[PATCH 09/21] [crypto]: add machine description for Zksed

[siyu]

From: SiYu Wu <s...@isrc.iscas.ac.cn>

---
 gcc/common/config/riscv/riscv-common.c |  2 ++
 gcc/config/riscv/crypto.md             | 21 +++++++++++++++++++++
 gcc/config/riscv/riscv-opts.h          |  2 ++
 3 files changed, 25 insertions(+)

diff --git a/gcc/common/config/riscv/riscv-common.c 
b/gcc/common/config/riscv/riscv-common.c
index c0432c93dd3..d4d61bd765d 100644
--- a/gcc/common/config/riscv/riscv-common.c
+++ b/gcc/common/config/riscv/riscv-common.c
@@ -109,6 +109,7 @@ static const struct riscv_ext_version 
riscv_ext_version_table[] =
   {"zkne",  ISA_SPEC_CLASS_NONE, 1, 0},
   {"zknd",  ISA_SPEC_CLASS_NONE, 1, 0},
   {"zknh",  ISA_SPEC_CLASS_NONE, 1, 0},
+  {"zksed", ISA_SPEC_CLASS_NONE, 1, 0},
 
   /* Terminate the list.  */
   {NULL, ISA_SPEC_CLASS_NONE, 0, 0}
@@ -923,6 +924,7 @@ static const riscv_ext_flag_table_t riscv_ext_flag_table[] =
   {"zknd",   &gcc_options::x_riscv_zk_subext, MASK_ZKND},
   {"zkne",   &gcc_options::x_riscv_zk_subext, MASK_ZKNE},
   {"zknh",   &gcc_options::x_riscv_zk_subext, MASK_ZKNH},
+  {"zksed",  &gcc_options::x_riscv_zk_subext, MASK_ZKSED},
 
   {NULL, NULL, 0}
 };
diff --git a/gcc/config/riscv/crypto.md b/gcc/config/riscv/crypto.md
index 243a77ef528..ac0107f43c2 100644
--- a/gcc/config/riscv/crypto.md
+++ b/gcc/config/riscv/crypto.md
@@ -38,6 +38,8 @@ (define_c_enum "unspec" [
   UNSPEC_SHA_512_SIG1_2
   UNSPEC_SHA_512_SUM0
   UNSPEC_SHA_512_SUM1
+  UNSPEC_SM4_ED
+  UNSPEC_SM4_KS
 ])
 
 
@@ -250,3 +252,22 @@ (define_insn "riscv_sha512sum1"
   "TARGET_ZKNH && TARGET_64BIT"
   "sha512sum1\t%0,%1")
 
+
+;; Zksed - SM4
+
+(define_insn "riscv_sm4ed_<mode>"
+  [(set (match_operand:X 0 "register_operand" "=r")
+        (unspec:X [(match_operand:X 1 "register_operand" "r")
+                  (match_operand:SI 2 "immediate_operand" "")]
+                  UNSPEC_SM4_ED))]
+  "TARGET_ZKSED"
+  "sm4ed\t%0,%1,%2")
+
+(define_insn "riscv_sm4ks_<mode>"
+  [(set (match_operand:X 0 "register_operand" "=r")
+        (unspec:X [(match_operand:X 1 "register_operand" "r")
+                  (match_operand:SI 2 "immediate_operand" "")]
+                  UNSPEC_SM4_KS))]
+  "TARGET_ZKSED"
+  "sm4ks\t%0,%1,%2")
+
diff --git a/gcc/config/riscv/riscv-opts.h b/gcc/config/riscv/riscv-opts.h
index 9d8e560c4ba..6ad89db42f5 100644
--- a/gcc/config/riscv/riscv-opts.h
+++ b/gcc/config/riscv/riscv-opts.h
@@ -86,9 +86,11 @@ enum stack_protector_guard {
 #define MASK_ZKNE     (1 << 5)
 #define MASK_ZKND     (1 << 6)
 #define MASK_ZKNH     (1 << 7)
+#define MASK_ZKSED    (1 << 9)
 
 #define TARGET_ZKNE   ((riscv_zk_subext & MASK_ZKNE) != 0)
 #define TARGET_ZKND   ((riscv_zk_subext & MASK_ZKND) != 0)
 #define TARGET_ZKNH   ((riscv_zk_subext & MASK_ZKNH) != 0)
+#define TARGET_ZKSED  ((riscv_zk_subext & MASK_ZKSED) != 0)
 
 #endif /* ! GCC_RISCV_OPTS_H */
-- 
2.25.1