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authorRichard Henderson <rth@twiddle.net>2014-03-19 12:23:14 -0700
committerRichard Henderson <rth@twiddle.net>2014-04-17 11:47:42 -0700
commit8b0190bbde2916b47c2f157f92cdc06efacbf725 (patch)
treedcf8843104ebdde4ebb8b812f0d85657c83a84a8 /target-alpha
parentf477ed3c112f5b06263f530cd3932a34d2514502 (diff)
downloadqemu-arm-8b0190bbde2916b47c2f157f92cdc06efacbf725.tar.gz
target-alpha: Convert gen_ieee_input to source/sink
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-alpha')
-rw-r--r--target-alpha/translate.c32
1 files changed, 13 insertions, 19 deletions
diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index ef04872dda..f6ebf54be0 100644
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -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);
}