diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2019-05-06 14:49:25 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2019-09-04 12:53:33 -0700 |
| commit | 62f2b0389ff6fc7856b801bb5bee1c2d364d3e6c (patch) | |
| tree | 67be040ef1a5bab9ee48aabfcaffdb15432d4409 /target/openrisc/fpu_helper.c | |
| parent | fe636d3722bf266c7b1bd3ca12fa53fb78ceffa0 (diff) | |
target/openrisc: Add support for ORFPX64A32
This is hardware support for double-precision floating-point using
pairs of 32-bit registers. Fix latent bugs in the heretofore unused
helper_itofd and helper_ftoid. Include the bit for cpu "any".
Change the default cpu for linux-user to "any".
Reviewed-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/openrisc/fpu_helper.c')
| -rw-r--r-- | target/openrisc/fpu_helper.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/target/openrisc/fpu_helper.c b/target/openrisc/fpu_helper.c index 4cc5b297c5..9d7dfc0fb9 100644 --- a/target/openrisc/fpu_helper.c +++ b/target/openrisc/fpu_helper.c @@ -63,7 +63,7 @@ void HELPER(update_fpcsr)(CPUOpenRISCState *env) uint64_t HELPER(itofd)(CPUOpenRISCState *env, uint64_t val) { - return int32_to_float64(val, &env->fp_status); + return int64_to_float64(val, &env->fp_status); } uint32_t HELPER(itofs)(CPUOpenRISCState *env, uint32_t val) @@ -73,7 +73,7 @@ uint32_t HELPER(itofs)(CPUOpenRISCState *env, uint32_t val) uint64_t HELPER(ftoid)(CPUOpenRISCState *env, uint64_t val) { - return float32_to_int64(val, &env->fp_status); + return float64_to_int64_round_to_zero(val, &env->fp_status); } uint32_t HELPER(ftois)(CPUOpenRISCState *env, uint32_t val) @@ -81,6 +81,16 @@ uint32_t HELPER(ftois)(CPUOpenRISCState *env, uint32_t val) return float32_to_int32_round_to_zero(val, &env->fp_status); } +uint64_t HELPER(stod)(CPUOpenRISCState *env, uint32_t val) +{ + return float32_to_float64(val, &env->fp_status); +} + +uint32_t HELPER(dtos)(CPUOpenRISCState *env, uint64_t val) +{ + return float64_to_float32(val, &env->fp_status); +} + #define FLOAT_CALC(name) \ uint64_t helper_float_ ## name ## _d(CPUOpenRISCState *env, \ uint64_t fdt0, uint64_t fdt1) \ |