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target-alpha: Implement missing MVI instructions.

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Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Richard Henderson 2009-12-10 12:04:42 -08:00 • committed by Aurelien Jarno
parent 91a7593526
commit 13e4df99ce
3 changed files with 231 additions and 30 deletions
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79
target-alpha/translate.c
View file

@ -611,6 +611,30 @@ ARITH3(insqh)
ARITH3(umulh)
ARITH3(mullv)
ARITH3(mulqv)
ARITH3(minub8)
ARITH3(minsb8)
ARITH3(minuw4)
ARITH3(minsw4)
ARITH3(maxub8)
ARITH3(maxsb8)
ARITH3(maxuw4)
ARITH3(maxsw4)
ARITH3(perr)
#define MVIOP2(name) \
static inline void glue(gen_, name)(int rb, int rc) \
{ \
if (unlikely(rc == 31)) \
return; \
if (unlikely(rb == 31)) \
tcg_gen_movi_i64(cpu_ir[rc], 0); \
else \
gen_helper_ ## name (cpu_ir[rc], cpu_ir[rb]); \
}
MVIOP2(pklb)
MVIOP2(pkwb)
MVIOP2(unpkbl)
MVIOP2(unpkbw)
static inline void gen_cmp(TCGCond cond, int ra, int rb, int rc, int islit,
uint8_t lit)
@ -619,7 +643,7 @@ static inline void gen_cmp(TCGCond cond, int ra, int rb, int rc, int islit,
TCGv tmp;
if (unlikely(rc == 31))
return;
return;
l1 = gen_new_label();
l2 = gen_new_label();
@ -646,7 +670,7 @@ static inline int translate_one(DisasContext *ctx, uint32_t insn)
uint32_t palcode;
int32_t disp21, disp16, disp12;
uint16_t fn11, fn16;
uint8_t opc, ra, rb, rc, sbz, fpfn, fn7, fn2, islit;
uint8_t opc, ra, rb, rc, sbz, fpfn, fn7, fn2, islit, real_islit;
uint8_t lit;
int ret;
@ -656,7 +680,7 @@ static inline int translate_one(DisasContext *ctx, uint32_t insn)
rb = (insn >> 16) & 0x1F;
rc = insn & 0x1F;
sbz = (insn >> 13) & 0x07;
islit = (insn >> 12) & 1;
real_islit = islit = (insn >> 12) & 1;
if (rb == 31 && !islit) {
islit = 1;
lit = 0;
@ -1913,8 +1937,7 @@ static inline int translate_one(DisasContext *ctx, uint32_t insn)
/* PERR */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
/* XXX: TODO */
goto invalid_opc;
gen_perr(ra, rb, rc, islit, lit);
break;
case 0x32:
/* CTLZ */
@ -1942,85 +1965,81 @@ static inline int translate_one(DisasContext *ctx, uint32_t insn)
/* UNPKBW */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
/* XXX: TODO */
goto invalid_opc;
if (real_islit || ra != 31)
goto invalid_opc;
gen_unpkbw (rb, rc);
break;
case 0x35:
/* UNPKWL */
/* UNPKBL */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
/* XXX: TODO */
goto invalid_opc;
if (real_islit || ra != 31)
goto invalid_opc;
gen_unpkbl (rb, rc);
break;
case 0x36:
/* PKWB */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
/* XXX: TODO */
goto invalid_opc;
if (real_islit || ra != 31)
goto invalid_opc;
gen_pkwb (rb, rc);
break;
case 0x37:
/* PKLB */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
/* XXX: TODO */
goto invalid_opc;
if (real_islit || ra != 31)
goto invalid_opc;
gen_pklb (rb, rc);
break;
case 0x38:
/* MINSB8 */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
/* XXX: TODO */
goto invalid_opc;
gen_minsb8 (ra, rb, rc, islit, lit);
break;
case 0x39:
/* MINSW4 */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
/* XXX: TODO */
goto invalid_opc;
gen_minsw4 (ra, rb, rc, islit, lit);
break;
case 0x3A:
/* MINUB8 */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
/* XXX: TODO */
goto invalid_opc;
gen_minub8 (ra, rb, rc, islit, lit);
break;
case 0x3B:
/* MINUW4 */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
/* XXX: TODO */
goto invalid_opc;
gen_minuw4 (ra, rb, rc, islit, lit);
break;
case 0x3C:
/* MAXUB8 */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
/* XXX: TODO */
goto invalid_opc;
gen_maxub8 (ra, rb, rc, islit, lit);
break;
case 0x3D:
/* MAXUW4 */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
/* XXX: TODO */
goto invalid_opc;
gen_maxuw4 (ra, rb, rc, islit, lit);
break;
case 0x3E:
/* MAXSB8 */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
/* XXX: TODO */
goto invalid_opc;
gen_maxsb8 (ra, rb, rc, islit, lit);
break;
case 0x3F:
/* MAXSW4 */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
/* XXX: TODO */
goto invalid_opc;
gen_maxsw4 (ra, rb, rc, islit, lit);
break;
case 0x70:
/* FTOIT */