Hexagon (tests/tcg/hexagon) Add v73 scalar tests

Tests added for the following instructions
    J2_callrh
    J2_jumprh

Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Message-Id: <20230427224057.3766963-10-tsimpson@quicinc.com>

tests/tcg/hexagon/Makefile.target

@@ -79,6 +79,7 @@ HEX_TESTS += test_vspliceb
 HEX_TESTS += v68_scalar
 HEX_TESTS += v68_hvx
 HEX_TESTS += v69_hvx
+HEX_TESTS += v73_scalar
 
 TESTS += $(HEX_TESTS)
 
@@ -98,6 +99,7 @@ v68_hvx: v68_hvx.c hvx_misc.h v6mpy_ref.c.inc
 v68_hvx: CFLAGS += -mhvx -Wno-unused-function
 v69_hvx: v69_hvx.c hvx_misc.h
 v69_hvx: CFLAGS += -mhvx -Wno-unused-function
+v73_scalar: CFLAGS += -Wno-unused-function
 
 hvx_histogram: hvx_histogram.c hvx_histogram_row.S
 	$(CC) $(CFLAGS) $(CROSS_CC_GUEST_CFLAGS) $^ -o $@ $(LDFLAGS)

tests/tcg/hexagon/v73_scalar.c

@@ -0,0 +1,96 @@
+/*
+ *  Copyright(c) 2023 Qualcomm Innovation Center, Inc. All Rights Reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program 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 General Public License
+ *  along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+/*
+ *  Test the scalar core instructions that are new in v73
+ */
+
+int err;
+
+static void __check32(int line, uint32_t result, uint32_t expect)
+{
+    if (result != expect) {
+        printf("ERROR at line %d: 0x%08x != 0x%08x\n",
+               line, result, expect);
+        err++;
+    }
+}
+
+#define check32(RES, EXP) __check32(__LINE__, RES, EXP)
+
+static void __check64(int line, uint64_t result, uint64_t expect)
+{
+    if (result != expect) {
+        printf("ERROR at line %d: 0x%016llx != 0x%016llx\n",
+               line, result, expect);
+        err++;
+    }
+}
+
+#define check64(RES, EXP) __check64(__LINE__, RES, EXP)
+
+static bool my_func_called;
+
+static void my_func(void)
+{
+    my_func_called = true;
+}
+
+static inline void callrh(void *func)
+{
+    asm volatile("callrh %0\n\t"
+                 : : "r"(func)
+                 /* Mark the caller-save registers as clobbered */
+                 : "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9",
+                   "r10", "r11", "r12", "r13", "r14", "r15", "r28",
+                   "p0", "p1", "p2", "p3");
+}
+
+static void test_callrh(void)
+{
+    my_func_called = false;
+    callrh(&my_func);
+    check32(my_func_called, true);
+}
+
+static void test_jumprh(void)
+{
+    uint32_t res;
+    asm ("%0 = #5\n\t"
+         "r0 = ##1f\n\t"
+         "jumprh r0\n\t"
+         "%0 = #3\n\t"
+         "jump 2f\n\t"
+         "1:\n\t"
+         "%0 = #1\n\t"
+         "2:\n\t"
+         : "=r"(res) : : "r0");
+    check32(res, 1);
+}
+
+int main()
+{
+    test_callrh();
+    test_jumprh();
+
+    puts(err ? "FAIL" : "PASS");
+    return err ? 1 : 0;
+}