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Diffstat (limited to 'target-alpha/translate.c')
-rw-r--r--target-alpha/translate.c97
1 files changed, 39 insertions, 58 deletions
diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index 6b2c7b206e..2ca1985be1 100644
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -51,7 +51,7 @@ static TCGv cpu_ir[31];
static TCGv cpu_pc;
/* dyngen register indexes */
-static TCGv cpu_T[3];
+static TCGv cpu_T[2];
/* register names */
static char cpu_reg_names[10*4+21*5];
@@ -74,12 +74,9 @@ static void alpha_translate_init(void)
offsetof(CPUState, t0), "T0");
cpu_T[1] = tcg_global_mem_new(TCG_TYPE_I64, TCG_AREG0,
offsetof(CPUState, t1), "T1");
- cpu_T[2] = tcg_global_mem_new(TCG_TYPE_I64, TCG_AREG0,
- offsetof(CPUState, t2), "T2");
#else
cpu_T[0] = tcg_global_reg_new(TCG_TYPE_I64, TCG_AREG1, "T0");
cpu_T[1] = tcg_global_reg_new(TCG_TYPE_I64, TCG_AREG2, "T1");
- cpu_T[2] = tcg_global_reg_new(TCG_TYPE_I64, TCG_AREG3, "T2");
#endif
p = cpu_reg_names;
@@ -367,24 +364,6 @@ static always_inline void gen_fbcond (DisasContext *ctx,
_gen_op_bcond(ctx);
}
-static always_inline void gen_arith3 (DisasContext *ctx,
- void (*gen_arith_op)(void),
- int ra, int rb, int rc,
- int islit, uint8_t lit)
-{
- if (ra != 31)
- tcg_gen_mov_i64(cpu_T[0], cpu_ir[ra]);
- else
- tcg_gen_movi_i64(cpu_T[0], 0);
- if (islit)
- tcg_gen_movi_i64(cpu_T[1], lit);
- else
- tcg_gen_mov_i64(cpu_T[1], cpu_ir[rb]);
- (*gen_arith_op)();
- if (rc != 31)
- tcg_gen_mov_i64(cpu_ir[rc], cpu_T[0]);
-}
-
static always_inline void gen_cmov (DisasContext *ctx,
TCGCond inv_cond,
int ra, int rb, int rc,
@@ -525,16 +504,10 @@ static always_inline void gen_ext_l(void (*tcg_gen_ext_i64)(TCGv t0, TCGv t1),
tcg_gen_movi_i64(cpu_ir[rc], 0);
}
-/* Code to call byte manipulation helpers, used by:
- INSWH, INSLH, INSQH, INSBL, INSWL, INSLL, INSQL,
- MSKWH, MSKLH, MSKQH, MSKBL, MSKWL, MSKLL, MSKQL,
- ZAP, ZAPNOT
-
- WARNING: it assumes that when ra31 is used, the result is 0.
-*/
-static always_inline void gen_byte_manipulation(void *helper,
- int ra, int rb, int rc,
- int islit, uint8_t lit)
+/* Code to call arith3 helpers */
+static always_inline void gen_arith3_helper(void *helper,
+ int ra, int rb, int rc,
+ int islit, uint8_t lit)
{
if (unlikely(rc == 31))
return;
@@ -546,8 +519,16 @@ static always_inline void gen_byte_manipulation(void *helper,
tcg_temp_free(tmp);
} else
tcg_gen_helper_1_2(helper, cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
- } else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ } else {
+ TCGv tmp1 = tcg_const_i64(0);
+ if (islit) {
+ TCGv tmp2 = tcg_const_i64(lit);
+ tcg_gen_helper_1_2(helper, cpu_ir[rc], tmp1, tmp2);
+ tcg_temp_free(tmp2);
+ } else
+ tcg_gen_helper_1_2(helper, cpu_ir[rc], tmp1, cpu_ir[rb]);
+ tcg_temp_free(tmp1);
+ }
}
static always_inline void gen_cmp(TCGCond cond,
@@ -791,7 +772,7 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
break;
case 0x0F:
/* CMPBGE */
- gen_arith3(ctx, &gen_op_cmpbge, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_cmpbge, ra, rb, rc, islit, lit);
break;
case 0x12:
/* S8ADDL */
@@ -957,11 +938,11 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
break;
case 0x40:
/* ADDL/V */
- gen_arith3(ctx, &gen_op_addlv, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_addlv, ra, rb, rc, islit, lit);
break;
case 0x49:
/* SUBL/V */
- gen_arith3(ctx, &gen_op_sublv, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_sublv, ra, rb, rc, islit, lit);
break;
case 0x4D:
/* CMPLT */
@@ -969,11 +950,11 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
break;
case 0x60:
/* ADDQ/V */
- gen_arith3(ctx, &gen_op_addqv, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_addqv, ra, rb, rc, islit, lit);
break;
case 0x69:
/* SUBQ/V */
- gen_arith3(ctx, &gen_op_subqv, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_subqv, ra, rb, rc, islit, lit);
break;
case 0x6D:
/* CMPLE */
