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authorLaurent Vivier <laurent@vivier.eu>2017-06-12 01:16:28 +0200
committerLaurent Vivier <laurent@vivier.eu>2017-06-15 09:16:16 +0200
commitc88f8107b14456d514b00571b0675cb532e82cad (patch)
tree7bfd220ae1d678c397cb8b7fc1fa3e5f3f1b4055 /target/m68k
parente5b0cbe8e8744b57faf0c62d023525cd466f5ab8 (diff)
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target-m68k: move FPU helpers to fpu_helper.c
Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <rth@twiddle.net> Message-Id: <20170611231633.32582-3-laurent@vivier.eu>
Diffstat (limited to 'target/m68k')
-rw-r--r--target/m68k/Makefile.objs2
-rw-r--r--target/m68k/fpu_helper.c112
-rw-r--r--target/m68k/helper.c88
3 files changed, 113 insertions, 89 deletions
diff --git a/target/m68k/Makefile.objs b/target/m68k/Makefile.objs
index 02cf616..39141ab 100644
--- a/target/m68k/Makefile.objs
+++ b/target/m68k/Makefile.objs
@@ -1,3 +1,3 @@
obj-y += m68k-semi.o
-obj-y += translate.o op_helper.o helper.o cpu.o
+obj-y += translate.o op_helper.o helper.o cpu.o fpu_helper.o
obj-y += gdbstub.o
diff --git a/target/m68k/fpu_helper.c b/target/m68k/fpu_helper.c
new file mode 100644
index 0000000..5bf2576
--- /dev/null
+++ b/target/m68k/fpu_helper.c
@@ -0,0 +1,112 @@
+/*
+ * m68k FPU helpers
+ *
+ * Copyright (c) 2006-2007 CodeSourcery
+ * Written by Paul Brook
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "cpu.h"
+#include "exec/helper-proto.h"
+
+uint32_t HELPER(f64_to_i32)(CPUM68KState *env, float64 val)
+{
+ return float64_to_int32(val, &env->fp_status);
+}
+
+float32 HELPER(f64_to_f32)(CPUM68KState *env, float64 val)
+{
+ return float64_to_float32(val, &env->fp_status);
+}
+
+float64 HELPER(i32_to_f64)(CPUM68KState *env, uint32_t val)
+{
+ return int32_to_float64(val, &env->fp_status);
+}
+
+float64 HELPER(f32_to_f64)(CPUM68KState *env, float32 val)
+{
+ return float32_to_float64(val, &env->fp_status);
+}
+
+float64 HELPER(iround_f64)(CPUM68KState *env, float64 val)
+{
+ return float64_round_to_int(val, &env->fp_status);
+}
+
+float64 HELPER(itrunc_f64)(CPUM68KState *env, float64 val)
+{
+ return float64_trunc_to_int(val, &env->fp_status);
+}
+
+float64 HELPER(sqrt_f64)(CPUM68KState *env, float64 val)
+{
+ return float64_sqrt(val, &env->fp_status);
+}
+
+float64 HELPER(abs_f64)(float64 val)
+{
+ return float64_abs(val);
+}
+
+float64 HELPER(chs_f64)(float64 val)
+{
+ return float64_chs(val);
+}
+
+float64 HELPER(add_f64)(CPUM68KState *env, float64 a, float64 b)
+{
+ return float64_add(a, b, &env->fp_status);
+}
+
+float64 HELPER(sub_f64)(CPUM68KState *env, float64 a, float64 b)
+{
+ return float64_sub(a, b, &env->fp_status);
+}
+
+float64 HELPER(mul_f64)(CPUM68KState *env, float64 a, float64 b)
+{
+ return float64_mul(a, b, &env->fp_status);
+}
+
+float64 HELPER(div_f64)(CPUM68KState *env, float64 a, float64 b)
+{
+ return float64_div(a, b, &env->fp_status);
+}
+
+float64 HELPER(sub_cmp_f64)(CPUM68KState *env, float64 a, float64 b)
+{
+ /* ??? This may incorrectly raise exceptions. */
+ /* ??? Should flush denormals to zero. */
