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authorNathan Huckleberry <nhuck@google.com>2023-06-30 22:44:42 +0200
committerJeff Law <jlaw@ventanamicro>2023-07-01 07:32:15 -0600
commitd556141eb12bc75f78000facd899322096800091 (patch)
treecc5d9052d48d411118f273eaf56a9137f73cb98e
parent937cc1c690c959240075eb45720310533d3a1c0d (diff)
downloadgdb-d556141eb12bc75f78000facd899322096800091.zip
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RISC-V: Add support for the Zvksc ISA extension
Zvksc is part of the vector crypto extensions. Zvksc is shorthand for the following set of extensions: - Zvks - Zvbc bfd/ChangeLog: * elfxx-riscv.c: Define Zvksc extension. gas/ChangeLog: * testsuite/gas/riscv/zvksc.d: New test. * testsuite/gas/riscv/zvksc.s: New test. Signed-off-by: Nathan Huckleberry <nhuck@google.com> Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu>
-rw-r--r--bfd/elfxx-riscv.c3
-rw-r--r--gas/testsuite/gas/riscv/zvksc.d18
-rw-r--r--gas/testsuite/gas/riscv/zvksc.s10
3 files changed, 31 insertions, 0 deletions
diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
index 95b3ab3..d6c8e04 100644
--- a/bfd/elfxx-riscv.c
+++ b/bfd/elfxx-riscv.c
@@ -1169,6 +1169,8 @@ static struct riscv_implicit_subset riscv_implicit_subsets[] =
{"zvks", "zvbb", check_implicit_always},
{"zvksg", "zvks", check_implicit_always},
{"zvksg", "zvkg", check_implicit_always},
+ {"zvksc", "zvks", check_implicit_always},
+ {"zvksc", "zvbc", check_implicit_always},
{"smaia", "ssaia", check_implicit_always},
{"smstateen", "ssstateen", check_implicit_always},
{"smepmp", "zicsr", check_implicit_always},
@@ -1288,6 +1290,7 @@ static struct riscv_supported_ext riscv_supported_std_z_ext[] =
{"zvksh", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zvks", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zvksg", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zvksc", 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 },
diff --git a/gas/testsuite/gas/riscv/zvksc.d b/gas/testsuite/gas/riscv/zvksc.d
new file mode 100644
index 0000000..8614ede
--- /dev/null
+++ b/gas/testsuite/gas/riscv/zvksc.d
@@ -0,0 +1,18 @@
+#as: -march=rv64gc_zvksc
+#objdump: -dr
+
+.*:[ ]+file format .*
+
+
+Disassembly of section .text:
+0+000 <.text>:
+[ ]+[0-9a-f]+:[ ]+86802277[ ]+vsm4k.vi[ ]+v4,v8,0
+[ ]+[0-9a-f]+:[ ]+ae802277[ ]+vsm3c.vi[ ]+v4,v8,0
+[ ]+[0-9a-f]+:[ ]+32862257[ ]+vclmul.vv[ ]+v4,v8,v12
+[ ]+[0-9a-f]+:[ ]+30862257[ ]+vclmul.vv[ ]+v4,v8,v12,v0.t
+[ ]+[0-9a-f]+:[ ]+3285e257[ ]+vclmul.vx[ ]+v4,v8,a1
+[ ]+[0-9a-f]+:[ ]+3085e257[ ]+vclmul.vx[ ]+v4,v8,a1,v0.t
+[ ]+[0-9a-f]+:[ ]+36862257[ ]+vclmulh.vv[ ]+v4,v8,v12
+[ ]+[0-9a-f]+:[ ]+34862257[ ]+vclmulh.vv[ ]+v4,v8,v12,v0.t
+[ ]+[0-9a-f]+:[ ]+3685e257[ ]+vclmulh.vx[ ]+v4,v8,a1
+[ ]+[0-9a-f]+:[ ]+3485e257[ ]+vclmulh.vx[ ]+v4,v8,a1,v0.t
diff --git a/gas/testsuite/gas/riscv/zvksc.s b/gas/testsuite/gas/riscv/zvksc.s
new file mode 100644
index 0000000..aed6010
--- /dev/null
+++ b/gas/testsuite/gas/riscv/zvksc.s
@@ -0,0 +1,10 @@
+ vsm4k.vi v4, v8, 0
+ vsm3c.vi v4, v8, 0
+ vclmul.vv v4, v8, v12
+ vclmul.vv v4, v8, v12, v0.t
+ vclmul.vx v4, v8, a1
+ vclmul.vx v4, v8, a1, v0.t
+ vclmulh.vv v4, v8, v12
+ vclmulh.vv v4, v8, v12, v0.t
+ vclmulh.vx v4, v8, a1
+ vclmulh.vx v4, v8, a1, v0.t