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authorRichard Henderson <richard.henderson@linaro.org>2018-02-20 10:04:14 -0800
committerRichard Henderson <richard.henderson@linaro.org>2018-05-14 14:54:24 -0700
commit6ad216abfd40a781f202b1f7c61a5fdc4d6710bc (patch)
treedd9a788a44ae9dfac6f174934eec4bf6a21b89a5 /target/openrisc/insns.decode
parent8816f70b9372f3731d4c0810ab9bdd63b2eafd3b (diff)
target/openrisc: Convert dec_calc
Acked-by: Stafford Horne <shorne@gmail.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/openrisc/insns.decode')
-rw-r--r--target/openrisc/insns.decode76
1 files changed, 56 insertions, 20 deletions
diff --git a/target/openrisc/insns.decode b/target/openrisc/insns.decode
index 247a2e14f2..20f035f488 100644
--- a/target/openrisc/insns.decode
+++ b/target/openrisc/insns.decode
@@ -17,6 +17,10 @@
# License along with this library; if not, see <http://www.gnu.org/licenses/>.
#
+&dab d a b
+&da d a
+&ab a b
+
####
# System Instructions
####
@@ -27,7 +31,7 @@ l_msync 001000 1000000000 00000000 00000000
l_psync 001000 1010000000 00000000 00000000
l_csync 001000 1100000000 00000000 00000000
-l_rfe 001001 ----- ----- -------- --------
+l_rfe 001001 ----- ----- -------- --------
####
# Branch Instructions
@@ -60,32 +64,64 @@ l_lbs 100100 ..... ..... ........ ........ @load
l_lhz 100101 ..... ..... ........ ........ @load
l_lhs 100110 ..... ..... ........ ........ @load
-l_swa 110011 ..... ..... ..... ........... @store
-l_sw 110101 ..... ..... ..... ........... @store
-l_sb 110110 ..... ..... ..... ........... @store
-l_sh 110111 ..... ..... ..... ........... @store
+l_swa 110011 ..... ..... ..... ........... @store
+l_sw 110101 ..... ..... ..... ........... @store
+l_sb 110110 ..... ..... ..... ........... @store
+l_sh 110111 ..... ..... ..... ........... @store
####
# Immediate Operand Instructions
####
-%mtspr_k 21:5 0:11
+%mtspr_k 21:5 0:11
+
+&rri d a i
+&rrk d a k
+@rri ...... d:5 a:5 i:s16 &rri
+@rrk ...... d:5 a:5 k:16 &rrk
+
+l_nop 000101 01--- ----- k:16
-&rri d a i
-&rrk d a k
-@rri ...... d:5 a:5 i:s16 &rri
-@rrk ...... d:5 a:5 k:16 &rrk
+l_addi 100111 ..... ..... ........ ........ @rri
+l_addic 101000 ..... ..... ........ ........ @rri
+l_andi 101001 ..... ..... ........ ........ @rrk
+l_ori 101010 ..... ..... ........ ........ @rrk
+l_xori 101011 ..... ..... ........ ........ @rri
+l_muli 101100 ..... ..... ........ ........ @rri
-l_nop 000101 01--- ----- k:16
+l_mfspr 101101 ..... ..... ........ ........ @rrk
+l_mtspr 110000 ..... a:5 b:5 ........... k=%mtspr_k
-l_addi 100111 ..... ..... ........ ........ @rri
-l_addic 101000 ..... ..... ........ ........ @rri
-l_andi 101001 ..... ..... ........ ........ @rrk
-l_ori 101010 ..... ..... ........ ........ @rrk
-l_xori 101011 ..... ..... ........ ........ @rri
-l_muli 101100 ..... ..... ........ ........ @rri
+l_maci 010011 ----- a:5 i:s16
-l_mfspr 101101 ..... ..... ........ ........ @rrk
-l_mtspr 110000 ..... a:5 b:5 ........... k=%mtspr_k
+####
+# Arithmetic Instructions
+####
-l_maci 010011 ----- a:5 i:s16
+l_exths 111000 d:5 a:5 ----- - 0000 -- 1100
+l_extbs 111000 d:5 a:5 ----- - 0001 -- 1100
+l_exthz 111000 d:5 a:5 ----- - 0010 -- 1100
+l_extbz 111000 d:5 a:5 ----- - 0011 -- 1100
+
+l_add 111000 d:5 a:5 b:5 - 00 ---- 0000
+l_addc 111000 d:5 a:5 b:5 - 00 ---- 0001
+l_sub 111000 d:5 a:5 b:5 - 00 ---- 0010
+l_and 111000 d:5 a:5 b:5 - 00 ---- 0011
+l_or 111000 d:5 a:5 b:5 - 00 ---- 0100
+l_xor 111000 d:5 a:5 b:5 - 00 ---- 0101
+l_cmov 111000 d:5 a:5 b:5 - 00 ---- 1110
+l_ff1 111000 d:5 a:5 ----- - 00 ---- 1111
+l_fl1 111000 d:5 a:5 ----- - 01 ---- 1111
+
+l_sll 111000 d:5 a:5 b:5 - 0000 -- 1000
+l_srl 111000 d:5 a:5 b:5 - 0001 -- 1000
+l_sra 111000 d:5 a:5 b:5 - 0010 -- 1000
+l_ror 111000 d:5 a:5 b:5 - 0011 -- 1000
+
+l_mul 111000 d:5 a:5 b:5 - 11 ---- 0110
+l_mulu 111000 d:5 a:5 b:5 - 11 ---- 1011
+l_div 111000 d:5 a:5 b:5 - 11 ---- 1001
+l_divu 111000 d:5 a:5 b:5 - 11 ---- 1010
+
+l_muld 111000 ----- a:5 b:5 - 11 ---- 0111
+l_muldu 111000 ----- a:5 b:5 - 11 ---- 1100