From a5f329c88265a09674d47ef89db4ad2188c88636 Mon Sep 17 00:00:00 2001
From: Andrew Waterman <waterman@cs.berkeley.edu>
Date: Sun, 31 May 2015 23:23:36 -0700
Subject: RVC v1.7 encoding

---
 opcodes-rvc | 55 ++++++++++++++++++++++++++++++++++---------------------
 1 file changed, 34 insertions(+), 21 deletions(-)

(limited to 'opcodes-rvc')

diff --git a/opcodes-rvc b/opcodes-rvc
index 720d1ba..36dcdd4 100644
--- a/opcodes-rvc
+++ b/opcodes-rvc
@@ -1,24 +1,37 @@
 # compressed instructions
-c.li      1..0=0 15..13=0 12=ignore 11..2=ignore
-c.lui     1..0=0 15..13=1 12=ignore 11..2=ignore
-c.addi    1..0=0 15..13=4 12=ignore 11..2=ignore
-c.addiw   1..0=0 15..13=7 12=ignore 11..2=ignore
-c.slli    1..0=0 15..13=6 12=ignore 11..2=ignore
-c.addi4   1..0=0 15..13=5 12=ignore 11..2=ignore
-c.mv      1..0=0 15..13=2 12=0      11..2=ignore
-c.jalr    1..0=0 15..13=2 12=1      11..2=ignore
-c.add     1..0=0 15..13=3 12=0      11..2=ignore
-c.addw    1..0=0 15..13=3 12=1      11..2=ignore
 
-c.lw      1..0=1 15..13=0 12=ignore 11..2=ignore
-c.sw      1..0=1 15..13=2 12=ignore 11..2=ignore
-c.ld      1..0=1 15..13=1 12=ignore 11..2=ignore
-c.sd      1..0=1 15..13=3 12=ignore 11..2=ignore
-c.lwsp    1..0=1 15..13=4 12=ignore 11..2=ignore
-c.ldsp    1..0=1 15..13=6 12=ignore 11..2=ignore
-c.swsp    1..0=1 15..13=5 12=ignore 11..2=ignore
-c.sdsp    1..0=1 15..13=7 12=ignore 11..2=ignore
+# C0 encoding space
+c.mv      1..0=0 15..13=0 12=0      11..2=ignore
+c.add     1..0=0 15..13=0 12=1      11..2=ignore # c.ebreak when rd=0, rs2=0
+c.srai    1..0=0 15..13=1 12=ignore 11..2=ignore
+c.sw      1..0=0 15..13=2 12=ignore 11..2=ignore
+c.sd      1..0=0 15..13=3 12=ignore 11..2=ignore
+c.sub     1..0=0 15..13=4 12=0      11..2=ignore
+c.addw    1..0=0 15..13=4 12=1      11..2=ignore
+c.add3    1..0=0 15..13=5 12..7=ignore 6..5=0 4..2=ignore
+c.sub3    1..0=0 15..13=5 12..7=ignore 6..5=1 4..2=ignore
+c.or3     1..0=0 15..13=5 12..7=ignore 6..5=2 4..2=ignore
+c.and3    1..0=0 15..13=5 12..7=ignore 6..5=3 4..2=ignore
+c.lw      1..0=0 15..13=6 12=ignore 11..2=ignore
+c.ld      1..0=0 15..13=7 12=ignore 11..2=ignore
 
-c.beqz    1..0=2 15..13=1 12=ignore 11..2=ignore
-c.bnez    1..0=2 15..13=3 12=ignore 11..2=ignore
-c.j       1..0=2 15..13=5 12=ignore 11..2=ignore
+
+# C1 encoding space
+c.slli     1..0=1 15..13=0 12=ignore 11..2=ignore
+c.srli     1..0=1 15..13=1 12=ignore 11..2=ignore
+c.swsp     1..0=1 15..13=2 12=ignore 11..2=ignore
+c.sdsp     1..0=1 15..13=3 12=ignore 11..2=ignore
+c.slliw    1..0=1 15..13=4 12=ignore 11..2=ignore
+c.addi4spn 1..0=1 15..13=5 12=ignore 11..2=ignore
+c.lwsp     1..0=1 15..13=6 12=ignore 11..2=ignore
+c.ldsp     1..0=1 15..13=7 12=ignore 11..2=ignore
+
+# C2 encoding space
+c.j        1..0=2 15..13=0 12=ignore 11..2=ignore
+c.jal      1..0=2 15..13=1 12=ignore 11..2=ignore
+c.beqz     1..0=2 15..13=2 12=ignore 11..2=ignore
+c.bnez     1..0=2 15..13=3 12=ignore 11..2=ignore
+c.li       1..0=2 15..13=4 12=ignore 11..2=ignore # c.jr when simm=0
+c.lui      1..0=2 15..13=5 12=ignore 11..2=ignore # c.jalr when simm=0
+c.addi     1..0=2 15..13=6 12=ignore 11..2=ignore # c.addi16sp when rd=0
+c.addiw    1..0=2 15..13=7 12=ignore 11..2=ignore
-- 
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