[RFC PATCH v3 4/8] RISC-V: Add Zvknh[a,b] ISA extension support
Christoph Muellner
christoph.muellner@vrull.eu
Mon Feb 13 13:39:45 GMT 2023
From: Christoph Müllner <christoph.muellner@vrull.eu>
This commit adds the Zvknh[a,b] ISA extension instructions, which are part
of the vector crypto extensions.
Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu>
---
Changes in v2:
- Rename Zvkh[a,b] -> Zvknh[a,b]
bfd/elfxx-riscv.c | 13 +++++++++++++
gas/testsuite/gas/riscv/zvknha.d | 12 ++++++++++++
gas/testsuite/gas/riscv/zvknha_zvknhb.s | 3 +++
gas/testsuite/gas/riscv/zvknhb.d | 12 ++++++++++++
include/opcode/riscv-opc.h | 11 +++++++++++
include/opcode/riscv.h | 3 +++
opcodes/riscv-opc.c | 5 +++++
7 files changed, 59 insertions(+)
create mode 100644 gas/testsuite/gas/riscv/zvknha.d
create mode 100644 gas/testsuite/gas/riscv/zvknha_zvknhb.s
create mode 100644 gas/testsuite/gas/riscv/zvknhb.d
diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
index 51ddaace420..c0a71c771fc 100644
--- a/bfd/elfxx-riscv.c
+++ b/bfd/elfxx-riscv.c
@@ -1208,6 +1208,8 @@ static struct riscv_supported_ext riscv_supported_std_z_ext[] =
{"zvkb", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zvkg", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zvkned", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zvknha", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zvknhb", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zvl32b", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zvl64b", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zvl128b", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
@@ -2364,6 +2366,13 @@ riscv_multi_subset_supports (riscv_parse_subset_t *rps,
return riscv_subset_supports (rps, "zvkg");
case INSN_CLASS_ZVKNED:
return riscv_subset_supports (rps, "zvkned");
+ case INSN_CLASS_ZVKNHA:
+ return riscv_subset_supports (rps, "zvknha");
+ case INSN_CLASS_ZVKNHB:
+ return riscv_subset_supports (rps, "zvknhb");
+ case INSN_CLASS_ZVKNHA_OR_ZVKNHB:
+ return (riscv_subset_supports (rps, "zvknha")
+ || riscv_subset_supports (rps, "zvknhb"));
case INSN_CLASS_SVINVAL:
return riscv_subset_supports (rps, "svinval");
case INSN_CLASS_H:
@@ -2528,6 +2537,10 @@ riscv_multi_subset_supports_ext (riscv_parse_subset_t *rps,
return _("zvkg");
case INSN_CLASS_ZVKNED:
return _("zvkned");
+ case INSN_CLASS_ZVKNHA:
+ return _("zvknha");
+ case INSN_CLASS_ZVKNHB:
+ return _("zvknhb");
case INSN_CLASS_SVINVAL:
return "svinval";
case INSN_CLASS_H:
diff --git a/gas/testsuite/gas/riscv/zvknha.d b/gas/testsuite/gas/riscv/zvknha.d
new file mode 100644
index 00000000000..36d660f634f
--- /dev/null
+++ b/gas/testsuite/gas/riscv/zvknha.d
@@ -0,0 +1,12 @@
+#as: -march=rv64gc_zvknha
+#source: zvknha_zvknhb.s
+#objdump: -dr
+
+.*:[ ]+file format .*
+
+
+Disassembly of section .text:
+0+000 <.text>:
+[ ]+[0-9a-f]+:[ ]+ba862277[ ]+vsha2ch.vv[ ]+v4,v8,v12
+[ ]+[0-9a-f]+:[ ]+be862277[ ]+vsha2cl.vv[ ]+v4,v8,v12
+[ ]+[0-9a-f]+:[ ]+b6862277[ ]+vsha2ms.vv[ ]+v4,v8,v12
diff --git a/gas/testsuite/gas/riscv/zvknha_zvknhb.s b/gas/testsuite/gas/riscv/zvknha_zvknhb.s
new file mode 100644
index 00000000000..d20e6310531
--- /dev/null
+++ b/gas/testsuite/gas/riscv/zvknha_zvknhb.s
@@ -0,0 +1,3 @@
+ vsha2ch.vv v4, v8, v12
