Add support of double trap extension [1], enabling GCC
to recognize the following extensions at compile time.
New extensions:
- ssdbltrp
- smdbltrp
[1]
https://github.com/riscv/riscv-double-trap/releases/download/v1.0/riscv-double-trap.pdf
gcc/ChangeLog:
* config/riscv/riscv-ext.def: New extensions
gcc/testsuite/ChangeLog:
* gcc/testsuite/gcc.target/riscv/arch-56.c: New test
* gcc/testsuite/gcc.target/riscv/arch-57.c: New test
Signed-off-by: Jerry Zhang Jian <[email protected]>
---
gcc/config/riscv/riscv-ext.def | 26 ++++++++++++++++++++++++
gcc/testsuite/gcc.target/riscv/arch-56.c | 6 ++++++
gcc/testsuite/gcc.target/riscv/arch-57.c | 6 ++++++
3 files changed, 38 insertions(+)
create mode 100644 gcc/testsuite/gcc.target/riscv/arch-56.c
create mode 100644 gcc/testsuite/gcc.target/riscv/arch-57.c
diff --git a/gcc/config/riscv/riscv-ext.def b/gcc/config/riscv/riscv-ext.def
index 97b576617ad..dbda8ded397 100644
--- a/gcc/config/riscv/riscv-ext.def
+++ b/gcc/config/riscv/riscv-ext.def
@@ -1727,6 +1727,19 @@ DEFINE_RISCV_EXT(
/* BITMASK_BIT_POSITION*/ BITMASK_NOT_YET_ALLOCATED,
/* EXTRA_EXTENSION_FLAGS */ 0)
+DEFINE_RISCV_EXT(
+ /* NAME */ smdbltrp,
+ /* UPPERCAE_NAME */ SMDBLTRP,
+ /* FULL_NAME */ "Double Trap Extensions",
+ /* DESC */ "",
+ /* URL */ ,
+ /* DEP_EXTS */ ({"zicsr"}),
+ /* SUPPORTED_VERSIONS */ ({{1, 0}}),
+ /* FLAG_GROUP */ sm,
+ /* BITMASK_GROUP_ID */ BITMASK_NOT_YET_ALLOCATED,
+ /* BITMASK_BIT_POSITION*/ BITMASK_NOT_YET_ALLOCATED,
+ /* EXTRA_EXTENSION_FLAGS */ 0)
+
DEFINE_RISCV_EXT(
/* NAME */ ssaia,
/* UPPERCAE_NAME */ SSAIA,
@@ -1818,6 +1831,19 @@ DEFINE_RISCV_EXT(
/* BITMASK_BIT_POSITION*/ BITMASK_NOT_YET_ALLOCATED,
/* EXTRA_EXTENSION_FLAGS */ 0)
+DEFINE_RISCV_EXT(
+ /* NAME */ ssdbltrp,
+ /* UPPERCAE_NAME */ SSDBLTRP,
+ /* FULL_NAME */ "Double Trap Extensions",
+ /* DESC */ "",
+ /* URL */ ,
+ /* DEP_EXTS */ ({"zicsr"}),
+ /* SUPPORTED_VERSIONS */ ({{1, 0}}),
+ /* FLAG_GROUP */ ss,
+ /* BITMASK_GROUP_ID */ BITMASK_NOT_YET_ALLOCATED,
+ /* BITMASK_BIT_POSITION*/ BITMASK_NOT_YET_ALLOCATED,
+ /* EXTRA_EXTENSION_FLAGS */ 0)
+
DEFINE_RISCV_EXT(
/* NAME */ supm,
/* UPPERCAE_NAME */ SUPM,
diff --git a/gcc/testsuite/gcc.target/riscv/arch-56.c
b/gcc/testsuite/gcc.target/riscv/arch-56.c
new file mode 100644
index 00000000000..88b20dfb6c8
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/arch-56.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64i_ssdbltrp -mabi=lp64d" } */
+
+void foo(){}
+
+/* { dg-final { scan-assembler ".attribute arch,
\"rv64i2p1_zicsr2p0_ssdbltrp1p0\"" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/arch-57.c
b/gcc/testsuite/gcc.target/riscv/arch-57.c
new file mode 100644
index 00000000000..42cf30a3171
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/arch-57.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64i_smdbltrp -mabi=lp64d" } */
+
+void foo(){}
+
+/* { dg-final { scan-assembler ".attribute arch,
\"rv64i2p1_zicsr2p0_smdbltrp1p0\"" } } */
--
2.49.0
