david.venhoff/QEMU-Nyx-fork
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

target-alpha: Convert gen_ieee_input to source/sink

Browse Source 
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2014-03-19 12:23:14 -07:00
parent f477ed3c11
commit 8b0190bbde
1 changed files with 13 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
target-alpha/translate.c
View File

@ -670,21 +670,21 @@ static void gen_qual_flushzero(DisasContext *ctx, int fn11)
tcg_temp_free_i32(tmp); 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; TCGv val;
if (reg == 31) {
val = tcg_const_i64(0); if (unlikely(reg == 31)) {
val = load_zero(ctx);
} else { } else {
val = cpu_fir[reg];
if ((fn11 & QUAL_S) == 0) { if ((fn11 & QUAL_S) == 0) {
if (is_cmp) { if (is_cmp) {
gen_helper_ieee_input_cmp(cpu_env, cpu_fir[reg]); gen_helper_ieee_input_cmp(cpu_env, val);
} else { } 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; return val;
} }
@ -817,9 +817,8 @@ static void gen_ieee_arith2(DisasContext *ctx,
gen_qual_flushzero(ctx, fn11); gen_qual_flushzero(ctx, fn11);
gen_fp_exc_clear(); 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); helper(cpu_fir[rc], cpu_env, vb);
tcg_temp_free(vb);
gen_fp_exc_raise(rc, fn11); 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. */ /* No need to set flushzero, since we have an integer output. */
gen_fp_exc_clear(); 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 /* Almost all integer conversions use cropped rounding, and most
also do not have integer overflow enabled. Special case that. */ 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); ignore |= (fn11 & QUAL_I ? 0 : float_flag_inexact);
break; break;
} }
tcg_temp_free(vb);
gen_fp_exc_raise_ignore(rc, fn11, ignore); 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_qual_flushzero(ctx, fn11);
gen_fp_exc_clear(); gen_fp_exc_clear();
va = gen_ieee_input(ra, fn11, 0); va = gen_ieee_input(ctx, ra, fn11, 0);
vb = gen_ieee_input(rb, fn11, 0); vb = gen_ieee_input(ctx, rb, fn11, 0);
helper(cpu_fir[rc], cpu_env, va, vb); helper(cpu_fir[rc], cpu_env, va, vb);
tcg_temp_free(va);
tcg_temp_free(vb);
gen_fp_exc_raise(rc, fn11); gen_fp_exc_raise(rc, fn11);
} }
@ -1049,11 +1045,9 @@ static void gen_ieee_compare(DisasContext *ctx,
gen_fp_exc_clear(); gen_fp_exc_clear();
va = gen_ieee_input(ra, fn11, 1); va = gen_ieee_input(ctx, ra, fn11, 1);
vb = gen_ieee_input(rb, fn11, 1); vb = gen_ieee_input(ctx, rb, fn11, 1);
helper(cpu_fir[rc], cpu_env, va, vb); helper(cpu_fir[rc], cpu_env, va, vb);
tcg_temp_free(va);
tcg_temp_free(vb);
gen_fp_exc_raise(rc, fn11); gen_fp_exc_raise(rc, fn11);
} }