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-rw-r--r--bfd/elfxx-riscv.c21
-rw-r--r--gas/config/tc-riscv.c53
-rw-r--r--gas/testsuite/gas/riscv/zcb.d32
-rw-r--r--gas/testsuite/gas/riscv/zcb.s25
-rw-r--r--include/opcode/riscv-opc.h38
-rw-r--r--include/opcode/riscv.h14
-rw-r--r--opcodes/riscv-dis.c14
-rw-r--r--opcodes/riscv-opc.c28
8 files changed, 225 insertions, 0 deletions
diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
index 8635187..ee96608 100644
--- a/bfd/elfxx-riscv.c
+++ b/bfd/elfxx-riscv.c
@@ -1173,6 +1173,7 @@ static struct riscv_implicit_subset riscv_implicit_subsets[] =
{"zvksc", "zvbc", check_implicit_always},
{"zcf", "zca", check_implicit_always},
{"zcd", "zca", check_implicit_always},
+ {"zcb", "zca", check_implicit_always},
{"smaia", "ssaia", check_implicit_always},
{"smstateen", "ssstateen", check_implicit_always},
{"smepmp", "zicsr", check_implicit_always},
@@ -1307,6 +1308,7 @@ static struct riscv_supported_ext riscv_supported_std_z_ext[] =
{"zvl65536b", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"ztso", ISA_SPEC_CLASS_DRAFT, 0, 1, 0 },
{"zca", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zcb", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zcf", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zcd", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{NULL, 0, 0, 0, 0}
@@ -2494,6 +2496,17 @@ riscv_multi_subset_supports (riscv_parse_subset_t *rps,
return riscv_subset_supports (rps, "zvksed");
case INSN_CLASS_ZVKSH:
return riscv_subset_supports (rps, "zvksh");
+ case INSN_CLASS_ZCB:
+ return riscv_subset_supports (rps, "zcb");
+ case INSN_CLASS_ZCB_AND_ZBB:
+ return (riscv_subset_supports (rps, "zcb")
+ && riscv_subset_supports (rps, "zbb"));
+ case INSN_CLASS_ZCB_AND_ZBA:
+ return (riscv_subset_supports (rps, "zcb")
+ && riscv_subset_supports (rps, "zba"));
+ case INSN_CLASS_ZCB_AND_ZMMUL:
+ return (riscv_subset_supports (rps, "zcb")
+ && riscv_subset_supports (rps, "zmmul"));
case INSN_CLASS_SVINVAL:
return riscv_subset_supports (rps, "svinval");
case INSN_CLASS_H:
@@ -2702,6 +2715,14 @@ riscv_multi_subset_supports_ext (riscv_parse_subset_t *rps,
return _("zvksed");
case INSN_CLASS_ZVKSH:
return _("zvksh");
+ case INSN_CLASS_ZCB:
+ return "zcb";
+ case INSN_CLASS_ZCB_AND_ZBA:
+ return _("zcb' and `zba");
+ case INSN_CLASS_ZCB_AND_ZBB:
+ return _("zcb' and `zbb");
+ case INSN_CLASS_ZCB_AND_ZMMUL:
+ return _("zcb' and `zmmul', or `zcb' and `m");
