From ba8498f052fda83eda73fd3563f3a160a2ec10d7 Mon Sep 17 00:00:00 2001
From: Andrew Waterman <waterman@cs.berkeley.edu>
Date: Mon, 30 Mar 2015 18:20:46 -0700
Subject: RVC draft

---
 opcodes-rvc | 58 +++++++++++++++++++++-------------------------------------
 1 file changed, 21 insertions(+), 37 deletions(-)

(limited to 'opcodes-rvc')

diff --git a/opcodes-rvc b/opcodes-rvc
index 98f5b99..720d1ba 100644
--- a/opcodes-rvc
+++ b/opcodes-rvc
@@ -1,40 +1,24 @@
 # compressed instructions
-c.li      cimm6    crd   4..0=0
-c.addi    cimm6    crd   4..0=1
-c.addiw   cimm6    crd   4..0=29
-c.ldsp    cimm6    crd   4..0=4
-c.lwsp    cimm6    crd   4..0=5
-c.sdsp    cimm6    crd   4..0=6
-c.swsp    cimm6    crd   4..0=8
+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.lw0 15=0 crs1    crd   4..0=18
-c.ld0 15=1 crs1    crd   4..0=18
-c.add 15=0 crs1    crd   4..0=26
-c.sub 15=1 crs1    crd   4..0=26
-c.move 15=0 crs1   crd   4..0=2
+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
 
-c.j    15=1   cimm10     4..0=2
-
-c.ld   crds  crs1s cimm5 4..0=9
-c.lw   crds  crs1s cimm5 4..0=10
-c.sd   crs2s crs1s cimm5 4..0=12
-c.sw   crs2s crs1s cimm5 4..0=13
-c.beq  crs2s crs1s cimm5 4..0=16
-c.bne  crs2s crs1s cimm5 4..0=17
-c.flw  crds  crs1s cimm5 4..0=20
-c.fld  crds  crs1s cimm5 4..0=21
-c.fsw  crs2s crs1s cimm5 4..0=22
-c.fsd  crs2s crs1s cimm5 4..0=24
-
-c.slli   crds 12..10=0 cimm5 4..0=25
-c.slli32 crds 12..10=1 cimm5 4..0=25
-c.srli   crds 12..10=2 cimm5 4..0=25
-c.srli32 crds 12..10=3 cimm5 4..0=25
-c.srai   crds 12..10=4 cimm5 4..0=25
-c.srai32 crds 12..10=5 cimm5 4..0=25
-c.slliw  crds 12..10=6 cimm5 4..0=25
-
-c.add3 crds crs1s 9..8=0 crs2bs 4..0=28
-c.sub3 crds crs1s 9..8=1 crs2bs 4..0=28
-c.or3  crds crs1s 9..8=2 crs2bs 4..0=28
-c.and3 crds crs1s 9..8=3 crs2bs 4..0=28
+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
-- 
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