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qemu-e2k
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target: e2k: Add get_src{1,2}_i80 funcs.

This commit is contained in:
Denis Drakhnia 2020-12-16 14:39:07 +02:00 committed by Denis Drakhnia
parent c05dcc12d4
commit d5737b0927
1 changed files with 56 additions and 0 deletions
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56
target/e2k/translate/alc.c
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@ -3,6 +3,12 @@
#include "exec/log.h"
#include "translate.h"
typedef struct {
TCGv_i32 tag;
TCGv_i64 lo;
TCGv_i32 hi;
} Src80;
typedef struct {
TCGv_i32 tag;
TCGv_i64 value;
@ -85,6 +91,20 @@ static inline bool is_chan_0235(int c)
return is_chan_03(c) || is_chan_25(c);
}
static inline void gen_reg_i80(DisasContext *ctx, Src80 *ret, uint8_t arg)
{
TCGv_i32 t0 = tcg_temp_new_i32();
e2k_gen_reg_index(t0, arg);
ret->tag = e2k_get_temp_i32(ctx);
ret->lo = e2k_get_temp_i64(ctx);
ret->hi = e2k_get_temp_i32(ctx);
e2k_gen_reg_tag_read_i64(ret->tag, t0);
e2k_gen_reg_read_i64(ret->lo, t0);
e2k_gen_xreg_read16u_i32(ret->hi, t0);
tcg_temp_free_i32(t0);
}
static inline void gen_reg_i64(DisasContext *ctx, Src64 *ret, uint8_t arg)
{
TCGv_i32 t0 = tcg_temp_new_i32();
@ -163,6 +183,21 @@ static inline void gen_literal_i32(DisasContext *ctx, Src32 *ret, uint8_t arg)
ret->value = e2k_get_const_i32(ctx, lit);
}
static inline Src80 get_src1_i80(DisasContext *ctx, uint8_t src1)
{
Src80 ret = { 0 };
if (IS_IMM5(src1)) {
ret.tag = e2k_get_const_i32(ctx, 0);
ret.lo = e2k_get_const_i64(ctx, GET_IMM5(src1));
ret.hi = e2k_get_const_i32(ctx, 0);
} else {
gen_reg_i80(ctx, &ret, src1);
}
return ret;
}
static inline Src64 get_src1_i64(DisasContext *ctx, int chan)
{
uint8_t arg = extract32(ctx->bundle.als[chan], 16, 8);
@ -193,6 +228,27 @@ static inline Src32 get_src1_i32(DisasContext *ctx, int chan)
return ret;
}
static inline Src80 get_src2_i80(DisasContext *ctx, uint8_t src2)
{
Src80 ret = { 0 };
if (IS_IMM4(src2)) {
ret.tag = e2k_get_const_i32(ctx, 0);
ret.lo = e2k_get_const_i64(ctx, GET_IMM4(src2));
ret.hi = e2k_get_const_i32(ctx, 0);
} else if (IS_LIT(src2)) {
Src64 t = { 0 };
gen_literal_i64(ctx, &t, src2);
ret.tag = t.tag;
ret.lo = t.value;
ret.hi = e2k_get_const_i32(ctx, 0);
} else {
gen_reg_i80(ctx, &ret, src2);
}
return ret;
}
static inline Src64 get_src2_i64(DisasContext *ctx, int chan)
{
uint8_t arg = extract32(ctx->bundle.als[chan], 8, 8);