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-rw-r--r--bfd/elfxx-riscv.c5
-rw-r--r--gas/NEWS2
-rw-r--r--gas/doc/c-riscv.texi5
-rw-r--r--gas/testsuite/gas/riscv/x-thead-int.d11
-rw-r--r--gas/testsuite/gas/riscv/x-thead-int.s3
-rw-r--r--include/opcode/riscv-opc.h8
-rw-r--r--include/opcode/riscv.h1
-rw-r--r--opcodes/riscv-opc.c4
8 files changed, 38 insertions, 1 deletions
diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
index a1e4206..cfec9a6 100644
--- a/bfd/elfxx-riscv.c
+++ b/bfd/elfxx-riscv.c
@@ -1240,6 +1240,7 @@ static struct riscv_supported_ext riscv_supported_vendor_x_ext[] =
{"xtheadcondmov", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"xtheadfmemidx", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"xtheadfmv", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"xtheadint", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"xtheadmac", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"xtheadmemidx", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"xtheadmempair", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
@@ -2422,6 +2423,8 @@ riscv_multi_subset_supports (riscv_parse_subset_t *rps,
return riscv_subset_supports (rps, "xtheadfmemidx");
case INSN_CLASS_XTHEADFMV:
return riscv_subset_supports (rps, "xtheadfmv");
+ case INSN_CLASS_XTHEADINT:
+ return riscv_subset_supports (rps, "xtheadint");
case INSN_CLASS_XTHEADMAC:
return riscv_subset_supports (rps, "xtheadmac");
case INSN_CLASS_XTHEADMEMIDX:
@@ -2578,6 +2581,8 @@ riscv_multi_subset_supports_ext (riscv_parse_subset_t *rps,
return "xtheadfmemidx";
case INSN_CLASS_XTHEADFMV:
return "xtheadfmv";
+ case INSN_CLASS_XTHEADINT:
+ return "xtheadint";
case INSN_CLASS_XTHEADMAC:
return "xtheadmac";
case INSN_CLASS_XTHEADMEMIDX:
diff --git a/gas/NEWS b/gas/NEWS
index ff0a25d..8ddd38a 100644
--- a/gas/NEWS
+++ b/gas/NEWS
@@ -26,7 +26,7 @@
for --enable-compressed-debug-sections.
* Add support for various T-Head extensions (XTheadBa, XTheadBb, XTheadBs,
- XTheadCmo, XTheadCondMov, XTheadFMemIdx, XTheadFmv, XTheadMemIdx,
+ XTheadCmo, XTheadCondMov, XTheadFMemIdx, XTheadFmv, XTheadInt, XTheadMemIdx,
XTheadMemPair, XTheadMac, and XTheadSync) from version 2.0 of the T-Head
ISA manual, which are implemented in the Allwinner D1.
diff --git a/gas/doc/c-riscv.texi b/gas/doc/c-riscv.texi
index f2a69d8..d61e8e47 100644
--- a/gas/doc/c-riscv.texi
+++ b/gas/doc/c-riscv.texi
@@ -739,6 +739,11 @@ The XTheadFmv extension provides access to the upper 32 bits of a doulbe-precisi
It is documented in @url{https://github.com/T-head-Semi/thead-extension-spec/releases/download/2.1.0/xthead-2022-11-07-2.1.0.pdf}.
+@item XTheadInt
+The XTheadInt extension provides access to ISR stack management instructions.
+
+It is documented in @url{https://github.com/T-head-Semi/thead-extension-spec/releases/download/2.1.0/xthead-2022-11-07-2.1.0.pdf}.
+
@item XTheadMac
The XTheadMac extension provides multiply-accumulate instructions.
