configure.host (ieee_flags): Add -mieee for alpha*.

libgfortran/ChangeLog:

	* configure.host (ieee_flags): Add -mieee for alpha*.

	* config/fpu-glibc.h (support_fpu_rounding_mode): Correctly handle
	GFC_FPE_UPWARD, GFC_FPE_DOWNWARD and GFC_FPE_TOWARDZERO.
	* config/fpu-aix.h (support_fpu_rounding_mode): Ditto.

testsuite/ChangeLog:

	* gfortran.dg/ieee/ieee_1.F90 (dg-additional-options): Remove -O0.
	* gfortran.dg/ieee/ieee_rounding_1.f90 (dg-additional-options): Add.

From-SVN: r212224

gcc/testsuite/ChangeLog

+2014-07-02  Uros Bizjak  <ubizjak@gmail.com>
+
+	* gfortran.dg/ieee/ieee_1.F90 (dg-additional-options): Remove -O0.
+	* gfortran.dg/ieee/ieee_rounding_1.f90 (dg-additional-options): Add.
+
 2014-07-02  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	* g++.dg/cpp0x/variadic-ex10.C: Adjust for inform instead of error.
@@ -15,8 +20,8 @@
 	    Yufeng Zhang  <yufeng.zhang@arm.com>
 
 	* gcc.target/aarch64/aapcs64/aapcs64.exp:
-	(additional_flags_for_func_ret): New variable based on $additional_flags
-	with -fno-use-caller-save.
+	(additional_flags_for_func_ret): New variable based on
+	$additional_flags with -fno-use-caller-save.
 	(func-ret-*.c): Use the new variable.
 
 2014-07-01  Paolo Carlini  <paolo.carlini@oracle.com>

gcc/testsuite/gfortran.dg/ieee/ieee_1.F90

 ! { dg-do run }
-! { dg-additional-options "-ffree-line-length-none -O0" }
+! { dg-additional-options "-ffree-line-length-none" }
 !
 ! Use dg-additional-options rather than dg-options to avoid overwriting the
 ! default IEEE options which are passed by ieee.exp and necessary.

gcc/testsuite/gfortran.dg/ieee/ieee_rounding_1.f90

 ! { dg-do run }
+! { dg-additional-options "-mfp-rounding-mode=d" { target alpha*-*-* } }
 
   use, intrinsic :: ieee_features, only : ieee_rounding
   use, intrinsic :: ieee_arithmetic

libgfortran/ChangeLog

+2014-07-02  Uros Bizjak  <ubizjak@gmail.com>
+
+	* configure.host (ieee_flags): Add -mieee for alpha*.
+
+	* config/fpu-glibc.h (support_fpu_rounding_mode): Correctly handle
+	GFC_FPE_UPWARD, GFC_FPE_DOWNWARD and GFC_FPE_TOWARDZERO.
+	* config/fpu-aix.h (support_fpu_rounding_mode): Ditto.
+
 2014-06-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 
 	* config/fpu-387.h (my_fenv_t): Amend structure so it also works
@@ -7,7 +15,7 @@
 
 	PR libgfortran/61640
 	* io/list_read.c (next_char_internal): Adjust the read length to
-	a single wide character. (eat_spaces): Add missing paren. 
+	a single wide character. (eat_spaces): Add missing paren.
 	* io/unix.c (mem_read4): Use the correct mem_alloc function for
 	wide character internal reads.
 

libgfortran/config/fpu-aix.h

@@ -372,18 +372,21 @@ support_fpu_rounding_mode (int mode)
 	return 0;
 #endif
 
+      case GFC_FPE_UPWARD:
 #ifdef FE_UPWARD
 	return 1;
 #else
 	return 0;
 #endif
 
+      case GFC_FPE_DOWNWARD:
 #ifdef FE_DOWNWARD
 	return 1;
 #else
 	return 0;
 #endif
 
+      case GFC_FPE_TOWARDZERO:
 #ifdef FE_TOWARDZERO
 	return 1;
 #else

libgfortran/config/fpu-glibc.h

@@ -387,18 +387,21 @@ support_fpu_rounding_mode (int mode)
 	return 0;
 #endif
 
+      case GFC_FPE_UPWARD:
 #ifdef FE_UPWARD
 	return 1;
 #else
 	return 0;
 #endif
 
+      case GFC_FPE_DOWNWARD:
 #ifdef FE_DOWNWARD
 	return 1;
 #else
 	return 0;
 #endif
 
+      case GFC_FPE_TOWARDZERO:
 #ifdef FE_TOWARDZERO
 	return 1;
 #else

libgfortran/configure.host

@@ -48,6 +48,8 @@ esac
 # Some targets require additional compiler options for NaN/Inf.
 ieee_flags=
 case "${host_cpu}" in
+  alpha*)
+    ieee_flags="-mieee" ;;
   sh*)
     ieee_flags="-mieee" ;;
 esac