case INSN_CLASS_SVINVAL:
return "svinval";
case INSN_CLASS_H:
diff --git a/gas/config/tc-riscv.c b/gas/config/tc-riscv.c
index 8c23c6a..80c14a3 100644
--- a/gas/config/tc-riscv.c
+++ b/gas/config/tc-riscv.c
@@ -1426,6 +1426,18 @@ validate_riscv_insn (const struct riscv_opcode *opc, int length)
goto unknown_validate_operand;
}
break;
+ case 'c':
+ switch (*++oparg)
+ {
+ /* byte immediate operators, load/store byte insns. */
+ case 'h': used_bits |= ENCODE_ZCB_HALFWORD_UIMM (-1U); break;
+ /* halfword immediate operators, load/store halfword insns. */
+ case 'b': used_bits |= ENCODE_ZCB_BYTE_UIMM (-1U); break;
+ case 'f': break;
+ default:
+ goto unknown_validate_operand;
+ }
+ break;
default:
goto unknown_validate_operand;
}
@@ -3559,6 +3571,47 @@ riscv_ip (char *str, struct riscv_cl_insn *ip, expressionS *imm_expr,
goto unknown_riscv_ip_operand;
}
break;
+
+ case 'c':
+ switch (*++oparg)
+ {
+ case 'h': /* Immediate field for c.lh/c.lhu/c.sh. */
+ /* Handle cases, such as c.sh rs2', (rs1'). */
+ if (riscv_handle_implicit_zero_offset (imm_expr, asarg))
+ continue;
+ if (my_getSmallExpression (imm_expr, imm_reloc, asarg, p)
+ || imm_expr->X_op != O_constant
+ || !VALID_ZCB_HALFWORD_UIMM ((valueT) imm_expr->X_add_number))
+ break;
+ ip->insn_opcode |= ENCODE_ZCB_HALFWORD_UIMM (imm_expr->X_add_number);
+ goto rvc_imm_done;
+
+ case 'b': /* Immediate field for c.lbu/c.sb. */
+ /* Handle cases, such as c.lbu rd', (rs1'). */
+ if (riscv_handle_implicit_zero_offset (imm_expr, asarg))
+ continue;
+ if (my_getSmallExpression (imm_expr, imm_reloc, asarg, p)
+ || imm_expr->X_op != O_constant
+ || !VALID_ZCB_BYTE_UIMM ((valueT) imm_expr->X_add_number))
+ break;
+ ip->insn_opcode |= ENCODE_ZCB_BYTE_UIMM (imm_expr->X_add_number);
+ goto rvc_imm_done;
+
+ case 'f': /* Operand for matching immediate 255. */
+ if (my_getSmallExpression (imm_expr, imm_reloc, asarg, p)
+ || imm_expr->X_op != O_constant
+ || imm_expr->X_add_number != 255)
+ break;
+ /* This operand is used for matching immediate 255, and
+ we do not write anything to encoding by this operand. */
+ asarg = expr_parse_end;
+ imm_expr->X_op = O_absent;
+ continue;
+
+ default:
+ goto unknown_riscv_ip_operand;
+ }
+ break;
default:
goto unknown_riscv_ip_operand;
}
diff --git a/gas/testsuite/gas/riscv/zcb.d b/gas/testsuite/gas/riscv/zcb.d
new file mode 100644
index 0000000..26a122b
--- /dev/null
+++ b/gas/testsuite/gas/riscv/zcb.d
@@ -0,0 +1,32 @@
+#as: -march=rv64im_zba_zbb_zcb