+ vsha2cl.vv v4, v8, v12
+ vsha2ms.vv v4, v8, v12
diff --git a/gas/testsuite/gas/riscv/zvknhb.d b/gas/testsuite/gas/riscv/zvknhb.d
new file mode 100644
index 00000000000..ab0f035889e
--- /dev/null
+++ b/gas/testsuite/gas/riscv/zvknhb.d
@@ -0,0 +1,12 @@
+#as: -march=rv64gc_zvknhb
+#source: zvknha_zvknhb.s
+#objdump: -dr
+
+.*:[ ]+file format .*
+
+
+Disassembly of section .text:
+0+000 <.text>:
+[ ]+[0-9a-f]+:[ ]+ba862277[ ]+vsha2ch.vv[ ]+v4,v8,v12
+[ ]+[0-9a-f]+:[ ]+be862277[ ]+vsha2cl.vv[ ]+v4,v8,v12
+[ ]+[0-9a-f]+:[ ]+b6862277[ ]+vsha2ms.vv[ ]+v4,v8,v12
diff --git a/include/opcode/riscv-opc.h b/include/opcode/riscv-opc.h
index 5f593222ea6..e82e53be687 100644
--- a/include/opcode/riscv-opc.h
+++ b/include/opcode/riscv-opc.h
@@ -2112,6 +2112,13 @@
#define MASK_VAESKF2VI 0xfe00707f
#define MATCH_VAESZVS 0xa603a077
#define MASK_VAESZVS 0xfe0ff07f
+/* Zvknh[a,b] instructions. */
+#define MATCH_VSHA2CHVV 0xba002077
+#define MASK_VSHA2CHVV 0xfe00707f
+#define MATCH_VSHA2CLVV 0xbe002077
+#define MASK_VSHA2CLVV 0xfe00707f
+#define MATCH_VSHA2MSVV 0xb6002077
+#define MASK_VSHA2MSVV 0xfe00707f
/* Svinval instruction. */
#define MATCH_SINVAL_VMA 0x16000073
#define MASK_SINVAL_VMA 0xfe007fff
@@ -3205,6 +3212,10 @@ DECLARE_INSN(vaesemvs, MATCH_VAESEMVS, MASK_VAESEMVS)
DECLARE_INSN(vaeskf1vi, MATCH_VAESKF1VI, MASK_VAESKF1VI)
DECLARE_INSN(vaeskf2vi, MATCH_VAESKF2VI, MASK_VAESKF2VI)
DECLARE_INSN(vaeszvs, MATCH_VAESZVS, MASK_VAESZVS)
+/* Zvknh[a,b] instructions. */
+DECLARE_INSN(vsha2chvv, MATCH_VSHA2CHVV, MASK_VSHA2CHVV)
+DECLARE_INSN(vsha2clvv, MATCH_VSHA2CLVV, MASK_VSHA2CLVV)
+DECLARE_INSN(vsha2msvv, MATCH_VSHA2MSVV, MASK_VSHA2MSVV)
/* Vendor-specific (T-Head) XTheadBa instructions. */
DECLARE_INSN(th_addsl, MATCH_TH_ADDSL, MASK_TH_ADDSL)
/* Vendor-specific (T-Head) XTheadBb instructions. */
diff --git a/include/opcode/riscv.h b/include/opcode/riscv.h
index 4b7e72150e5..17f28355360 100644
--- a/include/opcode/riscv.h
+++ b/include/opcode/riscv.h
@@ -412,6 +412,9 @@ enum riscv_insn_class
INSN_CLASS_ZVKB,
INSN_CLASS_ZVKG,
INSN_CLASS_ZVKNED,
+ INSN_CLASS_ZVKNHA,
+ INSN_CLASS_ZVKNHB,
+ INSN_CLASS_ZVKNHA_OR_ZVKNHB,
INSN_CLASS_SVINVAL,
INSN_CLASS_ZICBOM,
INSN_CLASS_ZICBOP,
diff --git a/opcodes/riscv-opc.c b/opcodes/riscv-opc.c
index 3465670d951..a57b084b20e 100644
--- a/opcodes/riscv-opc.c
+++ b/opcodes/riscv-opc.c
@@ -1848,6 +1848,11 @@ const struct riscv_opcode riscv_opcodes[] =
{"vaeskf2.vi", 0, INSN_CLASS_ZVKNED, "Vd,Vt,Vj", MATCH_VAESKF2VI, MASK_VAESKF2VI, match_opcode, 0},
{"vaesz.vs", 0, INSN_CLASS_ZVKNED, "Vd,Vt", MATCH_VAESZVS, MASK_VAESZVS, match_opcode, 0},
+/* Zvknh[a,b] instructions. */
+{"vsha2ch.vv", 0, INSN_CLASS_ZVKNHA_OR_ZVKNHB, "Vd,Vt,Vs", MATCH_VSHA2CHVV, MASK_VSHA2CHVV, match_opcode, 0},
+{"vsha2cl.vv", 0, INSN_CLASS_ZVKNHA_OR_ZVKNHB, "Vd,Vt,Vs", MATCH_VSHA2CLVV, MASK_VSHA2CLVV, match_opcode, 0},
+{"vsha2ms.vv", 0, INSN_CLASS_ZVKNHA_OR_ZVKNHB, "Vd,Vt,Vs", MATCH_VSHA2MSVV, MASK_VSHA2MSVV, match_opcode, 0},
+
/* Supervisor instructions. */
{"csrr", 0, INSN_CLASS_ZICSR, "d,E", MATCH_CSRRS, MASK_CSRRS|MASK_RS1, match_opcode, INSN_ALIAS },
{"csrw", 0, INSN_CLASS_ZICSR, "E,s", MATCH_CSRRW, MASK_CSRRW|MASK_RD, match_opcode, INSN_ALIAS },
--
2.39.1
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