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-rw-r--r--Makefile.target1
-rw-r--r--target-alpha/int_helper.c257
-rw-r--r--target-alpha/op_helper.c233
3 files changed, 258 insertions, 233 deletions
diff --git a/Makefile.target b/Makefile.target
index 63cf769..ddeb7e0 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -96,6 +96,7 @@ libobj-y += cpu_init.o
endif
libobj-$(TARGET_SPARC) += int32_helper.o
libobj-$(TARGET_SPARC64) += int64_helper.o
+libobj-$(TARGET_ALPHA) += int_helper.o
libobj-y += disas.o
libobj-$(CONFIG_TCI_DIS) += tci-dis.o
diff --git a/target-alpha/int_helper.c b/target-alpha/int_helper.c
new file mode 100644
index 0000000..79c0cfe
--- /dev/null
+++ b/target-alpha/int_helper.c
@@ -0,0 +1,257 @@
+/*
+ * Helpers for integer and multimedia instructions.
+ *
+ * Copyright (c) 2007 Jocelyn Mayer
+ *
+ * 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
+ * Lesser 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 "cpu.h"
+#include "helper.h"
+#include "host-utils.h"
+
+
+uint64_t helper_umulh(uint64_t op1, uint64_t op2)
+{
+ uint64_t tl, th;
+ mulu64(&tl, &th, op1, op2);
+ return th;
+}
+
+uint64_t helper_ctpop(uint64_t arg)
+{
+ return ctpop64(arg);
+}
+
+uint64_t helper_ctlz(uint64_t arg)
+{
+ return clz64(arg);
+}
+
+uint64_t helper_cttz(uint64_t arg)
+{
+ return ctz64(arg);
+}
+
+static inline uint64_t byte_zap(uint64_t op, uint8_t mskb)
+{
+ uint64_t mask;
+
+ mask = 0;
+ mask |= ((mskb >> 0) & 1) * 0x00000000000000FFULL;
+ mask |= ((mskb >> 1) & 1) * 0x000000000000FF00ULL;
+ mask |= ((mskb >> 2) & 1) * 0x0000000000FF0000ULL;
+ mask |= ((mskb >> 3) & 1) * 0x00000000FF000000ULL;
+ mask |= ((mskb >> 4) & 1) * 0x000000FF00000000ULL;
+ mask |= ((mskb >> 5) & 1) * 0x0000FF0000000000ULL;
+ mask |= ((mskb >> 6) & 1) * 0x00FF000000000000ULL;
+ mask |= ((mskb >> 7) & 1) * 0xFF00000000000000ULL;
+
+ return op & ~mask;
+}
+
+uint64_t helper_zap(uint64_t val, uint64_t mask)
+{
+ return byte_zap(val, mask);
+}
+
+uint64_t helper_zapnot(uint64_t val, uint64_t mask)
+{
+ return byte_zap(val, ~mask);
+}
+
+uint64_t helper_cmpbge(uint64_t op1, uint64_t op2)
+{
+ uint8_t opa, opb, res;
+ int i;
+
+ res = 0;
+ for (i = 0; i < 8; i++) {
+ opa = op1 >> (i * 8);
+ opb = op2 >> (i * 8);
+ if (opa >= opb) {
+ res |= 1 << i;
+ }
+ }
+ return res;
+}
+
+uint64_t helper_minub8(uint64_t op1, uint64_t op2)
+{
+ uint64_t res = 0;
+ uint8_t opa, opb, opr;
+ int i;
+
+ for (i = 0; i < 8; ++i) {
+ opa = op1 >> (i * 8);
+ opb = op2 >> (i * 8);
+ opr = opa < opb ? opa : opb;
