Commit 7baeabce authored by Alex Bennée's avatar Alex Bennée Committed by Peter Maydell
Browse files

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: default avatarAlex Bennée <alex.bennee@linaro.org>
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Reviewed-by: default avatarRichard Henderson <rth@twiddle.net>
Message-id: 1394822294-14837-20-git-send-email-peter.maydell@linaro.org
parent 2ed3ea11

fpu/softfloat.c

+2 −2
Original line number Diff line number Diff line
@@ -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) {

include/fpu/softfloat.h

+7 −0
Original line number Diff line number Diff line
@@ -244,6 +244,13 @@ 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