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target-alpha: Convert gen_ieee_input to source/sink 

Signed-off-by: Richard Henderson <rth@twiddle.net>
master
Richard Henderson 2014-03-19 12:23:14 -07:00
parent f477ed3c11
commit 8b0190bbde
1 changed files with 13 additions and 19 deletions
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32
target-alpha/translate.c
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@ -670,21 +670,21 @@ static void gen_qual_flushzero(DisasContext *ctx, int fn11)
tcg_temp_free_i32(tmp);
}
static TCGv gen_ieee_input(int reg, int fn11, int is_cmp)
static TCGv gen_ieee_input(DisasContext *ctx, int reg, int fn11, int is_cmp)
{
TCGv val;
if (reg == 31) {
val = tcg_const_i64(0);
if (unlikely(reg == 31)) {
val = load_zero(ctx);
} else {
val = cpu_fir[reg];
if ((fn11 & QUAL_S) == 0) {
if (is_cmp) {
gen_helper_ieee_input_cmp(cpu_env, cpu_fir[reg]);
gen_helper_ieee_input_cmp(cpu_env, val);
} else {
gen_helper_ieee_input(cpu_env, cpu_fir[reg]);
gen_helper_ieee_input(cpu_env, val);
}
}
val = tcg_temp_new();
tcg_gen_mov_i64(val, cpu_fir[reg]);
}
return val;
}
@ -817,9 +817,8 @@ static void gen_ieee_arith2(DisasContext *ctx,
gen_qual_flushzero(ctx, fn11);
gen_fp_exc_clear();
vb = gen_ieee_input(rb, fn11, 0);
vb = gen_ieee_input(ctx, rb, fn11, 0);
helper(cpu_fir[rc], cpu_env, vb);
tcg_temp_free(vb);
gen_fp_exc_raise(rc, fn11);
}
@ -848,7 +847,7 @@ static void gen_fcvttq(DisasContext *ctx, int rb, int rc, int fn11)
/* No need to set flushzero, since we have an integer output. */
gen_fp_exc_clear();
vb = gen_ieee_input(rb, fn11, 0);
vb = gen_ieee_input(ctx, rb, fn11, 0);
/* Almost all integer conversions use cropped rounding, and most
also do not have integer overflow enabled. Special case that. */
@ -870,7 +869,6 @@ static void gen_fcvttq(DisasContext *ctx, int rb, int rc, int fn11)
ignore |= (fn11 & QUAL_I ? 0 : float_flag_inexact);
break;
}
tcg_temp_free(vb);
gen_fp_exc_raise_ignore(rc, fn11, ignore);
}
@ -1011,11 +1009,9 @@ static void gen_ieee_arith3(DisasContext *ctx,
gen_qual_flushzero(ctx, fn11);
gen_fp_exc_clear();
va = gen_ieee_input(ra, fn11, 0);
vb = gen_ieee_input(rb, fn11, 0);
va = gen_ieee_input(ctx, ra, fn11, 0);
vb = gen_ieee_input(ctx, rb, fn11, 0);
helper(cpu_fir[rc], cpu_env, va, vb);
tcg_temp_free(va);
tcg_temp_free(vb);
gen_fp_exc_raise(rc, fn11);
}
@ -1049,11 +1045,9 @@ static void gen_ieee_compare(DisasContext *ctx,
gen_fp_exc_clear();
va = gen_ieee_input(ra, fn11, 1);
vb = gen_ieee_input(rb, fn11, 1);
va = gen_ieee_input(ctx, ra, fn11, 1);
vb = gen_ieee_input(ctx, rb, fn11, 1);
helper(cpu_fir[rc], cpu_env, va, vb);
tcg_temp_free(va);
tcg_temp_free(vb);
gen_fp_exc_raise(rc, fn11);
}