+ res |= (uint64_t)opr << (i * 8);
+ }
+ return res;
+}
+
+uint64_t helper_minsb8(uint64_t op1, uint64_t op2)
+{
+ uint64_t res = 0;
+ int8_t opa, opb;
+ uint8_t opr;
+ int i;
+
+ for (i = 0; i < 8; ++i) {
+ opa = op1 >> (i * 8);
+ opb = op2 >> (i * 8);
+ opr = opa < opb ? opa : opb;
+ res |= (uint64_t)opr << (i * 8);
+ }
+ return res;
+}
+
+uint64_t helper_minuw4(uint64_t op1, uint64_t op2)
+{
+ uint64_t res = 0;
+ uint16_t opa, opb, opr;
+ int i;
+
+ for (i = 0; i < 4; ++i) {
+ opa = op1 >> (i * 16);
+ opb = op2 >> (i * 16);
+ opr = opa < opb ? opa : opb;
+ res |= (uint64_t)opr << (i * 16);
+ }
+ return res;
+}
+
+uint64_t helper_minsw4(uint64_t op1, uint64_t op2)
+{
+ uint64_t res = 0;
+ int16_t opa, opb;
+ uint16_t opr;
+ int i;
+
+ for (i = 0; i < 4; ++i) {
+ opa = op1 >> (i * 16);
+ opb = op2 >> (i * 16);
+ opr = opa < opb ? opa : opb;
+ res |= (uint64_t)opr << (i * 16);
+ }
+ return res;
+}
+
+uint64_t helper_maxub8(uint64_t op1, uint64_t op2)
+{
+ uint64_t res = 0;
+ uint8_t opa, opb, opr;
+ int i;
+
+ for (i = 0; i < 8; ++i) {
+ opa = op1 >> (i * 8);
+ opb = op2 >> (i * 8);
+ opr = opa > opb ? opa : opb;
+ res |= (uint64_t)opr << (i * 8);
+ }
+ return res;
+}
+
+uint64_t helper_maxsb8(uint64_t op1, uint64_t op2)
+{
+ uint64_t res = 0;
+ int8_t opa, opb;
+ uint8_t opr;
+ int i;
+
+ for (i = 0; i < 8; ++i) {
+ opa = op1 >> (i * 8);
+ opb = op2 >> (i * 8);
+ opr = opa > opb ? opa : opb;
+ res |= (uint64_t)opr << (i * 8);
+ }
+ return res;
+}
+
+uint64_t helper_maxuw4(uint64_t op1, uint64_t op2)
+{
+ uint64_t res = 0;
+ uint16_t opa, opb, opr;
+ int i;
+
+ for (i = 0; i < 4; ++i) {
+ opa = op1 >> (i * 16);
+ opb = op2 >> (i * 16);
+ opr = opa > opb ? opa : opb;
+ res |= (uint64_t)opr << (i * 16);
+ }
+ return res;
+}
+
+uint64_t helper_maxsw4(uint64_t op1, uint64_t op2)
+{
+ uint64_t res = 0;
+ int16_t opa, opb;
+ uint16_t opr;
+ int i;
+
+ for (i = 0; i < 4; ++i) {
+ opa = op1 >> (i * 16);
+ opb = op2 >> (i * 16);
+ opr = opa > opb ? opa : opb;
+ res |= (uint64_t)opr << (i * 16);
+ }
+ return res;
+}
+
+uint64_t helper_perr(uint64_t op1, uint64_t op2)
+{
+ uint64_t res = 0;
+ uint8_t opa, opb, opr;
+ int i;
+
+ for (i = 0; i < 8; ++i) {
+ opa = op1 >> (i * 8);
+ opb = op2 >> (i * 8);
+ if (opa >= opb) {
+ opr = opa - opb;
+ } else {
+ opr = opb - opa;
+ }
+ res += opr;
+ }
+ return res;
+}
+
+uint64_t helper_pklb(uint64_t op1)
+{
+ return (op1 & 0xff) | ((op1 >> 24) & 0xff00);
+}
+
+uint64_t helper_pkwb(uint64_t op1)
+{
+ return ((op1 & 0xff)
+ | ((op1 >> 8) & 0xff00)
