Support the Ssu64xl extension, which requires UXLEN to be 64.
gcc/ChangeLog:
* config/riscv/riscv-ext.def: New extension definition.
* config/riscv/riscv-ext.opt: New extension mask.
* doc/riscv-ext.texi: Document the new extension.
gcc/testsuite/ChangeLog:
* gcc.target/riscv/arch-ssu64xl.c: New test.
Signed-off-by: Jiawei <jia...@iscas.ac.cn>
---
gcc/config/riscv/riscv-ext.def | 13 +++++++++++++
gcc/config/riscv/riscv-ext.opt | 2 ++
gcc/doc/riscv-ext.texi | 4 ++++
gcc/testsuite/gcc.target/riscv/arch-ssu64xl.c | 5 +++++
4 files changed, 24 insertions(+)
create mode 100644 gcc/testsuite/gcc.target/riscv/arch-ssu64xl.c
diff --git a/gcc/config/riscv/riscv-ext.def b/gcc/config/riscv/riscv-ext.def
index 7b83d6f944d..ad2fa886948 100644
--- a/gcc/config/riscv/riscv-ext.def
+++ b/gcc/config/riscv/riscv-ext.def
@@ -1961,6 +1961,19 @@ DEFINE_RISCV_EXT(
/* BITMASK_BIT_POSITION*/ BITMASK_NOT_YET_ALLOCATED,
/* EXTRA_EXTENSION_FLAGS */ 0)
+DEFINE_RISCV_EXT(
+ /* NAME */ ssu64xl,
+ /* UPPERCASE_NAME */ SSU64XL,
+ /* FULL_NAME */ "UXLEN=64 must be supported",
+ /* 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,
/* UPPERCASE_NAME */ SUPM,
diff --git a/gcc/config/riscv/riscv-ext.opt b/gcc/config/riscv/riscv-ext.opt
index 8eb447c2dc0..9f8c5451d49 100644
--- a/gcc/config/riscv/riscv-ext.opt
+++ b/gcc/config/riscv/riscv-ext.opt
@@ -379,6 +379,8 @@ Mask(SSSTRICT) Var(riscv_ss_subext)
Mask(SSDBLTRP) Var(riscv_ss_subext)
+Mask(SSU64XL) Var(riscv_ss_subext)
+
Mask(SUPM) Var(riscv_su_subext)
Mask(SVINVAL) Var(riscv_sv_subext)
diff --git a/gcc/doc/riscv-ext.texi b/gcc/doc/riscv-ext.texi
index fd9cbef1d9d..e69a2df768d 100644
--- a/gcc/doc/riscv-ext.texi
+++ b/gcc/doc/riscv-ext.texi
@@ -582,6 +582,10 @@
@tab 1.0
@tab Double Trap Extensions
+@item ssu64xl
+@tab 1.0
+@tab UXLEN=64 must be supported
+
@item supm
@tab 1.0
@tab supm extension
diff --git a/gcc/testsuite/gcc.target/riscv/arch-ssu64xl.c
b/gcc/testsuite/gcc.target/riscv/arch-ssu64xl.c
new file mode 100644
index 00000000000..6e151c14f9b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/arch-ssu64xl.c
@@ -0,0 +1,5 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64i_ssu64xl -mabi=lp64" } */
+int foo()
+{
+}
--
2.43.0
