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| author | Richard Henderson <rth@twiddle.net> | 2015-08-14 07:59:26 -0700 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2016-10-28 10:38:48 +0200 |
| commit | a665a820e5d46b1611f409fbc7a540fe1c6bf5c8 (patch) | |
| tree | e3d649650054c14133c58d7df528ca137d837737 /target-m68k/helper.c | |
| parent | beff27ab3a60d8abab4a166670ca79b3c0970005 (diff) | |
| download | qemu-a665a820e5d46b1611f409fbc7a540fe1c6bf5c8.tar.gz qemu-a665a820e5d46b1611f409fbc7a540fe1c6bf5c8.tar.bz2 qemu-a665a820e5d46b1611f409fbc7a540fe1c6bf5c8.zip | |
target-m68k: Inline addx, subx, negx
Signed-off-by: Richard Henderson <rth@twiddle.net>
And add opcodes for 680x0
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'target-m68k/helper.c')
| -rw-r--r-- | target-m68k/helper.c | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/target-m68k/helper.c b/target-m68k/helper.c index 094a7e59a9..e838638143 100644 --- a/target-m68k/helper.c +++ b/target-m68k/helper.c @@ -277,46 +277,6 @@ uint32_t HELPER(sats)(uint32_t val, uint32_t v) return val; } -uint32_t HELPER(subx_cc)(CPUM68KState *env, uint32_t op1, uint32_t op2) -{ - uint32_t res, new_x; - - if (env->cc_x) { - new_x = (op1 <= op2); - res = op1 - (op2 + 1); - } else { - new_x = (op1 < op2); - res = op1 - op2; - } - env->cc_x = new_x; - env->cc_c = new_x; - env->cc_n = res; - env->cc_z |= res; /* !Z is sticky */ - env->cc_v = (res ^ op1) & (op1 ^ op2); - - return res; -} - -uint32_t HELPER(addx_cc)(CPUM68KState *env, uint32_t op1, uint32_t op2) -{ - uint32_t res, new_x; - - if (env->cc_x) { - res = op1 + op2 + 1; - new_x = (res <= op2); - } else { - res = op1 + op2; - new_x = (res < op2); - } - env->cc_x = new_x; - env->cc_c = new_x; - env->cc_n = res; - env->cc_z |= res; /* !Z is sticky. */ - env->cc_v = (res ^ op1) & ~(op1 ^ op2); - - return res; -} - void HELPER(set_sr)(CPUM68KState *env, uint32_t val) { env->sr = val & 0xffe0; |