+ | ((op1 >> 16) & 0xff0000)
+ | ((op1 >> 24) & 0xff000000));
+}
+
+uint64_t helper_unpkbl(uint64_t op1)
+{
+ return (op1 & 0xff) | ((op1 & 0xff00) << 24);
+}
+
+uint64_t helper_unpkbw(uint64_t op1)
+{
+ return ((op1 & 0xff)
+ | ((op1 & 0xff00) << 8)
+ | ((op1 & 0xff0000) << 16)
+ | ((op1 & 0xff000000) << 24));
+}
diff --git a/target-alpha/op_helper.c b/target-alpha/op_helper.c
index c77f009..eab7a82 100644
--- a/target-alpha/op_helper.c
+++ b/target-alpha/op_helper.c
@@ -154,239 +154,6 @@ uint64_t helper_mulqv (uint64_t op1, uint64_t op2)
return tl;
}
-uint64_t helper_umulh (uint64_t op1, uint64_t op2)
-{
- uint64_t tl, th;
-
- mulu64(&tl, &th, op1, op2);
- return th;
-}
-
-uint64_t helper_ctpop (uint64_t arg)
-{
- return ctpop64(arg);
-}
-
-uint64_t helper_ctlz (uint64_t arg)
-{
- return clz64(arg);
-}
-
-uint64_t helper_cttz (uint64_t arg)
-{
- return ctz64(arg);
-}
-
-static inline uint64_t byte_zap(uint64_t op, uint8_t mskb)
-{
- uint64_t mask;
-
- mask = 0;
- mask |= ((mskb >> 0) & 1) * 0x00000000000000FFULL;
- mask |= ((mskb >> 1) & 1) * 0x000000000000FF00ULL;
- mask |= ((mskb >> 2) & 1) * 0x0000000000FF0000ULL;
- mask |= ((mskb >> 3) & 1) * 0x00000000FF000000ULL;
- mask |= ((mskb >> 4) & 1) * 0x000000FF00000000ULL;
- mask |= ((mskb >> 5) & 1) * 0x0000FF0000000000ULL;
- mask |= ((mskb >> 6) & 1) * 0x00FF000000000000ULL;
- mask |= ((mskb >> 7) & 1) * 0xFF00000000000000ULL;
-
- return op & ~mask;
-}
-
-uint64_t helper_zap(uint64_t val, uint64_t mask)
-{
- return byte_zap(val, mask);
-}
-
-uint64_t helper_zapnot(uint64_t val, uint64_t mask)
-{
- return byte_zap(val, ~mask);
-}
-
-uint64_t helper_cmpbge (uint64_t op1, uint64_t op2)
-{
- uint8_t opa, opb, res;
- int i;
-
- res = 0;
- for (i = 0; i < 8; i++) {
- opa = op1 >> (i * 8);
- opb = op2 >> (i * 8);
- if (opa >= opb)
- res |= 1 << i;
- }
- return res;
-}
-
-uint64_t helper_minub8 (uint64_t op1, uint64_t op2)
-{
- uint64_t res = 0;
- uint8_t opa, opb, opr;
- int i;
-
- for (i = 0; i < 8; ++i) {
- opa = op1 >> (i * 8);
- opb = op2 >> (i * 8);
- opr = opa < opb ? opa : opb;
- res |= (uint64_t)opr << (i * 8);
- }
- return res;
-}
-
-uint64_t helper_minsb8 (uint64_t op1, uint64_t op2)
-{
- uint64_t res = 0;
- int8_t opa, opb;
- uint8_t opr;
- int i;
-
- for (i = 0; i < 8; ++i) {
- opa = op1 >> (i * 8);
- opb = op2 >> (i * 8);
- opr = opa < opb ? opa : opb;
- res |= (uint64_t)opr << (i * 8);
- }
- return res;
-}
-
-uint64_t helper_minuw4 (uint64_t op1, uint64_t op2)
-{
- uint64_t res = 0;
- uint16_t opa, opb, opr;
