diff options
Diffstat (limited to 'target-i386/cc_helper.c')
| -rw-r--r-- | target-i386/cc_helper.c | 217 |
1 files changed, 86 insertions, 131 deletions
diff --git a/target-i386/cc_helper.c b/target-i386/cc_helper.c index 9422003f24..61427ddeac 100644 --- a/target-i386/cc_helper.c +++ b/target-i386/cc_helper.c @@ -75,125 +75,108 @@ const uint8_t parity_table[256] = { #endif -static int compute_all_eflags(CPUX86State *env) -{ - return CC_SRC; -} - -static int compute_c_eflags(CPUX86State *env) -{ - return CC_SRC & CC_C; -} - uint32_t helper_cc_compute_all(CPUX86State *env, int op) { + target_ulong dst = CC_DST, src1 = CC_SRC; + switch (op) { default: /* should never happen */ return 0; case CC_OP_EFLAGS: - return compute_all_eflags(env); + return src1; case CC_OP_MULB: - return compute_all_mulb(env); + return compute_all_mulb(dst, src1); case CC_OP_MULW: - return compute_all_mulw(env); + return compute_all_mulw(dst, src1); case CC_OP_MULL: - return compute_all_mull(env); + return compute_all_mull(dst, src1); case CC_OP_ADDB: - return compute_all_addb(env); + return compute_all_addb(dst, src1); case CC_OP_ADDW: - return compute_all_addw(env); + return compute_all_addw(dst, src1); case CC_OP_ADDL: - return compute_all_addl(env); + return compute_all_addl(dst, src1); case CC_OP_ADCB: - return compute_all_adcb(env); + return compute_all_adcb(dst, src1); case CC_OP_ADCW: - return compute_all_adcw(env); + return compute_all_adcw(dst, src1); case CC_OP_ADCL: - return compute_all_adcl(env); + return compute_all_adcl(dst, src1); case CC_OP_SUBB: - return compute_all_subb(env); + return compute_all_subb(dst, src1); case CC_OP_SUBW: - return compute_all_subw(env); + return compute_all_subw(dst, src1); case CC_OP_SUBL: - return compute_all_subl(env); + return compute_all_subl(dst, src1); case CC_OP_SBBB: - return compute_all_sbbb(env); + return compute_all_sbbb(dst, src1); case CC_OP_SBBW: - return compute_all_sbbw(env); + return compute_all_sbbw(dst, src1); case CC_OP_SBBL: - return compute_all_sbbl(env); + return compute_all_sbbl(dst, src1); case CC_OP_LOGICB: - return compute_all_logicb(env); + return compute_all_logicb(dst, src1); case CC_OP_LOGICW: - return compute_all_logicw(env); + return compute_all_logicw(dst, src1); case CC_OP_LOGICL: - return compute_all_logicl(env); + return compute_all_logicl(dst, src1); case CC_OP_INCB: - return compute_all_incb(env); + return compute_all_incb(dst, src1); case CC_OP_INCW: - return compute_all_incw(env); + return compute_all_incw(dst, src1); case CC_OP_INCL: - return compute_all_incl(env); + return compute_all_incl(dst, src1); case CC_OP_DECB: - return compute_all_decb(env); + return compute_all_decb(dst, src1); case CC_OP_DECW: - return compute_all_decw(env); + return compute_all_decw(dst, src1); case CC_OP_DECL: - return compute_all_decl(env); + return compute_all_decl(dst, src1); case CC_OP_SHLB: - return compute_all_shlb(env); + return compute_all_shlb(dst, src1); case CC_OP_SHLW: - return compute_all_shlw(env); + return compute_all_shlw(dst, src1); case CC_OP_SHLL: - return compute_all_shll(env); + return compute_all_shll(dst, src1); case CC_OP_SARB: - return compute_all_sarb(env); + return compute_all_sarb(dst, src1); case CC_OP_SARW: - return compute_all_sarw(env); + return compute_all_sarw(dst, src1); case CC_OP_SARL: - return compute_all_sarl(env); + return compute_all_sarl(dst, src1); #ifdef TARGET_X86_64 case CC_OP_MULQ: - return compute_all_mulq(env); - + return compute_all_mulq(dst, src1); case CC_OP_ADDQ: - return compute_all_addq(env); - + return compute_all_addq(dst, src1); case CC_OP_ADCQ: - return compute_all_adcq(env); - + return compute_all_adcq(dst, src1); case CC_OP_SUBQ: - return compute_all_subq(env); - + return compute_all_subq(dst, src1); case CC_OP_SBBQ: - return compute_all_sbbq(env); - + return compute_all_sbbq(dst, src1); case