+#objdump: -d -Mno-aliases
+
+.*:[ ]+file format .*
+
+Disassembly of section .text:
+
+0+000 <target>:
+[ ]+[0-9a-f]+:[ ]+8020[ ]+c.lbu[ ]+s0,2\(s0\)
+[ ]+[0-9a-f]+:[ ]+8380[ ]+c.lbu[ ]+s0,0\(a5\)
+[ ]+[0-9a-f]+:[ ]+8420[ ]+c.lhu[ ]+s0,2\(s0\)
+[ ]+[0-9a-f]+:[ ]+8780[ ]+c.lhu[ ]+s0,0\(a5\)
+[ ]+[0-9a-f]+:[ ]+8460[ ]+c.lh[ ]+s0,2\(s0\)
+[ ]+[0-9a-f]+:[ ]+87c0[ ]+c.lh[ ]+s0,0\(a5\)
+[ ]+[0-9a-f]+:[ ]+8820[ ]+c.sb[ ]+s0,2\(s0\)
+[ ]+[0-9a-f]+:[ ]+8b80[ ]+c.sb[ ]+s0,0\(a5\)
+[ ]+[0-9a-f]+:[ ]+8c20[ ]+c.sh[ ]+s0,2\(s0\)
+[ ]+[0-9a-f]+:[ ]+8f80[ ]+c.sh[ ]+s0,0\(a5\)
+[ ]+[0-9a-f]+:[ ]+9c61[ ]+c.zext.b[ ]+s0
+[ ]+[0-9a-f]+:[ ]+9fe1[ ]+c.zext.b[ ]+a5
+[ ]+[0-9a-f]+:[ ]+9c65[ ]+c.sext.b[ ]+s0
+[ ]+[0-9a-f]+:[ ]+9fe5[ ]+c.sext.b[ ]+a5
+[ ]+[0-9a-f]+:[ ]+9c69[ ]+c.zext.h[ ]+s0
+[ ]+[0-9a-f]+:[ ]+9fe9[ ]+c.zext.h[ ]+a5
+[ ]+[0-9a-f]+:[ ]+9c6d[ ]+c.sext.h[ ]+s0
+[ ]+[0-9a-f]+:[ ]+9fed[ ]+c.sext.h[ ]+a5
+[ ]+[0-9a-f]+:[ ]+9c71[ ]+c.zext.w[ ]+s0
+[ ]+[0-9a-f]+:[ ]+9ff1[ ]+c.zext.w[ ]+a5
+[ ]+[0-9a-f]+:[ ]+9c75[ ]+c.not[ ]+s0
+[ ]+[0-9a-f]+:[ ]+9ff5[ ]+c.not[ ]+a5
+[ ]+[0-9a-f]+:[ ]+9c5d[ ]+c.mul[ ]+s0,a5
+[ ]+[0-9a-f]+:[ ]+9cd1[ ]+c.mul[ ]+s1,a2
diff --git a/gas/testsuite/gas/riscv/zcb.s b/gas/testsuite/gas/riscv/zcb.s
new file mode 100644
index 0000000..2e70ab2
--- /dev/null
+++ b/gas/testsuite/gas/riscv/zcb.s
@@ -0,0 +1,25 @@
+target:
+ lbu x8,2(x8)
+ c.lbu x8,(x15)
+ lhu x8,2(x8)
+ c.lhu x8,(x15)
+ lh x8,2(x8)
+ c.lh x8,(x15)
+ sb x8,2(x8)
+ c.sb x8,(x15)
+ sh x8,2(x8)
+ c.sh x8,(x15)
+ zext.b x8,x8
+ c.zext.b x15
+ sext.b x8,x8
+ c.sext.b x15
+ zext.h x8,x8
+ c.zext.h x15
+ sext.h x8,x8
+ c.sext.h x15
+ zext.w x8,x8
+ c.zext.w x15
+ not x8,x8
+ c.not x15
+ mul x8,x8,x15
+ c.mul x9,x12
diff --git a/include/opcode/riscv-opc.h b/include/opcode/riscv-opc.h
index 90f4415..53f5f20 100644
--- a/include/opcode/riscv-opc.h
+++ b/include/opcode/riscv-opc.h
@@ -2210,6 +2210,31 @@
#define MASK_VSM3C_VI 0xfe00707f
#define MATCH_VSM3ME_VV 0x82002077
#define MASK_VSM3ME_VV 0xfe00707f
+/* Zcb instructions. */
+#define MATCH_C_LBU 0x8000
+#define MASK_C_LBU 0xfc03
+#define MATCH_C_LHU 0x8400
+#define MASK_C_LHU 0xfc43
+#define MATCH_C_LH 0x8440
+#define MASK_C_LH 0xfc43
+#define MATCH_C_SB 0x8800
+#define MASK_C_SB 0xfc03
+#define MATCH_C_SH 0x8c00
+#define MASK_C_SH 0xfc43
+#define MATCH_C_ZEXT_B 0x9c61
+#define MASK_C_ZEXT_B 0xfc7f
+#define MATCH_C_SEXT_B 0x9c65
+#define MASK_C_SEXT_B 0xfc7f
+#define MATCH_C_ZEXT_H 0x9c69
+#define MASK_C_ZEXT_H 0xfc7f
