softfloat: export squash_input_denormal functions

I need these available outside of softfloat for some of the reciprocal
processing in aarch64 helper functions.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Message-id: 1394822294-14837-20-git-send-email-peter.maydell@linaro.org

diff --git a/fpu/softfloat.c b/fpu/softfloat.c
index fc0b179..5f02c16 100644 (file)
--- a/fpu/softfloat.c
+++ b/fpu/softfloat.c
@@ -288,7 +288,7 @@ INLINE flag extractFloat32Sign( float32 a )
 | If `a' is denormal and we are in flush-to-zero mode then set the
 | input-denormal exception and return zero. Otherwise just return the value.
 *----------------------------------------------------------------------------*/
-static float32 float32_squash_input_denormal(float32 a STATUS_PARAM)
+float32 float32_squash_input_denormal(float32 a STATUS_PARAM)
 {
     if (STATUS(flush_inputs_to_zero)) {
         if (extractFloat32Exp(a) == 0 && extractFloat32Frac(a) != 0) {
@@ -473,7 +473,7 @@ INLINE flag extractFloat64Sign( float64 a )
 | If `a' is denormal and we are in flush-to-zero mode then set the
 | input-denormal exception and return zero. Otherwise just return the value.
 *----------------------------------------------------------------------------*/
-static float64 float64_squash_input_denormal(float64 a STATUS_PARAM)
+float64 float64_squash_input_denormal(float64 a STATUS_PARAM)
 {
     if (STATUS(flush_inputs_to_zero)) {
         if (extractFloat64Exp(a) == 0 && extractFloat64Frac(a) != 0) {

diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h
index 4b4df88..db878c1 100644 (file)
--- a/include/fpu/softfloat.h
+++ b/include/fpu/softfloat.h
@@ -245,6 +245,13 @@ INLINE flag get_default_nan_mode(float_status *status)
 void float_raise( int8 flags STATUS_PARAM);
 
 /*----------------------------------------------------------------------------
+| If `a' is denormal and we are in flush-to-zero mode then set the
+| input-denormal exception and return zero. Otherwise just return the value.
+*----------------------------------------------------------------------------*/
+float32 float32_squash_input_denormal(float32 a STATUS_PARAM);
+float64 float64_squash_input_denormal(float64 a STATUS_PARAM);
+
+/*----------------------------------------------------------------------------
 | Options to indicate which negations to perform in float*_muladd()
 | Using these differs from negating an input or output before calling
 | the muladd function in that this means that a NaN doesn't have its