@@ -1138,7 +1119,7 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
switch (fn7) {
case 0x02:
/* MSKBL */
- gen_byte_manipulation(helper_mskbl, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_mskbl, ra, rb, rc, islit, lit);
break;
case 0x06:
/* EXTBL */
@@ -1146,11 +1127,11 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
break;
case 0x0B:
/* INSBL */
- gen_byte_manipulation(helper_insbl, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_insbl, ra, rb, rc, islit, lit);
break;
case 0x12:
/* MSKWL */
- gen_byte_manipulation(helper_mskwl, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_mskwl, ra, rb, rc, islit, lit);
break;
case 0x16:
/* EXTWL */
@@ -1158,11 +1139,11 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
break;
case 0x1B:
/* INSWL */
- gen_byte_manipulation(helper_inswl, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_inswl, ra, rb, rc, islit, lit);
break;
case 0x22:
/* MSKLL */
- gen_byte_manipulation(helper_mskll, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_mskll, ra, rb, rc, islit, lit);
break;
case 0x26:
/* EXTLL */
@@ -1170,19 +1151,19 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
break;
case 0x2B:
/* INSLL */
- gen_byte_manipulation(helper_insll, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_insll, ra, rb, rc, islit, lit);
break;
case 0x30:
/* ZAP */
- gen_byte_manipulation(helper_zap, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_zap, ra, rb, rc, islit, lit);
break;
case 0x31:
/* ZAPNOT */
- gen_byte_manipulation(helper_zapnot, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_zapnot, ra, rb, rc, islit, lit);
break;
case 0x32:
/* MSKQL */
- gen_byte_manipulation(helper_mskql, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_mskql, ra, rb, rc, islit, lit);
break;
case 0x34:
/* SRL */
@@ -1222,7 +1203,7 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
break;
case 0x3B:
/* INSQL */
- gen_byte_manipulation(helper_insql, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_insql, ra, rb, rc, islit, lit);
break;
case 0x3C:
/* SRA */
@@ -1242,11 +1223,11 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
break;
case 0x52:
/* MSKWH */
- gen_byte_manipulation(helper_mskwh, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_mskwh, ra, rb, rc, islit, lit);
break;
case 0x57:
/* INSWH */
- gen_byte_manipulation(helper_inswh, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_inswh, ra, rb, rc, islit, lit);
break;
case 0x5A:
/* EXTWH */
@@ -1254,11 +1235,11 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
break;
case 0x62:
/* MSKLH */
- gen_byte_manipulation(helper_msklh, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_msklh, ra, rb, rc, islit, lit);
break;
case 0x67:
/* INSLH */
- gen_byte_manipulation(helper_inslh, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_inslh, ra, rb, rc, islit, lit);
break;
case 0x6A:
/* EXTLH */
@@ -1266,11 +1247,11 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
break;
case 0x72:
/* MSKQH */
- gen_byte_manipulation(helper_mskqh, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_mskqh, ra, rb, rc, islit, lit);
break;
case 0x77:
/* INSQH */
- gen_byte_manipulation(helper_insqh, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_insqh, ra, rb, rc, islit, lit);
break;
case 0x7A:
/* EXTQH */
@@ -1309,15 +1290,15 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
break;
case 0x30:
/* UMULH */
- gen_arith3(ctx, &gen_op_umulh, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_umulh, ra, rb, rc, islit, lit);
break;
case 0x40:
/* MULL/V */
- gen_arith3(ctx, &gen_op_mullv, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_mullv, ra, rb, rc, islit, lit);
break;
case 0x60:
/* MULQ/V */
- gen_arith3(ctx, &gen_op_mulqv, ra, rb, rc, islit, lit);
+ gen_arith3_helper(helper_mulqv, ra, rb, rc, islit, lit);
break;
default:
goto invalid_opc;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 04:01:59 +0000