+#define MATCH_C_SEXT_H 0x9c6d
+#define MASK_C_SEXT_H 0xfc7f
+#define MATCH_C_ZEXT_W 0x9c71
+#define MASK_C_ZEXT_W 0xfc7f
+#define MATCH_C_NOT 0x9c75
+#define MASK_C_NOT 0xfc7f
+#define MATCH_C_MUL 0x9c41
+#define MASK_C_MUL 0xfc63
/* Svinval instruction. */
#define MATCH_SINVAL_VMA 0x16000073
#define MASK_SINVAL_VMA 0xfe007fff
@@ -3367,6 +3392,19 @@ DECLARE_INSN(vsm4r_vv, MATCH_VSM4R_VV, MASK_VSM4R_VV)
/* Zvksh instructions. */
DECLARE_INSN(vsm3c_vi, MATCH_VSM3C_VI, MASK_VSM3C_VI)
DECLARE_INSN(vsm3me_vv, MATCH_VSM3ME_VV, MASK_VSM3ME_VV)
+/* Zcb instructions. */
+DECLARE_INSN(c_sext_b, MATCH_C_SEXT_B, MASK_C_SEXT_B)
+DECLARE_INSN(c_sext_h, MATCH_C_SEXT_H, MASK_C_SEXT_H)
+DECLARE_INSN(c_zext_b, MATCH_C_ZEXT_B, MASK_C_ZEXT_B)
+DECLARE_INSN(c_zext_h, MATCH_C_ZEXT_H, MASK_C_ZEXT_H)
+DECLARE_INSN(c_zext_w, MATCH_C_ZEXT_W, MASK_C_ZEXT_W)
+DECLARE_INSN(c_mul, MATCH_C_MUL, MASK_C_MUL)
+DECLARE_INSN(c_not, MATCH_C_NOT, MASK_C_NOT)
+DECLARE_INSN(c_lbu, MATCH_C_LBU, MASK_C_LBU)
+DECLARE_INSN(c_lhu, MATCH_C_LHU, MASK_C_LHU)
+DECLARE_INSN(c_lh, MATCH_C_LH, MASK_C_LH)
+DECLARE_INSN(c_sb, MATCH_C_SB, MASK_C_SB)
+DECLARE_INSN(c_sh, MATCH_C_SH, MASK_C_SH)
/* 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 739d6da..808f365 100644
--- a/include/opcode/riscv.h
+++ b/include/opcode/riscv.h
@@ -108,6 +108,10 @@ static inline unsigned int riscv_insn_length (insn_t insn)
(RV_X(x, 20, 10))
#define EXTRACT_RVV_VC_IMM(x) \
(RV_X(x, 20, 11))
+#define EXTRACT_ZCB_BYTE_UIMM(x) \
+ (RV_X(x, 6, 1) | (RV_X(x, 5, 1) << 1))
+#define EXTRACT_ZCB_HALFWORD_UIMM(x) \
+ (RV_X(x, 5, 1) << 1)
#define ENCODE_ITYPE_IMM(x) \
(RV_X(x, 0, 12) << 20)
@@ -155,6 +159,10 @@ static inline unsigned int riscv_insn_length (insn_t insn)
(RV_X(x, 0, 11) << 20)
#define ENCODE_RVV_VI_UIMM6(x) \
(RV_X(x, 0, 5) << 15 | RV_X(x, 5, 1) << 26)
+#define ENCODE_ZCB_BYTE_UIMM(x) \
+ ((RV_X(x, 0, 1) << 6) | (RV_X(x, 1, 1) << 5))
+#define ENCODE_ZCB_HALFWORD_UIMM(x) \
+ (RV_X(x, 1, 1) << 5)
#define VALID_ITYPE_IMM(x) (EXTRACT_ITYPE_IMM(ENCODE_ITYPE_IMM(x)) == (x))
#define VALID_STYPE_IMM(x) (EXTRACT_STYPE_IMM(ENCODE_STYPE_IMM(x)) == (x))
@@ -180,6 +188,8 @@ static inline unsigned int riscv_insn_length (insn_t insn)
#define VALID_CJTYPE_IMM(x) (EXTRACT_CJTYPE_IMM(ENCODE_CJTYPE_IMM(x)) == (x))
#define VALID_RVV_VB_IMM(x) (EXTRACT_RVV_VB_IMM(ENCODE_RVV_VB_IMM(x)) == (x))
#define VALID_RVV_VC_IMM(x) (EXTRACT_RVV_VC_IMM(ENCODE_RVV_VC_IMM(x)) == (x))
