From: Andrew Waterman <waterman@cs.berkeley.edu>
Date: Tue, 6 Oct 2015 07:51:27 +0000 (-0700)
Subject: RVC encoding tweak
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c0af64539fcc799914d4246275aa4e031350bb89;p=riscv-isa-sim.git

RVC encoding tweak
---

diff --git a/riscv/encoding.h b/riscv/encoding.h
index 5be3bdb..b7c930e 100644
--- a/riscv/encoding.h
+++ b/riscv/encoding.h
@@ -483,9 +483,9 @@
 #define MASK_FNMSUB_D  0x600007f
 #define MATCH_FNMADD_D 0x200004f
 #define MASK_FNMADD_D  0x600007f
-#define MATCH_C_NOP 0x8001
+#define MATCH_C_NOP 0x1
 #define MASK_C_NOP  0xffff
-#define MATCH_C_ADDI16SP 0xe101
+#define MATCH_C_ADDI16SP 0x6101
 #define MASK_C_ADDI16SP  0xef83
 #define MATCH_C_JR 0x8002
 #define MASK_C_JR  0xf07f
@@ -497,7 +497,7 @@
 #define MASK_C_LD  0xe003
 #define MATCH_C_SD 0xe000
 #define MASK_C_SD  0xe003
-#define MATCH_C_ADDIW 0xa001
+#define MATCH_C_ADDIW 0x2001
 #define MASK_C_ADDIW  0xe003
 #define MATCH_C_LDSP 0x6002
 #define MASK_C_LDSP  0xe003
@@ -517,42 +517,42 @@
 #define MASK_C_SW  0xe003
 #define MATCH_C_FSW 0xe000
 #define MASK_C_FSW  0xe003
-#define MATCH_C_SRLI 0x1
+#define MATCH_C_ADDI 0x1
+#define MASK_C_ADDI  0xe003
+#define MATCH_C_JAL 0x2001
+#define MASK_C_JAL  0xe003
+#define MATCH_C_LI 0x4001
+#define MASK_C_LI  0xe003
+#define MATCH_C_LUI 0x6001
+#define MASK_C_LUI  0xe003
+#define MATCH_C_SRLI 0x8001
 #define MASK_C_SRLI  0xec03
-#define MATCH_C_SRAI 0x401
+#define MATCH_C_SRAI 0x8401
 #define MASK_C_SRAI  0xec03
-#define MATCH_C_ANDI 0x801
+#define MATCH_C_ANDI 0x8801
 #define MASK_C_ANDI  0xec03
-#define MATCH_C_ADDW 0xc01
+#define MATCH_C_ADDW 0x8c01
 #define MASK_C_ADDW  0xfc63
-#define MATCH_C_SLL 0xc21
+#define MATCH_C_SLL 0x8c21
 #define MASK_C_SLL  0xfc63
-#define MATCH_C_SUBW 0xc41
+#define MATCH_C_SUBW 0x8c41
 #define MASK_C_SUBW  0xfc63
-#define MATCH_C_SUB 0xc61
+#define MATCH_C_SUB 0x8c61
 #define MASK_C_SUB  0xfc63
-#define MATCH_C_XOR 0x1c01
+#define MATCH_C_XOR 0x9c01
 #define MASK_C_XOR  0xfc63
-#define MATCH_C_SRL 0x1c21
+#define MATCH_C_SRL 0x9c21
 #define MASK_C_SRL  0xfc63
-#define MATCH_C_OR 0x1c41
+#define MATCH_C_OR 0x9c41
 #define MASK_C_OR  0xfc63
-#define MATCH_C_AND 0x1c61
+#define MATCH_C_AND 0x9c61
 #define MASK_C_AND  0xfc63
-#define MATCH_C_J 0x2001
+#define MATCH_C_J 0xa001
 #define MASK_C_J  0xe003
-#define MATCH_C_BEQZ 0x4001
+#define MATCH_C_BEQZ 0xc001
 #define MASK_C_BEQZ  0xe003
-#define MATCH_C_BNEZ 0x6001
+#define MATCH_C_BNEZ 0xe001
 #define MASK_C_BNEZ  0xe003
-#define MATCH_C_ADDI 0x8001
-#define MASK_C_ADDI  0xe003
-#define MATCH_C_JAL 0xa001
-#define MASK_C_JAL  0xe003
-#define MATCH_C_LI 0xc001
-#define MASK_C_LI  0xe003
-#define MATCH_C_LUI 0xe001
-#define MASK_C_LUI  0xe003
 #define MATCH_C_SLLI 0x2
 #define MASK_C_SLLI  0xe003
 #define MATCH_C_FLDSP 0x2002
@@ -830,6 +830,10 @@ DECLARE_INSN(c_flw, MATCH_C_FLW, MASK_C_FLW)
 DECLARE_INSN(c_fsd, MATCH_C_FSD, MASK_C_FSD)
 DECLARE_INSN(c_sw, MATCH_C_SW, MASK_C_SW)
 DECLARE_INSN(c_fsw, MATCH_C_FSW, MASK_C_FSW)
+DECLARE_INSN(c_addi, MATCH_C_ADDI, MASK_C_ADDI)
+DECLARE_INSN(c_jal, MATCH_C_JAL, MASK_C_JAL)
+DECLARE_INSN(c_li, MATCH_C_LI, MASK_C_LI)
+DECLARE_INSN(c_lui, MATCH_C_LUI, MASK_C_LUI)
 DECLARE_INSN(c_srli, MATCH_C_SRLI, MASK_C_SRLI)
 DECLARE_INSN(c_srai, MATCH_C_SRAI, MASK_C_SRAI)
 DECLARE_INSN(c_andi, MATCH_C_ANDI, MASK_C_ANDI)
@@ -844,10 +848,6 @@ DECLARE_INSN(c_and, MATCH_C_AND, MASK_C_AND)
 DECLARE_INSN(c_j, MATCH_C_J, MASK_C_J)
 DECLARE_INSN(c_beqz, MATCH_C_BEQZ, MASK_C_BEQZ)
 DECLARE_INSN(c_bnez, MATCH_C_BNEZ, MASK_C_BNEZ)
-DECLARE_INSN(c_addi, MATCH_C_ADDI, MASK_C_ADDI)
-DECLARE_INSN(c_jal, MATCH_C_JAL, MASK_C_JAL)
-DECLARE_INSN(c_li, MATCH_C_LI, MASK_C_LI)
-DECLARE_INSN(c_lui, MATCH_C_LUI, MASK_C_LUI)
 DECLARE_INSN(c_slli, MATCH_C_SLLI, MASK_C_SLLI)
 DECLARE_INSN(c_fldsp, MATCH_C_FLDSP, MASK_C_FLDSP)
 DECLARE_INSN(c_lwsp, MATCH_C_LWSP, MASK_C_LWSP)