From a665a820e5d46b1611f409fbc7a540fe1c6bf5c8 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Fri, 14 Aug 2015 07:59:26 -0700 Subject: target-m68k: Inline addx, subx, negx Signed-off-by: Richard Henderson And add opcodes for 680x0 Signed-off-by: Laurent Vivier --- target-m68k/helper.c | 40 ---------------------------------------- 1 file changed, 40 deletions(-) (limited to 'target-m68k/helper.c') 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; -- cgit v1.2.3