+#define VALID_ZCB_BYTE_UIMM(x) (EXTRACT_ZCB_BYTE_UIMM(ENCODE_ZCB_BYTE_UIMM(x)) == (x))
+#define VALID_ZCB_HALFWORD_UIMM(x) (EXTRACT_ZCB_HALFWORD_UIMM(ENCODE_ZCB_HALFWORD_UIMM(x)) == (x))
#define RISCV_RTYPE(insn, rd, rs1, rs2) \
((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ((rs1) << OP_SH_RS1) | ((rs2) << OP_SH_RS2))
@@ -421,6 +431,10 @@ enum riscv_insn_class
INSN_CLASS_ZVKNHA_OR_ZVKNHB,
INSN_CLASS_ZVKSED,
INSN_CLASS_ZVKSH,
+ INSN_CLASS_ZCB,
+ INSN_CLASS_ZCB_AND_ZBA,
+ INSN_CLASS_ZCB_AND_ZBB,
+ INSN_CLASS_ZCB_AND_ZMMUL,
INSN_CLASS_SVINVAL,
INSN_CLASS_ZICBOM,
INSN_CLASS_ZICBOP,
diff --git a/opcodes/riscv-dis.c b/opcodes/riscv-dis.c
index 827d9b6..2826248 100644
--- a/opcodes/riscv-dis.c
+++ b/opcodes/riscv-dis.c
@@ -614,6 +614,20 @@ print_insn_args (const char *oparg, insn_t l, bfd_vma pc, disassemble_info *info
goto undefined_modifier;
}
break;
+ case 'c': /* Zcb extension 16 bits length instruction fields. */
+ switch (*++oparg)
+ {
+ case 'b':
+ print (info->stream, dis_style_immediate, "%d",
+ (int)EXTRACT_ZCB_BYTE_UIMM (l));
+ break;
+ case 'h':
+ print (info->stream, dis_style_immediate, "%d",
+ (int)EXTRACT_ZCB_HALFWORD_UIMM (l));
+ break;
+ default: break;
+ }
+ break;
default:
goto undefined_modifier;
}
diff --git a/opcodes/riscv-opc.c b/opcodes/riscv-opc.c
index 533e3f4..6a85473 100644
--- a/opcodes/riscv-opc.c
+++ b/opcodes/riscv-opc.c
@@ -380,12 +380,14 @@ const struct riscv_opcode riscv_opcodes[] =
{"mv", 0, INSN_CLASS_I, "d,s", MATCH_ADDI, MASK_ADDI|MASK_IMM, match_opcode, INSN_ALIAS },
{"move", 0, INSN_CLASS_C, "d,CV", MATCH_C_MV, MASK_C_MV, match_c_add, INSN_ALIAS },
{"move", 0, INSN_CLASS_I, "d,s", MATCH_ADDI, MASK_ADDI|MASK_IMM, match_opcode, INSN_ALIAS },
+{"zext.b", 0, INSN_CLASS_ZCB, "Cs,Cw", MATCH_C_ZEXT_B, MASK_C_ZEXT_B, match_opcode, INSN_ALIAS },
{"zext.b", 0, INSN_CLASS_I, "d,s", MATCH_ANDI|ENCODE_ITYPE_IMM (255), MASK_ANDI | MASK_IMM, match_opcode, INSN_ALIAS },
{"and", 0, INSN_CLASS_C, "Cs,Cw,Ct", MATCH_C_AND, MASK_C_AND, match_opcode, INSN_ALIAS },
{"and", 0, INSN_CLASS_C, "Cs,Ct,Cw", MATCH_C_AND, MASK_C_AND, match_opcode, INSN_ALIAS },
{"and", 0, INSN_CLASS_C, "Cs,Cw,Co", MATCH_C_ANDI, MASK_C_ANDI, match_opcode, INSN_ALIAS },
{"and", 0, INSN_CLASS_I, "d,s,t", MATCH_AND, MASK_AND, match_opcode, 0 },
{"and", 0, INSN_CLASS_I, "d,s,j", MATCH_ANDI, MASK_ANDI, match_opcode, INSN_ALIAS },
+{"andi", 0, INSN_CLASS_ZCB, "Cs,Cw,Wcf",MATCH_C_ZEXT_B, MASK_C_ZEXT_B, match_opcode, INSN_ALIAS },