+ float64 res;
+ res = float64_sub(a, b, &env->fp_status);
+ if (float64_is_quiet_nan(res, &env->fp_status)) {
+ /* +/-inf compares equal against itself, but sub returns nan. */
+ if (!float64_is_quiet_nan(a, &env->fp_status)
+ && !float64_is_quiet_nan(b, &env->fp_status)) {
+ res = float64_zero;
+ if (float64_lt_quiet(a, res, &env->fp_status)) {
+ res = float64_chs(res);
+ }
+ }
+ }
+ return res;
+}
+
+uint32_t HELPER(compare_f64)(CPUM68KState *env, float64 val)
+{
+ return float64_compare_quiet(val, float64_zero, &env->fp_status);
+}
diff --git a/target/m68k/helper.c b/target/m68k/helper.c
index f750d3d..5ca9911 100644
--- a/target/m68k/helper.c
+++ b/target/m68k/helper.c
@@ -284,94 +284,6 @@ void HELPER(set_sr)(CPUM68KState *env, uint32_t val)
m68k_switch_sp(env);
}
-/* FPU helpers. */
-uint32_t HELPER(f64_to_i32)(CPUM68KState *env, float64 val)
-{
- return float64_to_int32(val, &env->fp_status);
-}
-
-float32 HELPER(f64_to_f32)(CPUM68KState *env, float64 val)
-{
- return float64_to_float32(val, &env->fp_status);
-}
-
-float64 HELPER(i32_to_f64)(CPUM68KState *env, uint32_t val)
-{
- return int32_to_float64(val, &env->fp_status);
-}
-
-float64 HELPER(f32_to_f64)(CPUM68KState *env, float32 val)
-{
- return float32_to_float64(val, &env->fp_status);
-}
-
-float64 HELPER(iround_f64)(CPUM68KState *env, float64 val)
-{
- return float64_round_to_int(val, &env->fp_status);
-}
-
-float64 HELPER(itrunc_f64)(CPUM68KState *env, float64 val)
-{
- return float64_trunc_to_int(val, &env->fp_status);
-}
-
-float64 HELPER(sqrt_f64)(CPUM68KState *env, float64 val)
-{
- return float64_sqrt(val, &env->fp_status);
-}
-
-float64 HELPER(abs_f64)(float64 val)
-{
- return float64_abs(val);
-}
-
-float64 HELPER(chs_f64)(float64 val)
-{
- return float64_chs(val);
-}
-
-float64 HELPER(add_f64)(CPUM68KState *env, float64 a, float64 b)
-{
- return float64_add(a, b, &env->fp_status);
-}
-
-float64 HELPER(sub_f64)(CPUM68KState *env, float64 a, float64 b)
-{
- return float64_sub(a, b, &env->fp_status);
-}
-
-float64 HELPER(mul_f64)(CPUM68KState *env, float64 a, float64 b)
-{
- return float64_mul(a, b, &env->fp_status);
-}
-
-float64 HELPER(div_f64)(CPUM68KState *env, float64 a, float64 b)
-{
- return float64_div(a, b, &env->fp_status);
-}
-
-float64 HELPER(sub_cmp_f64)(CPUM68KState *env, float64 a, float64 b)
-{
- /* ??? This may incorrectly raise exceptions. */
- /* ??? Should flush denormals to zero. */
- float64 res;
- res = float64_sub(a, b, &env->fp_status);
- if (float64_is_quiet_nan(res, &env->fp_status)) {
- /* +/-inf compares equal against itself, but sub returns nan. */
- if (!float64_is_quiet_nan(a, &env->fp_status)
- && !float64_is_quiet_nan(b, &env->fp_status)) {
- res = float64_zero;
- if (float64_lt_quiet(a, res, &env->fp_status))
- res = float64_chs(res);
- }
- }
- return res;
-}
-
-uint32_t HELPER(compare_f64)(CPUM68KState *env, float64 val)
-{
- return float64_compare_quiet(val, float64_zero, &env->fp_status);
-}
/* MAC unit. */
/* FIXME: The MAC unit implementation is a bit of a mess. Some helpers