* lib/target-supports.exp (check_effective_target_dfp_nocache,

	check_effective_target_dfprt_nocache): New.
	(check_effective_target_dfp): Use check_effective_target_dfp_nocache.
	(check_effective_target_dfprt): New.
	* lib/c-compat.exp (check_dfp): Remove.
	(compat_dfp_setup): Use check_effective_target_dfprt_nocache.
	* gcc.dg/dfp/dfp.exp: Compile, execute, or skip tests based on
	level of support for decimal float.
	* gcc.dg/dfp/call-by-value.c, cast.c, compare-eq-const.c,
	compare-eq-d128.c, compare-eq-d32.c, compare-eq-d64.c,
	compare-eq-dfp.c, compare-rel-const.c, compare-rel-d128.c,
	compare-rel-d32.c, compare-rel-d64.c, compare-rel-dfp.c,
	convert-bfp.c, convert-bfp-fold.c, convert-complex.c, convert-dfp.c,
	convert-dfp-fold.c, convert-dfp-round.c, convert-int-fold.c,
	convert-int-saturate.c, func-array.c, func-mixed.c, func-scalar.c,
	func-struct.c, func-vararg-dfp.c, func-vararg-mixed.c,
	func-vararg-size0.c, inf-1.c, loop-index.c, nan-1.c, nan-2.c,
	operator-arith-fold.c, operator-assignment.c, operator-comma.c,
	operator-cond.c, operator-logical.c, operator-unary.c, snan.c,
	struct-layout-1.c, union-init.c, usual-arith-conv.c: Remove dg-do
	directives.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@109779 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 72 insertions, 21 deletions

diff --git a/gcc/testsuite/lib/c-compat.exp b/gcc/testsuite/lib/c-compat.exp
index 527058d445f..232ed3315db 100644
--- a/gcc/testsuite/lib/c-compat.exp
+++ b/gcc/testsuite/lib/c-compat.exp
@@ -1,4 +1,4 @@
-#   Copyright (C) 2002, 2003, 2005, 02005 Free Software Foundation, Inc.
+#   Copyright (C) 2002, 2003, 2005, 2006 Free Software Foundation, Inc.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -69,13 +69,13 @@ proc compat_setup_dfp { } {
     # If there is an alternate compiler, does it support decimal float types?
     if { $compat_use_alt == 1 && $compat_same_alt == 0 } {
 	compat-use-alt-compiler
-	set compat_have_dfp [check_dfp]
+	set compat_have_dfp [check_effective_target_dfprt_nocache]
 	compat-use-tst-compiler
 	verbose "compat_have_dfp for alt compiler: $compat_have_dfp" 2
     }
     # Does the compiler under test support it?
     if { $compat_have_dfp == 1 } {
-	set compat_have_dfp [check_dfp]
+	set compat_have_dfp [check_effective_target_dfprt_nocache]
 	verbose "compat_have_dfp for tst compiler: $compat_have_dfp" 2
     }
 
@@ -87,18 +87,6 @@ proc compat_setup_dfp { } {
     }
 }
 
-# Return 1 if the compiler supports decimal float types, 0 otherwise.
-#
-# Don't use check_effective_target since this will differ depending
-# on the compiler, not the target.
-#
-proc check_dfp { } {
-    set result [string match "" [get_compiler_messages dfp2 object {
-	_Decimal32 x; _Decimal64 y; _Decimal128 z;
-    }]]
-    return $result
-}
-
 # If either compiler does not support decimal float types, skip this test.
 
 proc dg-require-compat-dfp { args } {
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index 04ead203480..cadef960460 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -1,4 +1,5 @@
-#   Copyright (C) 1999, 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
+#   Copyright (C) 1999, 2001, 2003, 2004, 2005, 2006
+#   Free Software Foundation, Inc.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -1055,7 +1056,54 @@ proc check_effective_target_lp64 { } {
     return $et_lp64_saved
 }
 
-# Return 1 if the target supports Decimal Floating Point, 0 otherwise.
+# Return 1 if the target supports compiling decimal floating point,
+# 0 otherwise.
+
+proc check_effective_target_dfp_nocache { } {
+    verbose "check_effective_target_dfp_nocache: compiling source" 2
+    set ret [string match "" [get_compiler_messages dfp object {
+        _Decimal32 x; _Decimal64 y; _Decimal128 z;
+    }]]
+    verbose "check_effective_target_dfp_nocache: returning $ret" 2
+    return $ret
+}
+
+proc check_effective_target_dfprt_nocache { } {
+    global tool
+
+    set ret 0
+
+    verbose "check_effective_target_dfprt_nocache: compiling source" 2
+    # Set up, compile, and execute a test program containing decimal
+    # float operations.
+    set src dfprt[pid].c
+    set exe dfprt[pid].x
+
+    set f [open $src "w"]
+    puts $f "_Decimal32 x = 1.2df; _Decimal64 y = 2.3dd; _Decimal128 z;"
+    puts $f "int main () { z = x + y; return 0; }"
+    close $f
+
+    verbose "check_effective_target_dfprt_nocache: compiling testfile $src" 2
+    set lines [${tool}_target_compile $src $exe executable ""]
+    file delete $src
+
+    if [string match "" $lines] then {
+	# No error message, compilation succeeded.
+	set result [${tool}_load "./$exe" "" ""]
+	set status [lindex $result 0]
+	remote_file build delete $exe
+	verbose "check_effective_target_dfprt_nocache: testfile status is <$status>" 2
+	if { $status == "pass" } then {
+	    set ret 1
+	}
+    }
+    return $ret
+    verbose "check_effective_target_dfprt_nocache: returning $ret" 2
+}
+
+# Return 1 if the target supports compiling Decimal Floating Point,
+# 0 otherwise.
 #
 # This won't change for different subtargets so cache the result.
 
@@ -1065,15 +1113,30 @@ proc check_effective_target_dfp { } {
     if [info exists et_dfp_saved] {
 	verbose "check_effective_target_dfp: using cached result" 2
     } else {
-	verbose "check_effective_target_dfp: compiling source" 2
-	set et_dfp_saved [string match "" [get_compiler_messages dfp object {
-	    _Decimal32 x; _Decimal64 y; _Decimal128 z;
-	}]]
+	set et_dfp_saved [check_effective_target_dfp_nocache]
     }
     verbose "check_effective_target_dfp: returning $et_dfp_saved" 2
     return $et_dfp_saved
 }
 
+# Return 1 if the target supports linking and executing Decimal Floating
+# Point, # 0 otherwise.
+#
+# This won't change for different subtargets so cache the result.
+
+proc check_effective_target_dfprt { } {
+    global et_dfprt_saved
+    global tool
+
+    if [info exists et_dfprt_saved] {
+	verbose "check_effective_target_dfprt: using cached result" 2
+    } else {
+	set et_dfprt_saved [check_effective_target_dfprt_nocache]
+    }
+    verbose "check_effective_target_dfprt: returning $et_dfprt_saved" 2
+    return $et_dfprt_saved
+}
+
 # Return 1 if the target needs a command line argument to enable a SIMD
 # instruction set.
 #