CC_OP_LOGICQ: - return compute_all_logicq(env); - + return compute_all_logicq(dst, src1); case CC_OP_INCQ: - return compute_all_incq(env); - + return compute_all_incq(dst, src1); case CC_OP_DECQ: - return compute_all_decq(env); - + return compute_all_decq(dst, src1); case CC_OP_SHLQ: - return compute_all_shlq(env); - + return compute_all_shlq(dst, src1); case CC_OP_SARQ: - return compute_all_sarq(env); + return compute_all_sarq(dst, src1); #endif } } @@ -205,113 +188,85 @@ uint32_t cpu_cc_compute_all(CPUX86State *env, int op) uint32_t helper_cc_compute_c(CPUX86State *env, int op) { + target_ulong dst = CC_DST, src1 = CC_SRC; + switch (op) { default: /* should never happen */ + case CC_OP_LOGICB: + case CC_OP_LOGICW: + case CC_OP_LOGICL: + case CC_OP_LOGICQ: return 0; case CC_OP_EFLAGS: - return compute_c_eflags(env); + case CC_OP_SARB: + case CC_OP_SARW: + case CC_OP_SARL: + case CC_OP_SARQ: + return src1 & 1; + + case CC_OP_INCB: + case CC_OP_INCW: + case CC_OP_INCL: + case CC_OP_INCQ: + case CC_OP_DECB: + case CC_OP_DECW: + case CC_OP_DECL: + case CC_OP_DECQ: + return src1; case CC_OP_MULB: - return compute_c_mull(env); case CC_OP_MULW: - return compute_c_mull(env); case CC_OP_MULL: - return compute_c_mull(env); + case CC_OP_MULQ: + return src1 != 0; case CC_OP_ADDB: - return compute_c_addb(env); + return compute_c_addb(dst, src1); case CC_OP_ADDW: - return compute_c_addw(env); + return compute_c_addw(dst, src1); case CC_OP_ADDL: - return compute_c_addl(env); + return compute_c_addl(dst, src1); case CC_OP_ADCB: - return compute_c_adcb(env); + return compute_c_adcb(dst, src1); case CC_OP_ADCW: - return compute_c_adcw(env); + return compute_c_adcw(dst, src1); case CC_OP_ADCL: - return compute_c_adcl(env); + return compute_c_adcl(dst, src1); case CC_OP_SUBB: - return compute_c_subb(env); + return compute_c_subb(dst, src1); case CC_OP_SUBW: - return compute_c_subw(env); + return compute_c_subw(dst, src1); case CC_OP_SUBL: - return compute_c_subl(env); + return compute_c_subl(dst, src1); case CC_OP_SBBB: - return compute_c_sbbb(env); + return compute_c_sbbb(dst, src1); case CC_OP_SBBW: - return compute_c_sbbw(env); + return compute_c_sbbw(dst, src1); case CC_OP_SBBL: - return compute_c_sbbl(env); - - case CC_OP_LOGICB: - return compute_c_logicb(); - case CC_OP_LOGICW: - return compute_c_logicw(); - case CC_OP_LOGICL: - return compute_c_logicl(); - - case CC_OP_INCB: - return compute_c_incl(env); - case CC_OP_INCW: - return compute_c_incl(env); - case CC_OP_INCL: - return compute_c_incl(env); - - case CC_OP_DECB: - return compute_c_incl(env); - case CC_OP_DECW: - return compute_c_incl(env); - case CC_OP_DECL: - return compute_c_incl(env); + return compute_c_sbbl(dst, src1); case CC_OP_SHLB: - return compute_c_shlb(env); + return compute_c_shlb(dst, src1); case CC_OP_SHLW: - return compute_c_shlw(env); + return compute_c_shlw(dst, src1); case CC_OP_SHLL: - return compute_c_shll(env); - - case CC_OP_SARB: - return compute_c_sarl(env); - case CC_OP_SARW: - return compute_c_sarl(env); - case CC_OP_SARL: - return compute_c_sarl(env); + return compute_c_shll(dst, src1); #ifdef TARGET_X86_64 - case CC_OP_MULQ: - return compute_c_mull(env); - case CC_OP_ADDQ: - return compute_c_addq(env); - + return compute_c_addq(dst, src1); case CC_OP_ADCQ: - return compute_c_adcq(env); - + return compute_c_adcq(dst, src1); case CC_OP_SUBQ: - return compute_c_subq(env); - + return compute_c_subq(dst, src1); case CC_OP_SBBQ: - return compute_c_sbbq(env); - - case CC_OP_LOGICQ: - return compute_c_logicq(); - - case CC_OP_INCQ: - return compute_c_incl(env); - - case CC_OP_DECQ: - return compute_c_incl(env); - + return compute_c_sbbq(dst, src1); case CC_OP_SHLQ: - return compute_c_shlq(env); - - case CC_OP_SARQ: - return compute_c_sarl(env); + return compute_c_shlq(dst, src1); #endif } } |