{"andi", 0, INSN_CLASS_C, "Cs,Cw,Co", MATCH_C_ANDI, MASK_C_ANDI, match_opcode, INSN_ALIAS },
{"andi", 0, INSN_CLASS_I, "d,s,j", MATCH_ANDI, MASK_ANDI, match_opcode, 0 },
{"beqz", 0, INSN_CLASS_C, "Cs,Cp", MATCH_C_BEQZ, MASK_C_BEQZ, match_opcode, INSN_ALIAS|INSN_CONDBRANCH },
@@ -449,16 +451,20 @@ const struct riscv_opcode riscv_opcodes[] =
{"sub", 0, INSN_CLASS_I, "d,s,t", MATCH_SUB, MASK_SUB, match_opcode, 0 },
{"lb", 0, INSN_CLASS_I, "d,o(s)", MATCH_LB, MASK_LB, match_opcode, INSN_DREF|INSN_1_BYTE },
{"lb", 0, INSN_CLASS_I, "d,A", 0, (int) M_LB, match_never, INSN_MACRO },
+{"lbu", 0, INSN_CLASS_ZCB, "Ct,Wcb(Cs)", MATCH_C_LBU, MASK_C_LBU, match_opcode, INSN_ALIAS|INSN_DREF|INSN_1_BYTE },
{"lbu", 0, INSN_CLASS_I, "d,o(s)", MATCH_LBU, MASK_LBU, match_opcode, INSN_DREF|INSN_1_BYTE },
{"lbu", 0, INSN_CLASS_I, "d,A", 0, (int) M_LBU, match_never, INSN_MACRO },
+{"lh", 0, INSN_CLASS_ZCB, "Ct,Wch(Cs)", MATCH_C_LH, MASK_C_LH, match_opcode, INSN_ALIAS|INSN_DREF|INSN_2_BYTE },
{"lh", 0, INSN_CLASS_I, "d,o(s)", MATCH_LH, MASK_LH, match_opcode, INSN_DREF|INSN_2_BYTE },
{"lh", 0, INSN_CLASS_I, "d,A", 0, (int) M_LH, match_never, INSN_MACRO },
+{"lhu", 0, INSN_CLASS_ZCB, "Ct,Wch(Cs)", MATCH_C_LHU, MASK_C_LHU, match_opcode, INSN_ALIAS|INSN_DREF|INSN_2_BYTE },
{"lhu", 0, INSN_CLASS_I, "d,o(s)", MATCH_LHU, MASK_LHU, match_opcode, INSN_DREF|INSN_2_BYTE },
{"lhu", 0, INSN_CLASS_I, "d,A", 0, (int) M_LHU, match_never, INSN_MACRO },
{"lw", 0, INSN_CLASS_C, "d,Cm(Cc)", MATCH_C_LWSP, MASK_C_LWSP, match_rd_nonzero, INSN_ALIAS|INSN_DREF|INSN_4_BYTE },
{"lw", 0, INSN_CLASS_C, "Ct,Ck(Cs)", MATCH_C_LW, MASK_C_LW, match_opcode, INSN_ALIAS|INSN_DREF|INSN_4_BYTE },
{"lw", 0, INSN_CLASS_I, "d,o(s)", MATCH_LW, MASK_LW, match_opcode, INSN_DREF|INSN_4_BYTE },
{"lw", 0, INSN_CLASS_I, "d,A", 0, (int) M_LW, match_never, INSN_MACRO },
+{"not", 0, INSN_CLASS_ZCB, "Cs,Cw", MATCH_C_NOT, MASK_C_NOT, match_opcode, INSN_ALIAS },
{"not", 0, INSN_CLASS_I, "d,s", MATCH_XORI|MASK_IMM, MASK_XORI|MASK_IMM, match_opcode, INSN_ALIAS },
{"or", 0, INSN_CLASS_I, "d,s,j", MATCH_ORI, MASK_ORI, match_opcode, INSN_ALIAS },
{"or", 0, INSN_CLASS_C, "Cs,Cw,Ct", MATCH_C_OR, MASK_C_OR, match_opcode, INSN_ALIAS },
@@ -478,8 +484,10 @@ const struct riscv_opcode riscv_opcodes[] =
{"sltu", 0, INSN_CLASS_I, "d,s,j", MATCH_SLTIU, MASK_SLTIU, match_opcode, INSN_ALIAS },
{"sgt", 0, INSN_CLASS_I, "d,t,s", MATCH_SLT, MASK_SLT, match_opcode, INSN_ALIAS },
{"sgtu", 0, INSN_CLASS_I, "d,t,s", MATCH_SLTU, MASK_SLTU, match_opcode, INSN_ALIAS },