- int i;
-
- for (i = 0; i < 4; ++i) {
- opa = op1 >> (i * 16);
- opb = op2 >> (i * 16);
- opr = opa < opb ? opa : opb;
- res |= (uint64_t)opr << (i * 16);
- }
- return res;
-}
-
-uint64_t helper_minsw4 (uint64_t op1, uint64_t op2)
-{
- uint64_t res = 0;
- int16_t opa, opb;
- uint16_t opr;
- int i;
-
- for (i = 0; i < 4; ++i) {
- opa = op1 >> (i * 16);
- opb = op2 >> (i * 16);
- opr = opa < opb ? opa : opb;
- res |= (uint64_t)opr << (i * 16);
- }
- return res;
-}
-
-uint64_t helper_maxub8 (uint64_t op1, uint64_t op2)
-{
- uint64_t res = 0;
- uint8_t opa, opb, opr;
- int i;
-
- for (i = 0; i < 8; ++i) {
- opa = op1 >> (i * 8);
- opb = op2 >> (i * 8);
- opr = opa > opb ? opa : opb;
- res |= (uint64_t)opr << (i * 8);
- }
- return res;
-}
-
-uint64_t helper_maxsb8 (uint64_t op1, uint64_t op2)
-{
- uint64_t res = 0;
- int8_t opa, opb;
- uint8_t opr;
- int i;
-
- for (i = 0; i < 8; ++i) {
- opa = op1 >> (i * 8);
- opb = op2 >> (i * 8);
- opr = opa > opb ? opa : opb;
- res |= (uint64_t)opr << (i * 8);
- }
- return res;
-}
-
-uint64_t helper_maxuw4 (uint64_t op1, uint64_t op2)
-{
- uint64_t res = 0;
- uint16_t opa, opb, opr;
- int i;
-
- for (i = 0; i < 4; ++i) {
- opa = op1 >> (i * 16);
- opb = op2 >> (i * 16);
- opr = opa > opb ? opa : opb;
- res |= (uint64_t)opr << (i * 16);
- }
- return res;
-}
-
-uint64_t helper_maxsw4 (uint64_t op1, uint64_t op2)
-{
- uint64_t res = 0;
- int16_t opa, opb;
- uint16_t opr;
- int i;
-
- for (i = 0; i < 4; ++i) {
- opa = op1 >> (i * 16);
- opb = op2 >> (i * 16);
- opr = opa > opb ? opa : opb;
- res |= (uint64_t)opr << (i * 16);
- }
- return res;
-}
-
-uint64_t helper_perr (uint64_t op1, uint64_t op2)
-{
- uint64_t res = 0;
- uint8_t opa, opb, opr;
- int i;
-
- for (i = 0; i < 8; ++i) {
- opa = op1 >> (i * 8);
- opb = op2 >> (i * 8);
- if (opa >= opb)
- opr = opa - opb;
- else
- opr = opb - opa;
- res += opr;
- }
- return res;
-}
-
-uint64_t helper_pklb (uint64_t op1)
-{
- return (op1 & 0xff) | ((op1 >> 24) & 0xff00);
-}
-
-uint64_t helper_pkwb (uint64_t op1)
-{
- return ((op1 & 0xff)
- | ((op1 >> 8) & 0xff00)
- | ((op1 >> 16) & 0xff0000)
- | ((op1 >> 24) & 0xff000000));
-}
-
-uint64_t helper_unpkbl (uint64_t op1)
-{
- return (op1 & 0xff) | ((op1 & 0xff00) << 24);
-}
-
-uint64_t helper_unpkbw (uint64_t op1)
-{
- return ((op1 & 0xff)
- | ((op1 & 0xff00) << 8)
- | ((op1 & 0xff0000) << 16)
- | ((op1 & 0xff000000) << 24));
-}
-
/* Floating point helpers */
void helper_setroundmode (uint32_t val)
generated by cgit v1.1 at 2024-12-23 17:58:31 +0000