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-rw-r--r--gas/config/tc-riscv.c64
-rw-r--r--opcodes/riscv-dis.c26
-rw-r--r--opcodes/riscv-opc.c6
3 files changed, 71 insertions, 25 deletions
diff --git a/gas/config/tc-riscv.c b/gas/config/tc-riscv.c
index 40550ba..4eff07a 100644
--- a/gas/config/tc-riscv.c
+++ b/gas/config/tc-riscv.c
@@ -1362,7 +1362,6 @@ validate_riscv_insn (const struct riscv_opcode *opc, int length)
case 'j': used_bits |= ENCODE_ITYPE_IMM (-1U); break;
case 'a': used_bits |= ENCODE_JTYPE_IMM (-1U); break;
case 'p': used_bits |= ENCODE_BTYPE_IMM (-1U); break;
- case 'f': /* Fall through. */
case 'q': used_bits |= ENCODE_STYPE_IMM (-1U); break;
case 'u': used_bits |= ENCODE_UTYPE_IMM (-1U); break;
case 'z': break; /* Zero immediate. */
@@ -1389,6 +1388,21 @@ validate_riscv_insn (const struct riscv_opcode *opc, int length)
goto unknown_validate_operand;
}
break;
+ case 'W': /* Various operands. */
+ switch (*++oparg)
+ {
+ case 'i':
+ switch (*++oparg)
+ {
+ case 'f': used_bits |= ENCODE_STYPE_IMM (-1U); break;
+ default:
+ goto unknown_validate_operand;
+ }
+ break;
+ default:
+ goto unknown_validate_operand;
+ }
+ break;
case 'X': /* Integer immediate. */
{
size_t n;
@@ -3420,22 +3434,37 @@ riscv_ip (char *str, struct riscv_cl_insn *ip, expressionS *imm_expr,
imm_expr->X_op = O_absent;
continue;
- case 'f': /* Prefetch offset, pseudo S-type but lower 5-bits zero. */
- if (riscv_handle_implicit_zero_offset (imm_expr, asarg))
- continue;
- my_getExpression (imm_expr, asarg);
- check_absolute_expr (ip, imm_expr, false);
- if (((unsigned) (imm_expr->X_add_number) & 0x1fU)
- || imm_expr->X_add_number >= (signed) RISCV_IMM_REACH / 2
- || imm_expr->X_add_number < -(signed) RISCV_IMM_REACH / 2)
- as_bad (_("improper prefetch offset (%ld)"),
- (long) imm_expr->X_add_number);
- ip->insn_opcode |=
- ENCODE_STYPE_IMM ((unsigned) (imm_expr->X_add_number) &
- ~ 0x1fU);
- imm_expr->X_op = O_absent;
- asarg = expr_parse_end;
- continue;
+ case 'W': /* Various operands. */
+ switch (*++oparg)
+ {
+ case 'i':
+ switch (*++oparg)
+ {
+ case 'f':
+ /* Prefetch offset for 'Zicbop' extension.
+ pseudo S-type but lower 5-bits zero. */
+ if (riscv_handle_implicit_zero_offset (imm_expr, asarg))
+ continue;
+ my_getExpression (imm_expr, asarg);
+ check_absolute_expr (ip, imm_expr, false);
+ if (((unsigned) (imm_expr->X_add_number) & 0x1fU)
+ || imm_expr->X_add_number >= RISCV_IMM_REACH / 2
+ || imm_expr->X_add_number < -RISCV_IMM_REACH / 2)
+ as_bad (_ ("improper prefetch offset (%ld)"),
+ (long) imm_expr->X_add_number);
+ ip->insn_opcode |= ENCODE_STYPE_IMM (
+ (unsigned) (imm_expr->X_add_number) & ~0x1fU);
+ imm_expr->X_op = O_absent;
+ asarg = expr_parse_end;
+ continue;
+ default:
+ goto unknown_riscv_ip_operand;
+ }
+ break;
+ default:
+ goto unknown_riscv_ip_operand;
+ }
+ break;
case 'X': /* Integer immediate. */
{
@@ -3488,6 +3517,7 @@ riscv_ip (char *str, struct riscv_cl_insn *ip, expressionS *imm_expr,
}
}
break;
+
default:
unknown_riscv_ip_operand:
as_fatal (_("internal: unknown argument type `%s'"),
diff --git a/opcodes/riscv-dis.c b/opcodes/riscv-dis.c
index f431124..3aaa45f 100644
--- a/opcodes/riscv-dis.c
+++ b/opcodes/riscv-dis.c
@@ -473,11 +473,6 @@ print_insn_args (const char *oparg, insn_t l, bfd_vma pc, disassemble_info *info
(int)EXTRACT_STYPE_IMM (l));
break;
- case 'f':
- print (info->stream, dis_style_address_offset, "%d",
- (int)EXTRACT_STYPE_IMM (l));
- break;
-
case 'a':
info->target = EXTRACT_JTYPE_IMM (l) + pc;
(*info->print_address_func) (info->target, info);
@@ -582,6 +577,27 @@ print_insn_args (const char *oparg, insn_t l, bfd_vma pc, disassemble_info *info
print (info->stream, dis_style_immediate, "%d", rs1);
break;
+ case 'W': /* Various operands. */
+ {
+ switch (*++oparg)
+ {
+ case 'i':
+ switch (*++oparg)
+ {
+ case 'f':
+ print (info->stream, dis_style_address_offset, "%d",
+ (int) EXTRACT_STYPE_IMM (l));
+ break;
+ default:
+ goto undefined_modifier;
+ }
+ break;
+ default:
+ goto undefined_modifier;
+ }
+ }
+ break;
+
case 'X': /* Integer immediate. */
{
size_t n;
diff --git a/opcodes/riscv-opc.c b/opcodes/riscv-opc.c
index f67375f..d9d69cd 100644
--- a/opcodes/riscv-opc.c
+++ b/opcodes/riscv-opc.c
@@ -313,9 +313,9 @@ const struct riscv_opcode riscv_opcodes[] =
/* name, xlen, isa, operands, match, mask, match_func, pinfo. */
/* Standard hints. */
-{"prefetch.i", 0, INSN_CLASS_ZICBOP, "f(s)", MATCH_PREFETCH_I, MASK_PREFETCH_I, match_opcode, 0 },
-{"prefetch.r", 0, INSN_CLASS_ZICBOP, "f(s)", MATCH_PREFETCH_R, MASK_PREFETCH_R, match_opcode, 0 },
-{"prefetch.w", 0, INSN_CLASS_ZICBOP, "f(s)", MATCH_PREFETCH_W, MASK_PREFETCH_W, match_opcode, 0 },
+{"prefetch.i", 0, INSN_CLASS_ZICBOP, "Wif(s)", MATCH_PREFETCH_I, MASK_PREFETCH_I, match_opcode, 0 },
+{"prefetch.r", 0, INSN_CLASS_ZICBOP, "Wif(s)", MATCH_PREFETCH_R, MASK_PREFETCH_R, match_opcode, 0 },
+{"prefetch.w", 0, INSN_CLASS_ZICBOP, "Wif(s)", MATCH_PREFETCH_W, MASK_PREFETCH_W, match_opcode, 0 },
{"pause", 0, INSN_CLASS_ZIHINTPAUSE, "", MATCH_PAUSE, MASK_PAUSE, match_opcode, 0 },
/* Basic RVI instructions and aliases. */