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authorAurelien Jarno <aurelien@aurel32.net>2011-04-14 00:49:30 +0200
committerAurelien Jarno <aurelien@aurel32.net>2011-04-17 20:32:15 +0200
commit353ebb7ac22f2866ac3680a3340aa21185c50407 (patch)
tree1c93405c38ac6be89e3a80712e10175e6b3d7062 /target-mips
parent06a0e6b104718803bceecbb5efd4125bcf71d8c7 (diff)
downloadqemu-353ebb7ac22f2866ac3680a3340aa21185c50407.zip
target-mips: don't hardcode softfloat exception bits
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-mips')
-rw-r--r--target-mips/op_helper.c35
1 files changed, 20 insertions, 15 deletions
diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c
index abcb6eb8bc..0a623614fc 100644
--- a/target-mips/op_helper.c
+++ b/target-mips/op_helper.c
@@ -2077,22 +2077,27 @@ void helper_ctc1 (target_ulong arg1, uint32_t reg)
helper_raise_exception(EXCP_FPE);
}
-static inline char ieee_ex_to_mips(char xcpt)
+static inline int ieee_ex_to_mips(int xcpt)
{
- return (xcpt & float_flag_inexact) >> 5 |
- (xcpt & float_flag_underflow) >> 3 |
- (xcpt & float_flag_overflow) >> 1 |
- (xcpt & float_flag_divbyzero) << 1 |
- (xcpt & float_flag_invalid) << 4;
-}
-
-static inline char mips_ex_to_ieee(char xcpt)
-{
- return (xcpt & FP_INEXACT) << 5 |
- (xcpt & FP_UNDERFLOW) << 3 |
- (xcpt & FP_OVERFLOW) << 1 |
- (xcpt & FP_DIV0) >> 1 |
- (xcpt & FP_INVALID) >> 4;
+ int ret = 0;
+ if (xcpt) {
+ if (xcpt & float_flag_invalid) {
+ ret |= FP_INVALID;
+ }
+ if (xcpt & float_flag_overflow) {
+ ret |= FP_OVERFLOW;
+ }
+ if (xcpt & float_flag_underflow) {
+ ret |= FP_UNDERFLOW;
+ }
+ if (xcpt & float_flag_divbyzero) {
+ ret |= FP_DIV0;
+ }
+ if (xcpt & float_flag_inexact) {
+ ret |= FP_INEXACT;
+ }
+ }
+ return ret;
}
static inline void update_fcr31(void)