From: http://git.qemu.org/?p=qemu.git;a=commitdiff;h=3bf7e40ab9140e577a6e7e17d3f5711b28aed833

From: Avi Kivity <avi@redhat.com>
Date: Tue, 27 Dec 2011 15:11:20 +0000 (+0200)
Subject: softfloat: fix for C99

softfloat: fix for C99

C99 appears to consider compound literals as non-constants, and complains
when they are used in static initializers.  Switch to ordinary initializer
syntax.


diff -dur xen-4.2.0.orig/tools/qemu-xen/fpu/softfloat-specialize.h xen-4.2.0/tools/qemu-xen/fpu/softfloat-specialize.h
--- xen-4.2.0.orig/tools/qemu-xen/fpu/softfloat-specialize.h	2012-09-10 20:10:52.000000000 +0200
+++ xen-4.2.0/tools/qemu-xen/fpu/softfloat-specialize.h	2012-10-22 14:58:26.000000000 +0200
@@ -89,8 +89,8 @@
 #define floatx80_default_nan_low  LIT64( 0xC000000000000000 )
 #endif
 
-const floatx80 floatx80_default_nan = make_floatx80(floatx80_default_nan_high,
-                                                    floatx80_default_nan_low);
+const floatx80 floatx80_default_nan
+    = make_floatx80_init(floatx80_default_nan_high, floatx80_default_nan_low);
 
 /*----------------------------------------------------------------------------
 | The pattern for a default generated quadruple-precision NaN.  The `high' and
@@ -104,8 +104,8 @@
 #define float128_default_nan_low  LIT64( 0x0000000000000000 )
 #endif
 
-const float128 float128_default_nan = make_float128(float128_default_nan_high,
-                                                    float128_default_nan_low);
+const float128 float128_default_nan
+    = make_float128_init(float128_default_nan_high, float128_default_nan_low);
 
 /*----------------------------------------------------------------------------
 | Raises the exceptions specified by `flags'.  Floating-point traps can be
diff -dur xen-4.2.0.orig/tools/qemu-xen/fpu/softfloat.h xen-4.2.0/tools/qemu-xen/fpu/softfloat.h
--- xen-4.2.0.orig/tools/qemu-xen/fpu/softfloat.h	2012-09-10 20:10:52.000000000 +0200
+++ xen-4.2.0/tools/qemu-xen/fpu/softfloat.h	2012-10-22 14:58:26.000000000 +0200
@@ -129,6 +129,7 @@
     uint16_t high;
 } floatx80;
 #define make_floatx80(exp, mant) ((floatx80) { mant, exp })
+#define make_floatx80_init(exp, mant) { .low = mant, .high = exp }
 typedef struct {
 #ifdef HOST_WORDS_BIGENDIAN
     uint64_t high, low;
@@ -137,6 +138,7 @@
 #endif
 } float128;
 #define make_float128(high_, low_) ((float128) { .high = high_, .low = low_ })
+#define make_float128_init(high_, low_) { .high = high_, .low = low_ }
 
 /*----------------------------------------------------------------------------
 | Software IEC/IEEE floating-point underflow tininess-detection mode.