RISC-V: Add zicond tests

These are tests from patch 3/5 of Ziao Zeng's zicond submission.

gcc/testsuite/ChangeLog:

	* gcc.target/riscv/zicond-primitiveSemantics_return_0_imm.c: New test.
	* gcc.target/riscv/zicond-primitiveSemantics_return_imm_imm.c: New test.
	* gcc.target/riscv/zicond-primitiveSemantics_return_imm_reg.c: New test.
	* gcc.target/riscv/zicond-primitiveSemantics_return_reg_reg.c: New test.

Co-Authored-By: Jeff Law  <jlaw@ventanamicro.com>

4 files changed, 268 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.target/riscv/zicond-primitiveSemantics_return_0_imm.c b/gcc/testsuite/gcc.target/riscv/zicond-primitiveSemantics_return_0_imm.c
new file mode 100644
index 0000000..76773d32
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/zicond-primitiveSemantics_return_0_imm.c
@@ -0,0 +1,65 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gc_zicond -mabi=lp64d" { target { rv64 } } } */
+/* { dg-options "-march=rv32gc_zicond -mabi=ilp32f" { target { rv32 } } } */
+/* { dg-skip-if "" { *-*-* } {"-O0" "-Os" "-Og" "-Oz"} } */
+
+long primitiveSemantics_return_0_imm_00(long a, long b) {
+  return a == 0 ? 0 : 3;
+}
+
+long primitiveSemantics_return_0_imm_01(long a, long b) {
+  return a != 0 ? 0 : 3;
+}
+
+long primitiveSemantics_return_0_imm_02(long a, long b) {
+  return a == 0 ? 3 : 0;
+}
+
+long primitiveSemantics_return_0_imm_03(long a, long b) {
+  return a != 0 ? 3 : 0;
+}
+
+long primitiveSemantics_return_0_imm_04(long a, long b) {
+  if (a)
+    b = 0;
+  else
+    b = 3;
+  return b;
+}
+
+long primitiveSemantics_return_0_imm_05(long a, long b) {
+  if (!a)
+    b = 0;
+  else
+    b = 3;
+  return b;
+}
+
+int primitiveSemantics_return_0_imm_06(int a, int b) { return a == 0 ? 0 : 3; }
+
+int primitiveSemantics_return_0_imm_07(int a, int b) { return a != 0 ? 0 : 3; }
+
+int primitiveSemantics_return_0_imm_08(int a, int b) { return a == 0 ? 3 : 0; }
+
+int primitiveSemantics_return_0_imm_09(int a, int b) { return a != 0 ? 3 : 0; }
+
+int primitiveSemantics_return_0_imm_10(int a, int b) {
+  if (a)
+    b = 0;
+  else
+    b = 3;
+  return b;
+}
+
+int primitiveSemantics_return_0_imm_11(int a, int b) {
+  if (!a)
+    b = 0;
+  else
+    b = 3;
+  return b;
+}
+
+/* { dg-final { scan-assembler-times "czero.eqz" 6 } } */
+/* { dg-final { scan-assembler-times "czero.nez" 6 } } */
+/* { dg-final { scan-assembler-not "beq" } } */
+/* { dg-final { scan-assembler-not "bne" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/zicond-primitiveSemantics_return_imm_imm.c b/gcc/testsuite/gcc.target/riscv/zicond-primitiveSemantics_return_imm_imm.c
new file mode 100644
index 0000000..2b4ee95
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/zicond-primitiveSemantics_return_imm_imm.c
@@ -0,0 +1,73 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gc_zicond -mabi=lp64d" { target { rv64 } } } */
+/* { dg-options "-march=rv32gc_zicond -mabi=ilp32f" { target { rv32 } } } */
+/* { dg-skip-if "" { *-*-* } {"-O0" "-Os" "-Og" "-Oz"} } */
+
+long primitiveSemantics_return_imm_imm_00(long a, long b) {
+  return a == 0 ? 4 : 6;
+}
+
+long primitiveSemantics_return_imm_imm_01(long a, long b) {
+  return a != 0 ? 4 : 6;
+}
+
+long primitiveSemantics_return_imm_imm_02(long a, long b) {
+  return a == 0 ? 6 : 4;
+}
+
+long primitiveSemantics_return_imm_imm_03(long a, long b) {
+  return a != 0 ? 6 : 4;
+}
+
+long primitiveSemantics_return_imm_imm_04(long a, long b) {
+  if (a)
+    b = 4;
+  else
+    b = 6;
+  return b;
+}
+
+long primitiveSemantics_return_imm_imm_05(long a, long b) {
+  if (!a)
+    b = 4;
+  else
+    b = 6;
+  return b;
+}
+
+int primitiveSemantics_return_imm_imm_06(int a, int b) {
+  return a == 0 ? 4 : 6;
+}
+
+int primitiveSemantics_return_imm_imm_07(int a, int b) {
+  return a != 0 ? 4 : 6;
+}
+
+int primitiveSemantics_return_imm_imm_08(int a, int b) {
+  return a == 0 ? 6 : 4;
+}
+
+int primitiveSemantics_return_imm_imm_09(int a, int b) {
+  return a != 0 ? 6 : 4;
+}
+
+int primitiveSemantics_return_imm_imm_10(int a, int b) {
+  if (a)
+    b = 4;
+  else
+    b = 6;
+  return b;
+}
+
+int primitiveSemantics_return_imm_imm_11(int a, int b) {
+  if (!a)
