diff options
| author | Richard Henderson <rth@twiddle.net> | 2013-01-23 18:17:33 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2013-02-19 23:05:18 -0800 |
| commit | cd7f97cafdd80d6bd4950ccfdcd9acb7850184b2 (patch) | |
| tree | 92ee2c5da0c290d7b1fd967c432eed58963319d7 /target-i386/cc_helper.c | |
| parent | e2c3c2c551bccd843135eab1ba202f8d2f86800b (diff) | |
target-i386: Implement ADX extension
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-i386/cc_helper.c')
| -rw-r--r-- | target-i386/cc_helper.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target-i386/cc_helper.c b/target-i386/cc_helper.c index 5ea6a0aeae..6cf57a76b3 100644 --- a/target-i386/cc_helper.c +++ b/target-i386/cc_helper.c @@ -75,6 +75,24 @@ const uint8_t parity_table[256] = { #endif +static target_ulong compute_all_adcx(target_ulong dst, target_ulong src1, + target_ulong src2) +{ + return (src1 & ~CC_C) | (dst * CC_C); +} + +static target_ulong compute_all_adox(target_ulong dst, target_ulong src1, + target_ulong src2) +{ + return (src1 & ~CC_O) | (src2 * CC_O); +} + +static target_ulong compute_all_adcox(target_ulong dst, target_ulong src1, + target_ulong src2) +{ + return (src1 & ~(CC_C | CC_O)) | (dst * CC_C) | (src2 * CC_O); +} + target_ulong helper_cc_compute_all(target_ulong dst, target_ulong src1, target_ulong src2, int op) { @@ -162,6 +180,13 @@ target_ulong helper_cc_compute_all(target_ulong dst, target_ulong src1, case CC_OP_BMILGL: return compute_all_bmilgl(dst, src1); + case CC_OP_ADCX: + return compute_all_adcx(dst, src1, src2); + case CC_OP_ADOX: + return compute_all_adox(dst, src1, src2); + case CC_OP_ADCOX: + return compute_all_adcox(dst, src1, src2); + #ifdef TARGET_X86_64 case CC_OP_MULQ: return compute_all_mulq(dst, src1); @@ -210,6 +235,7 @@ target_ulong helper_cc_compute_c(target_ulong dst, target_ulong src1, case CC_OP_SARW: case CC_OP_SARL: case CC_OP_SARQ: + case CC_OP_ADOX: return src1 & 1; case CC_OP_INCB: @@ -228,6 +254,10 @@ target_ulong helper_cc_compute_c(target_ulong dst, target_ulong src1, case CC_OP_MULQ: return src1 != 0; + case CC_OP_ADCX: + case CC_OP_ADCOX: + return dst; + case CC_OP_ADDB: return compute_c_addb(dst, src1); case CC_OP_ADDW: |