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target-alpha: Convert gen_fcmov to source/sink 

Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2014-03-19 12:44:48 -07:00
parent 76bff4f82f
commit 6580935246
1 changed files with 14 additions and 30 deletions
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44
target-alpha/translate.c
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@ -547,34 +547,18 @@ static ExitStatus gen_fbcond(DisasContext *ctx, TCGCond cond, int ra,
return gen_bcond_internal(ctx, cond, cmp_tmp, disp);
}
static void gen_fcmov(TCGCond cond, int ra, int rb, int rc)
static void gen_fcmov(DisasContext *ctx, TCGCond cond, int ra, int rb, int rc)
{
TCGv_i64 c1, z, v1;
TCGv_i64 va, vb, z;
if (unlikely(rc == 31)) {
return;
}
z = load_zero(ctx);
vb = load_fpr(ctx, rb);
va = tcg_temp_new();
gen_fold_mzero(cond, va, load_fpr(ctx, ra));
c1 = tcg_temp_new_i64();
if (unlikely(ra == 31)) {
tcg_gen_movi_i64(c1, 0);
} else {
gen_fold_mzero(cond, c1, cpu_fir[ra]);
}
if (rb == 31) {
v1 = tcg_const_i64(0);
} else {
v1 = cpu_fir[rb];
}
z = tcg_const_i64(0);
tcg_gen_movcond_i64(cond, dest_fpr(ctx, rc), va, z, vb, load_fpr(ctx, rc));
tcg_gen_movcond_i64(cond, cpu_fir[rc], c1, z, v1, cpu_fir[rc]);
tcg_temp_free_i64(z);
tcg_temp_free_i64(c1);
if (rb == 31) {
tcg_temp_free_i64(v1);
}
tcg_temp_free(va);
}
#define QUAL_RM_N 0x080 /* Round mode nearest even */
@ -2314,27 +2298,27 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
break;
case 0x02A:
/* FCMOVEQ */
gen_fcmov(TCG_COND_EQ, ra, rb, rc);
gen_fcmov(ctx, TCG_COND_EQ, ra, rb, rc);
break;
case 0x02B:
/* FCMOVNE */
gen_fcmov(TCG_COND_NE, ra, rb, rc);
gen_fcmov(ctx, TCG_COND_NE, ra, rb, rc);
break;
case 0x02C:
/* FCMOVLT */
gen_fcmov(TCG_COND_LT, ra, rb, rc);
gen_fcmov(ctx, TCG_COND_LT, ra, rb, rc);
break;
case 0x02D:
/* FCMOVGE */
gen_fcmov(TCG_COND_GE, ra, rb, rc);
gen_fcmov(ctx, TCG_COND_GE, ra, rb, rc);
break;
case 0x02E:
/* FCMOVLE */
gen_fcmov(TCG_COND_LE, ra, rb, rc);
gen_fcmov(ctx, TCG_COND_LE, ra, rb, rc);
break;
case 0x02F:
/* FCMOVGT */
gen_fcmov(TCG_COND_GT, ra, rb, rc);
gen_fcmov(ctx, TCG_COND_GT, ra, rb, rc);
break;
case 0x030:
/* CVTQL */