpu_flag (flag))
-    return 0;
-
-#ifdef FE_INVALID
-  if (flag & GFC_FPE_INVALID) exceptions |= FE_INVALID;
-#endif
-
-#ifdef FE_DIVBYZERO
-  if (flag & GFC_FPE_ZERO) exceptions |= FE_DIVBYZERO;
-#endif
-
-#ifdef FE_OVERFLOW
-  if (flag & GFC_FPE_OVERFLOW) exceptions |= FE_OVERFLOW;
-#endif
-
-#ifdef FE_UNDERFLOW
-  if (flag & GFC_FPE_UNDERFLOW) exceptions |= FE_UNDERFLOW;
-#endif
-
-#ifdef FE_DENORMAL
-  if (flag & GFC_FPE_DENORMAL) exceptions |= FE_DENORMAL;
-#endif
-
-#ifdef FE_INEXACT
-  if (flag & GFC_FPE_INEXACT) exceptions |= FE_INEXACT;
-#endif
-
-  old = feenableexcept (exceptions);
-  if (old == -1)
-    return 0;
-  fedisableexcept (exceptions & ~old);
-  return 1;
+  return support_fpu_flag (flag);
 }