Commit a9717332d7 for qemu.org

commit a9717332d743e5c65149d7bf694e260c2b1704d5
Author: Richard Henderson <richard.henderson@linaro.org>
Date:   Fri May 1 13:05:01 2026 +1000

    fpu: Introduce FloatExceptionFlags

    We have, in the past, used any of uint8_t, uint16_t or int
    to hold the set of exception flags.  Use a typedef instead.

    Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
    Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

diff --git a/fpu/softfloat-parts.c.inc b/fpu/softfloat-parts.c.inc
index 4715187017..bc348f75a3 100644
--- a/fpu/softfloat-parts.c.inc
+++ b/fpu/softfloat-parts.c.inc
@@ -297,7 +297,8 @@ static void partsN(uncanon_normal)(FloatPartsN *p, float_status *s,
     const uint64_t roundeven_mask = round_mask | frac_lsb;
     uint64_t inc;
     bool overflow_norm = saturate;
-    int exp, flags = 0;
+    int exp;
+    FloatExceptionFlags flags = 0;

     switch (s->float_rounding_mode) {
     case float_round_nearest_even_max:
@@ -1256,7 +1257,7 @@ static int64_t partsN(float_to_sint)(FloatPartsN *p, FloatRoundMode rmode,
                                      int scale, int64_t min, int64_t max,
                                      float_status *s)
 {
-    int flags = 0;
+    FloatExceptionFlags flags = 0;
     uint64_t r;

     switch (p->cls) {
@@ -1324,7 +1325,7 @@ static int64_t partsN(float_to_sint)(FloatPartsN *p, FloatRoundMode rmode,
 static uint64_t partsN(float_to_uint)(FloatPartsN *p, FloatRoundMode rmode,
                                       int scale, uint64_t max, float_status *s)
 {
-    int flags = 0;
+    FloatExceptionFlags flags = 0;
     uint64_t r;

     switch (p->cls) {
diff --git a/fpu/softfloat.c b/fpu/softfloat.c
index df94f299e1..391d8f3169 100644
--- a/fpu/softfloat.c
+++ b/fpu/softfloat.c
@@ -2976,7 +2976,7 @@ static int64_t float128_to_int64_scalbn(float128 a, FloatRoundMode rmode,
 static Int128 float128_to_int128_scalbn(float128 a, FloatRoundMode rmode,
                                         int scale, float_status *s)
 {
-    int flags = 0;
+    FloatExceptionFlags flags = 0;
     Int128 r;
     FloatParts128 p = float128_unpack_canonical(a, s);

diff --git a/include/fpu/softfloat-helpers.h b/include/fpu/softfloat-helpers.h
index 90862f5cd2..745a49f07a 100644
--- a/include/fpu/softfloat-helpers.h
+++ b/include/fpu/softfloat-helpers.h
@@ -64,7 +64,8 @@ static inline void set_float_rounding_mode(FloatRoundMode val,
     status->float_rounding_mode = val;
 }

-static inline void set_float_exception_flags(int val, float_status *status)
+static inline void
+set_float_exception_flags(FloatExceptionFlags val, float_status *status)
 {
     status->float_exception_flags = val;
 }
@@ -146,7 +147,8 @@ static inline FloatRoundMode get_float_rounding_mode(const float_status *status)
     return status->float_rounding_mode;
 }

-static inline int get_float_exception_flags(const float_status *status)
+static inline FloatExceptionFlags
+get_float_exception_flags(const float_status *status)
 {
     return status->float_exception_flags;
 }
diff --git a/include/fpu/softfloat-types.h b/include/fpu/softfloat-types.h
index ead146c22d..5048faa76f 100644
--- a/include/fpu/softfloat-types.h
+++ b/include/fpu/softfloat-types.h
@@ -181,6 +181,8 @@ enum {
     float_flag_input_denormal_used = 0x4000,
 };

+typedef uint16_t FloatExceptionFlags;
+
 /*
  * Rounding precision for floatx80.
  */
@@ -385,7 +387,7 @@ typedef enum __attribute__((__packed__)) {
  */

 typedef struct float_status {
-    uint16_t float_exception_flags;
+    FloatExceptionFlags float_exception_flags;
     FloatRoundMode float_rounding_mode;
     FloatX80RoundPrec floatx80_rounding_precision;
     FloatX80Behaviour floatx80_behaviour;
diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h
index 1580d956d5..4ae4ddc799 100644
--- a/include/fpu/softfloat.h
+++ b/include/fpu/softfloat.h
@@ -101,7 +101,7 @@ typedef enum {
 | Routine to raise any or all of the software IEC/IEEE floating-point
 | exception flags.
 *----------------------------------------------------------------------------*/
-static inline void float_raise(uint16_t flags, float_status *status)
+static inline void float_raise(FloatExceptionFlags flags, float_status *status)
 {
     status->float_exception_flags |= flags;
 }