+{"sb", 0, INSN_CLASS_ZCB, "Ct,Wcb(Cs)", MATCH_C_SB, MASK_C_SB, match_opcode, INSN_DREF|INSN_1_BYTE|INSN_ALIAS },
{"sb", 0, INSN_CLASS_I, "t,q(s)", MATCH_SB, MASK_SB, match_opcode, INSN_DREF|INSN_1_BYTE },
{"sb", 0, INSN_CLASS_I, "t,A,s", 0, (int) M_SB, match_never, INSN_MACRO },
+{"sh", 0, INSN_CLASS_ZCB, "Ct,Wch(Cs)", MATCH_C_SH, MASK_C_SH, match_opcode, INSN_DREF|INSN_2_BYTE|INSN_ALIAS },
{"sh", 0, INSN_CLASS_I, "t,q(s)", MATCH_SH, MASK_SH, match_opcode, INSN_DREF|INSN_2_BYTE },
{"sh", 0, INSN_CLASS_I, "t,A,s", 0, (int) M_SH, match_never, INSN_MACRO },
{"sw", 0, INSN_CLASS_C, "CV,CM(Cc)", MATCH_C_SWSP, MASK_C_SWSP, match_opcode, INSN_ALIAS|INSN_DREF|INSN_4_BYTE },
@@ -626,6 +634,7 @@ const struct riscv_opcode riscv_opcodes[] =
{"amominu.d.aqrl", 64, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOMINU_D|MASK_AQRL, MASK_AMOMINU_D|MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
/* Multiply/Divide instruction subset. */
+{"mul", 0, INSN_CLASS_ZCB_AND_ZMMUL, "Cs,Cw,Ct", MATCH_C_MUL, MASK_C_MUL, match_opcode, INSN_ALIAS },
{"mul", 0, INSN_CLASS_ZMMUL, "d,s,t", MATCH_MUL, MASK_MUL, match_opcode, 0 },
{"mulh", 0, INSN_CLASS_ZMMUL, "d,s,t", MATCH_MULH, MASK_MULH, match_opcode, 0 },
{"mulhu", 0, INSN_CLASS_ZMMUL, "d,s,t", MATCH_MULHU, MASK_MULHU, match_opcode, 0 },
@@ -1016,10 +1025,13 @@ const struct riscv_opcode riscv_opcodes[] =
{"max", 0, INSN_CLASS_ZBB, "d,s,t", MATCH_MAX, MASK_MAX, match_opcode, 0 },
{"minu", 0, INSN_CLASS_ZBB, "d,s,t", MATCH_MINU, MASK_MINU, match_opcode, 0 },
{"maxu", 0, INSN_CLASS_ZBB, "d,s,t", MATCH_MAXU, MASK_MAXU, match_opcode, 0 },
+{"sext.b", 0, INSN_CLASS_ZCB_AND_ZBB, "Cs,Cw", MATCH_C_SEXT_B, MASK_C_SEXT_B, match_opcode, INSN_ALIAS },
{"sext.b", 0, INSN_CLASS_ZBB, "d,s", MATCH_SEXT_B, MASK_SEXT_B, match_opcode, 0 },
{"sext.b", 0, INSN_CLASS_I, "d,s", 0, (int) M_SEXTB, match_never, INSN_MACRO },
+{"sext.h", 0, INSN_CLASS_ZCB_AND_ZBB, "Cs,Cw", MATCH_C_SEXT_H, MASK_C_SEXT_H, match_opcode, INSN_ALIAS },
{"sext.h", 0, INSN_CLASS_ZBB, "d,s", MATCH_SEXT_H, MASK_SEXT_H, match_opcode, 0 },
{"sext.h", 0, INSN_CLASS_I, "d,s", 0, (int) M_SEXTH, match_never, INSN_MACRO },
+{"zext.h", 0, INSN_CLASS_ZCB_AND_ZBB, "Cs,Cw", MATCH_C_ZEXT_H, MASK_C_ZEXT_H, match_opcode, INSN_ALIAS },
{"zext.h", 32, INSN_CLASS_ZBB, "d,s", MATCH_PACK, MASK_PACK | MASK_RS2, match_opcode, 0 },
{"zext.h", 64, INSN_CLASS_ZBB, "d,s", MATCH_PACKW, MASK_PACKW | MASK_RS2, match_opcode, 0 },
