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| author | Aurelien Jarno <aurelien@aurel32.net> | 2011-04-14 00:49:29 +0200 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2011-04-17 20:32:14 +0200 |
| commit | 67dd64bfae87b4464b880de03c1d04f5f605d48d (patch) | |
| tree | 96cd3b1921f7ea8220de45914a83fdf35fd8e145 /target-i386 | |
| parent | c41372230e441cb28dcf246d5f2a3226830156bd (diff) | |
| download | qemu-67dd64bfae87b4464b880de03c1d04f5f605d48d.zip qemu-67dd64bfae87b4464b880de03c1d04f5f605d48d.tar.gz qemu-67dd64bfae87b4464b880de03c1d04f5f605d48d.tar.bz2 | |
target-i386: add floatx_{add,mul,sub} and use them
Add floatx_{add,mul,sub} defines, and use them instead of using direct
C operations.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-i386')
| -rw-r--r-- | target-i386/exec.h | 6 | ||||
| -rw-r--r-- | target-i386/op_helper.c | 18 |
2 files changed, 14 insertions, 10 deletions
diff --git a/target-i386/exec.h b/target-i386/exec.h index 63a23cd..ae6b947 100644 --- a/target-i386/exec.h +++ b/target-i386/exec.h @@ -110,6 +110,9 @@ static inline void svm_check_intercept(uint32_t type) #define float64_to_floatx float64_to_floatx80 #define floatx_to_float32 floatx80_to_float32 #define floatx_to_float64 floatx80_to_float64 +#define floatx_add floatx80_add +#define floatx_mul floatx80_mul +#define floatx_sub floatx80_sub #define floatx_abs floatx80_abs #define floatx_chs floatx80_chs #define floatx_round_to_int floatx80_round_to_int @@ -126,6 +129,9 @@ static inline void svm_check_intercept(uint32_t type) #define float64_to_floatx(x, e) (x) #define floatx_to_float32 float64_to_float32 #define floatx_to_float64(x, e) (x) +#define floatx_add float64_add +#define floatx_mul float64_mul +#define floatx_sub float64_sub #define floatx_abs float64_abs #define floatx_chs float64_chs #define floatx_round_to_int float64_round_to_int diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c index 43fbd0c..a73427f 100644 --- a/target-i386/op_helper.c +++ b/target-i386/op_helper.c @@ -3711,22 +3711,22 @@ void helper_fucomi_ST0_FT0(void) void helper_fadd_ST0_FT0(void) { - ST0 += FT0; + ST0 = floatx_add(ST0, FT0, &env->fp_status); } void helper_fmul_ST0_FT0(void) { - ST0 *= FT0; + ST0 = floatx_mul(ST0, FT0, &env->fp_status); } void helper_fsub_ST0_FT0(void) { - ST0 -= FT0; + ST0 = floatx_sub(ST0, FT0, &env->fp_status); } void helper_fsubr_ST0_FT0(void) { - ST0 = FT0 - ST0; + ST0 = floatx_sub(FT0, ST0, &env->fp_status); } void helper_fdiv_ST0_FT0(void) @@ -3743,24 +3743,22 @@ void helper_fdivr_ST0_FT0(void) void helper_fadd_STN_ST0(int st_index) { - ST(st_index) += ST0; + ST(st_index) = floatx_add(ST(st_index), ST0, &env->fp_status); } void helper_fmul_STN_ST0(int st_index) { - ST(st_index) *= ST0; + ST(st_index) = floatx_mul(ST(st_index), ST0, &env->fp_status); } void helper_fsub_STN_ST0(int st_index) { - ST(st_index) -= ST0; + ST(st_index) = floatx_sub(ST(st_index), ST0, &env->fp_status); } void helper_fsubr_STN_ST0(int st_index) { - CPU86_LDouble *p; - p = &ST(st_index); - *p = ST0 - *p; + ST(st_index) = floatx_sub(ST0, ST(st_index), &env->fp_status); } void helper_fdiv_STN_ST0(int st_index) |