diff --git a/gas/testsuite/gas/riscv/x-thead-int.d b/gas/testsuite/gas/riscv/x-thead-int.d
new file mode 100644
index 0000000..23a82a2
--- /dev/null
+++ b/gas/testsuite/gas/riscv/x-thead-int.d
@@ -0,0 +1,11 @@
+#as: -march=rv32i_xtheadint
+#source: x-thead-int.s
+#objdump: -dr
+
+.*:[ ]+file format .*
+
+Disassembly of section .text:
+
+0+000 <target>:
+[ ]+[0-9a-f]+:[ ]+0040000b[ ]+th.ipush
+[ ]+[0-9a-f]+:[ ]+0050000b[ ]+th.ipop
diff --git a/gas/testsuite/gas/riscv/x-thead-int.s b/gas/testsuite/gas/riscv/x-thead-int.s
new file mode 100644
index 0000000..23d8674
--- /dev/null
+++ b/gas/testsuite/gas/riscv/x-thead-int.s
@@ -0,0 +1,3 @@
+target:
+ th.ipush
+ th.ipop
diff --git a/include/opcode/riscv-opc.h b/include/opcode/riscv-opc.h
index d7d9dbc..f36b06d 100644
--- a/include/opcode/riscv-opc.h
+++ b/include/opcode/riscv-opc.h
@@ -2213,6 +2213,11 @@
#define MASK_TH_FMV_HW_X 0xfff0707f
#define MATCH_TH_FMV_X_HW 0x5000100b
#define MASK_TH_FMV_X_HW 0xfff0707f
+/* Vendor-specific (T-Head) XTheadInt instructions. */
+#define MATCH_TH_IPOP 0x0050000b
+#define MASK_TH_IPOP 0xffffffff
+#define MATCH_TH_IPUSH 0x0040000b
+#define MASK_TH_IPUSH 0xffffffff
/* Vendor-specific (T-Head) XTheadMac instructions. */
#define MATCH_TH_MULA 0x2000100b
#define MASK_TH_MULA 0xfe00707f
@@ -3130,6 +3135,9 @@ DECLARE_INSN(th_fsurw, MATCH_TH_FSURW, MASK_TH_FSURW)
/* Vendor-specific (T-Head) XTheadFmv instructions. */
DECLARE_INSN(th_fmv_hw_x, MATCH_TH_FMV_HW_X, MASK_TH_FMV_HW_X)
DECLARE_INSN(th_fmv_x_hw, MATCH_TH_FMV_X_HW, MASK_TH_FMV_X_HW)
+/* Vendor-specific (T-Head) XTheadInt instructions. */
+DECLARE_INSN(th_ipop, MATCH_TH_IPOP, MASK_TH_IPOP)
+DECLARE_INSN(th_ipush, MATCH_TH_IPUSH, MASK_TH_IPUSH)
/* Vendor-specific (T-Head) XTheadMac instructions. */
DECLARE_INSN(th_mula, MATCH_TH_MULA, MASK_TH_MULA)
DECLARE_INSN(th_mulah, MATCH_TH_MULAH, MASK_TH_MULAH)
diff --git a/include/opcode/riscv.h b/include/opcode/riscv.h
index f90cf97..c3cbde6 100644
--- a/include/opcode/riscv.h
+++ b/include/opcode/riscv.h
@@ -417,6 +417,7 @@ enum riscv_insn_class
INSN_CLASS_XTHEADCONDMOV,
INSN_CLASS_XTHEADFMEMIDX,
INSN_CLASS_XTHEADFMV,
+ INSN_CLASS_XTHEADINT,
INSN_CLASS_XTHEADMAC,
INSN_CLASS_XTHEADMEMIDX,
INSN_CLASS_XTHEADMEMPAIR,
diff --git a/opcodes/riscv-opc.c b/opcodes/riscv-opc.c
index dfd508b..0e69154 100644
--- a/opcodes/riscv-opc.c
+++ b/opcodes/riscv-opc.c
@@ -1935,6 +1935,10 @@ const struct riscv_opcode riscv_opcodes[] =
{"th.fmv.hw.x", 32, INSN_CLASS_XTHEADFMV, "d,S", MATCH_TH_FMV_HW_X, MASK_TH_FMV_HW_X, match_opcode, 0},
{"th.fmv.x.hw", 32, INSN_CLASS_XTHEADFMV, "d,S", MATCH_TH_FMV_X_HW, MASK_TH_FMV_X_HW, match_opcode, 0},
+/* Vendor-specific (T-Head) XTheadInt instructions. */
+{"th.ipop", 0, INSN_CLASS_XTHEADINT, "", MATCH_TH_IPOP, MASK_TH_IPOP, match_opcode, 0},
+{"th.ipush", 0, INSN_CLASS_XTHEADINT, "", MATCH_TH_IPUSH, MASK_TH_IPUSH, match_opcode, 0},
+
/* Vendor-specific (T-Head) XTheadMemIdx instructions. */
{"th.ldia", 64, INSN_CLASS_XTHEADMEMIDX, "d,(s),Xs5@20,Xu2@25", MATCH_TH_LDIA, MASK_TH_LDIA, match_th_load_inc, 0},
{"th.ldib", 64, INSN_CLASS_XTHEADMEMIDX, "d,(s),Xs5@20,Xu2@25", MATCH_TH_LDIB, MASK_TH_LDIB, match_th_load_inc, 0},