+    b = 4;
+  else
+    b = 6;
+  return b;
+}
+
+/* { dg-final { scan-assembler-times "czero.eqz" 6 } } */
+/* { dg-final { scan-assembler-times "czero.nez" 6 } } */
+/* { dg-final { scan-assembler-not "beq" } } */
+/* { dg-final { scan-assembler-not "bne" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/zicond-primitiveSemantics_return_imm_reg.c b/gcc/testsuite/gcc.target/riscv/zicond-primitiveSemantics_return_imm_reg.c
new file mode 100644
index 0000000..4a96560
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/zicond-primitiveSemantics_return_imm_reg.c
@@ -0,0 +1,65 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gc_zicond -mabi=lp64d" { target { rv64 } } } */
+/* { dg-options "-march=rv32gc_zicond -mabi=ilp32f" { target { rv32 } } } */
+/* { dg-skip-if "" { *-*-* } {"-O0" "-Os" "-Og" "-Oz"} } */
+
+long primitiveSemantics_return_imm_reg_00(long a, long b) {
+  return a == 0 ? 1 : b;
+}
+
+long primitiveSemantics_return_imm_reg_01(long a, long b) {
+  return a != 0 ? 1 : b;
+}
+
+long primitiveSemantics_return_imm_reg_02(long a, long b) {
+  return a == 0 ? b : 1;
+}
+
+long primitiveSemantics_return_imm_reg_03(long a, long b) {
+  return a != 0 ? b : 1;
+}
+
+long primitiveSemantics_return_imm_reg_04(long a, long b) {
+  if (a)
+    b = 1;
+  return b;
+}
+
+long primitiveSemantics_return_imm_reg_05(long a, long b) {
+  if (!a)
+    b = 1;
+  return b;
+}
+
+int primitiveSemantics_return_imm_reg_06(int a, int b) {
+  return a == 0 ? 1 : b;
+}
+
+int primitiveSemantics_return_imm_reg_07(int a, int b) {
+  return a != 0 ? 1 : b;
+}
+
+int primitiveSemantics_return_imm_reg_08(int a, int b) {
+  return a == 0 ? b : 1;
+}
+
+int primitiveSemantics_return_imm_reg_09(int a, int b) {
+  return a != 0 ? b : 1;
+}
+
+int primitiveSemantics_return_imm_reg_10(int a, int b) {
+  if (a)
+    b = 1;
+  return b;
+}
+
+int primitiveSemantics_return_imm_reg_11(int a, int b) {
+  if (!a)
+    b = 1;
+  return b;
+}
+
+/* { dg-final { scan-assembler-times "czero.eqz" 6 } } */
+/* { dg-final { scan-assembler-times "czero.nez" 6 } } */
+/* { dg-final { scan-assembler-not "beq" } } */
+/* { dg-final { scan-assembler-not "bne" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/zicond-primitiveSemantics_return_reg_reg.c b/gcc/testsuite/gcc.target/riscv/zicond-primitiveSemantics_return_reg_reg.c
new file mode 100644
index 0000000..0624b6f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/zicond-primitiveSemantics_return_reg_reg.c
@@ -0,0 +1,65 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gc_zicond -mabi=lp64d" { target { rv64 } } } */
+/* { dg-options "-march=rv32gc_zicond -mabi=ilp32f" { target { rv32 } } } */
+/* { dg-skip-if "" { *-*-* } {"-O0" "-Os" "-Og" "-Oz"} } */
+
+long primitiveSemantics_return_reg_reg_00(long a, long b, long c) {
+  return a == 0 ? c : b;
+}
+
+long primitiveSemantics_return_reg_reg_01(long a, long b, long c) {
+  return a != 0 ? c : b;
+}
+
+long primitiveSemantics_return_reg_reg_02(long a, long b, long c) {
+  return a == 0 ? b : c;
+}
+
+long primitiveSemantics_return_reg_reg_03(long a, long b, long c) {
+  return a != 0 ? b : c;
+}
+
+long primitiveSemantics_return_reg_reg_04(long a, long b, long c) {
+  if (a)
+    b = c;
+  return b;
+}
+
+long primitiveSemantics_return_reg_reg_05(long a, long b, long c) {
+  if (!a)
+    b = c;
+  return b;
+}
+
+int primitiveSemantics_return_reg_reg_06(int a, int b, int c) {
+  return a == 0 ? c : b;
+}
+
+int primitiveSemantics_return_reg_reg_07(int a, int b, int c) {
+  return a != 0 ? c : b;
+}
+
+int primitiveSemantics_return_reg_reg_08(int a, int b, int c) {
+  return a == 0 ? b : c;
+}
+
+int primitiveSemantics_return_reg_reg_09(int a, int b, int c) {
+  return a != 0 ? b : c;
+}
+
+int primitiveSemantics_return_reg_reg_10(int a, int b, int c) {
+  if (a)
+    b = c;
+  return b;
+}
+
+int primitiveSemantics_return_reg_reg_11(int a, int b, int c) {
+  if (!a)
+    b = c;
+  return b;
+}
+
+/* { dg-final { scan-assembler-times "czero.eqz" 12 } } */
+/* { dg-final { scan-assembler-times "czero.nez" 12 } } */
+/* { dg-final { scan-assembler-not "beq" } } */
+/* { dg-final { scan-assembler-not "bne" } } */