{"zext.h", 0, INSN_CLASS_I, "d,s", 0, (int) M_ZEXTH, match_never, INSN_MACRO },
@@ -1055,6 +1067,7 @@ const struct riscv_opcode riscv_opcodes[] =
{"sh1add.uw", 64, INSN_CLASS_ZBA, "d,s,t", MATCH_SH1ADD_UW, MASK_SH1ADD_UW, match_opcode, 0 },
{"sh2add.uw", 64, INSN_CLASS_ZBA, "d,s,t", MATCH_SH2ADD_UW, MASK_SH2ADD_UW, match_opcode, 0 },
{"sh3add.uw", 64, INSN_CLASS_ZBA, "d,s,t", MATCH_SH3ADD_UW, MASK_SH3ADD_UW, match_opcode, 0 },
+{"zext.w", 64, INSN_CLASS_ZCB_AND_ZBA, "Cs,Cw", MATCH_C_ZEXT_W, MASK_C_ZEXT_W, match_opcode, INSN_ALIAS },
{"zext.w", 64, INSN_CLASS_ZBA, "d,s", MATCH_ADD_UW, MASK_ADD_UW | MASK_RS2, match_opcode, INSN_ALIAS },
{"zext.w", 64, INSN_CLASS_I, "d,s", 0, (int) M_ZEXTW, match_never, INSN_MACRO },
{"add.uw", 64, INSN_CLASS_ZBA, "d,s,t", MATCH_ADD_UW, MASK_ADD_UW, match_opcode, 0 },
@@ -1939,6 +1952,21 @@ const struct riscv_opcode riscv_opcodes[] =
{"vsm3c.vi", 0, INSN_CLASS_ZVKSH, "Vd,Vt,Vj", MATCH_VSM3C_VI, MASK_VSM3C_VI, match_opcode, 0},
{"vsm3me.vv", 0, INSN_CLASS_ZVKSH, "Vd,Vt,Vs", MATCH_VSM3ME_VV, MASK_VSM3ME_VV, match_opcode, 0},
+/* ZCB instructions. */
+{"c.lbu", 0, INSN_CLASS_ZCB, "Ct,Wcb(Cs)", MATCH_C_LBU, MASK_C_LBU, match_opcode, INSN_DREF|INSN_1_BYTE },
+{"c.lhu", 0, INSN_CLASS_ZCB, "Ct,Wch(Cs)", MATCH_C_LHU, MASK_C_LHU, match_opcode, INSN_DREF|INSN_2_BYTE },
+{"c.lh", 0, INSN_CLASS_ZCB, "Ct,Wch(Cs)", MATCH_C_LH, MASK_C_LH, match_opcode, INSN_DREF|INSN_2_BYTE },
+{"c.sb", 0, INSN_CLASS_ZCB, "Ct,Wcb(Cs)", MATCH_C_SB, MASK_C_SB, match_opcode, INSN_DREF|INSN_1_BYTE },
+{"c.sh", 0, INSN_CLASS_ZCB, "Ct,Wch(Cs)", MATCH_C_SH, MASK_C_SH, match_opcode, INSN_DREF|INSN_2_BYTE },
+{"c.not", 0, INSN_CLASS_ZCB, "Cs", MATCH_C_NOT, MASK_C_NOT, match_opcode, 0 },
+{"c.mul", 0, INSN_CLASS_ZCB_AND_ZMMUL, "Cs,Ct", MATCH_C_MUL, MASK_C_MUL, match_opcode, 0 },
+{"c.sext.b", 0, INSN_CLASS_ZCB_AND_ZBB, "Cs", MATCH_C_SEXT_B, MASK_C_SEXT_B, match_opcode, 0 },
+{"c.sext.h", 0, INSN_CLASS_ZCB_AND_ZBB, "Cs", MATCH_C_SEXT_H, MASK_C_SEXT_H, match_opcode, 0 },
+{"c.zext.h", 0, INSN_CLASS_ZCB_AND_ZBB, "Cs", MATCH_C_ZEXT_H, MASK_C_ZEXT_H, match_opcode, 0 },
+{"c.zext.w", 64, INSN_CLASS_ZCB_AND_ZBA, "Cs", MATCH_C_ZEXT_W, MASK_C_ZEXT_W, match_opcode, 0 },
+{"c.zext.b", 0, INSN_CLASS_ZCB, "Cs", MATCH_C_ZEXT_B, MASK_C_ZEXT_B, match_opcode, 0 },
+{"c.sext.w", 64, INSN_CLASS_ZCB, "d", MATCH_C_ADDIW, MASK_C_ADDIW|MASK_RVC_IMM, match_rd_nonzero, INSN_ALIAS },
+
/* 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 },