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target/s390x: Implement execution-hint insns

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Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2017-06-16 17:05:50 -07:00
parent 37b8638d43
commit 6a68acd5b7
2 changed files with 13 additions and 1 deletions
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9
target/s390x/insn-data.def
View File

@ -134,6 +134,15 @@
D(0x8500, BRXLE, RSI, Z, 0, 0, 0, 0, bx32, 0, 1)
D(0xec44, BRXHG, RIE_e, Z, 0, 0, 0, 0, bx64, 0, 0)
D(0xec45, BRXHLE, RIE_e, Z, 0, 0, 0, 0, bx64, 0, 1)
/* BRANCH PREDICTION PRELOAD */
/* ??? Format is SMI, but implemented as NOP, so we need no fields. */
C(0xc700, BPP, E, EH, 0, 0, 0, 0, 0, 0)
/* BRANCH PREDICTION RELATIVE PRELOAD */
/* ??? Format is MII, but implemented as NOP, so we need no fields. */
C(0xc500, BPRP, E, EH, 0, 0, 0, 0, 0, 0)
/* NEXT INSTRUCTION ACCESS INTENT */
/* ??? Format is IE, but implemented as NOP, so we need no fields. */
C(0xb2fa, NIAI, E, EH, 0, 0, 0, 0, 0, 0)
/* CHECKSUM */
C(0xb241, CKSM, RRE, Z, r1_o, ra2, new, r1_32, cksm, 0)

5
target/s390x/translate.c
View File

@ -5443,6 +5443,7 @@ enum DisasInsnEnum {
#define FAC_LPP S390_FEAT_SET_PROGRAM_PARAMETERS /* load-program-parameter */
#define FAC_DAT_ENH S390_FEAT_DAT_ENH
#define FAC_E2 S390_FEAT_EXTENDED_TRANSLATION_2
#define FAC_EH S390_FEAT_STFLE_49 /* execution-hint */
#define FAC_LZRB S390_FEAT_STFLE_53 /* load-and-zero-rightmost-byte */
static const DisasInsn insn_info[] = {
@ -5556,7 +5557,7 @@ static const DisasInsn *extract_insn(CPUS390XState *env, DisasContext *s,
case 0x80: /* S */
case 0x82: /* S */
case 0x93: /* S */
case 0xb2: /* S, RRF, RRE */
case 0xb2: /* S, RRF, RRE, IE */
case 0xb3: /* RRE, RRD, RRF */
case 0xb9: /* RRE, RRF */
case 0xe5: /* SSE, SIL */
@ -5572,6 +5573,8 @@ static const DisasInsn *extract_insn(CPUS390XState *env, DisasContext *s,
case 0xcc: /* RIL */
op2 = (insn << 12) >> 60;
break;
case 0xc5: /* MII */
case 0xc7: /* SMI */
case 0xd0 ... 0xdf: /* SS */
case 0xe1: /* SS */
case 0xe2: /* SS */