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qemu/target/microblaze/insns.decode

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target/microblaze: Add decodetree infrastructure The new interface is a stub that recognizes no instructions. It falls back to the old decoder for all instructions. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 00:42:44 +08:00
#
# MicroBlaze instruction decode definitions.
#
# Copyright (c) 2020 Richard Henderson <rth@twiddle.net>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, see <http://www.gnu.org/licenses/>.
#
target/microblaze: Convert dec_add to decodetree Adds infrastrucure for translation of instructions, which could not be added before their first use. Cache a temporary which represents r0 as the immediate 0 value, or a sink. Move the special case of opcode_0_illegal from old_decode() into decodetree as well, lest this get interpreted as add. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 13:17:58 +08:00
target/microblaze: Convert dec_bit to decodetree Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 23:13:35 +08:00
&typea0 rd ra
target/microblaze: Convert dec_add to decodetree Adds infrastrucure for translation of instructions, which could not be added before their first use. Cache a temporary which represents r0 as the immediate 0 value, or a sink. Move the special case of opcode_0_illegal from old_decode() into decodetree as well, lest this get interpreted as add. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 13:17:58 +08:00
&typea rd ra rb
target/microblaze: Convert brk and brki to decodetree Split these out of the normal branch instructions, as they require special handling. Perform the entire operation inline, instead of raising EXCP_BREAK to do the work in mb_cpu_do_interrupt. This fixes a bug in that brki rd, imm, for imm != 0x18 is not supposed to set MSR_BIP. This fixes a bug in that imm == 0 is the reset vector and 0x18 is the debug vector, and neither should raise a tcg exception in system mode. Introduce EXCP_SYSCALL for microblaze-linux-user. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-24 00:17:22 +08:00
&typea_br rd rb
target/microblaze: Convert dec_add to decodetree Adds infrastrucure for translation of instructions, which could not be added before their first use. Cache a temporary which represents r0 as the immediate 0 value, or a sink. Move the special case of opcode_0_illegal from old_decode() into decodetree as well, lest this get interpreted as add. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 13:17:58 +08:00
&typeb rd ra imm
target/microblaze: Convert brk and brki to decodetree Split these out of the normal branch instructions, as they require special handling. Perform the entire operation inline, instead of raising EXCP_BREAK to do the work in mb_cpu_do_interrupt. This fixes a bug in that brki rd, imm, for imm != 0x18 is not supposed to set MSR_BIP. This fixes a bug in that imm == 0 is the reset vector and 0x18 is the debug vector, and neither should raise a tcg exception in system mode. Introduce EXCP_SYSCALL for microblaze-linux-user. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-24 00:17:22 +08:00
&typeb_br rd imm
target/microblaze: Convert dec_add to decodetree Adds infrastrucure for translation of instructions, which could not be added before their first use. Cache a temporary which represents r0 as the immediate 0 value, or a sink. Move the special case of opcode_0_illegal from old_decode() into decodetree as well, lest this get interpreted as add. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 13:17:58 +08:00
# Include any IMM prefix in the value reported.
%extimm 0:s16 !function=typeb_imm
@typea ...... rd:5 ra:5 rb:5 ... .... .... &typea
@typeb ...... rd:5 ra:5 ................ &typeb imm=%extimm
target/microblaze: Convert dec_bit to decodetree Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 23:13:35 +08:00
# Officially typea, but with rb==0, which is not used.
@typea0 ...... rd:5 ra:5 ................ &typea0
target/microblaze: Convert brk and brki to decodetree Split these out of the normal branch instructions, as they require special handling. Perform the entire operation inline, instead of raising EXCP_BREAK to do the work in mb_cpu_do_interrupt. This fixes a bug in that brki rd, imm, for imm != 0x18 is not supposed to set MSR_BIP. This fixes a bug in that imm == 0 is the reset vector and 0x18 is the debug vector, and neither should raise a tcg exception in system mode. Introduce EXCP_SYSCALL for microblaze-linux-user. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-24 00:17:22 +08:00
# Officially typea, but with ra as opcode.
@typea_br ...... rd:5 ..... rb:5 ........... &typea_br
target/microblaze: Convert dec_barrel to decodetree Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 23:47:38 +08:00
# Officially typeb, but any immediate extension is unused.
@typeb_bs ...... rd:5 ra:5 ..... ...... imm:5 &typeb
target/microblaze: Convert brk and brki to decodetree Split these out of the normal branch instructions, as they require special handling. Perform the entire operation inline, instead of raising EXCP_BREAK to do the work in mb_cpu_do_interrupt. This fixes a bug in that brki rd, imm, for imm != 0x18 is not supposed to set MSR_BIP. This fixes a bug in that imm == 0 is the reset vector and 0x18 is the debug vector, and neither should raise a tcg exception in system mode. Introduce EXCP_SYSCALL for microblaze-linux-user. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-24 00:17:22 +08:00
# Officially typeb, but with ra as opcode.
@typeb_br ...... rd:5 ..... ................ &typeb_br imm=%extimm
target/microblaze: Convert dec_barrel to decodetree Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 23:47:38 +08:00
# For convenience, extract the two imm_w/imm_s fields, then pack
# them back together as "imm". Doing this makes it easiest to
# match the required zero at bit 5.
%ieimm 6:5 0:5
@typeb_ie ...... rd:5 ra:5 ..... ..... . ..... &typeb imm=%ieimm
target/microblaze: Convert dec_add to decodetree Adds infrastrucure for translation of instructions, which could not be added before their first use. Cache a temporary which represents r0 as the immediate 0 value, or a sink. Move the special case of opcode_0_illegal from old_decode() into decodetree as well, lest this get interpreted as add. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 13:17:58 +08:00
###
{
zero 000000 00000 00000 00000 000 0000 0000
add 000000 ..... ..... ..... 000 0000 0000 @typea
}
addc 000010 ..... ..... ..... 000 0000 0000 @typea
addk 000100 ..... ..... ..... 000 0000 0000 @typea
addkc 000110 ..... ..... ..... 000 0000 0000 @typea
addi 001000 ..... ..... ................ @typeb
addic 001010 ..... ..... ................ @typeb
addik 001100 ..... ..... ................ @typeb
addikc 001110 ..... ..... ................ @typeb
target/microblaze: Convert dec_sub to decodetree Use tcg_gen_add2_i32 for computing carry. This removes the last use of helper_carry, so remove that. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 02:29:24 +08:00
target/microblaze: Convert dec_and, dec_or, dec_xor to decodetree Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 06:12:55 +08:00
and 100001 ..... ..... ..... 000 0000 0000 @typea
andi 101001 ..... ..... ................ @typeb
andn 100011 ..... ..... ..... 000 0000 0000 @typea
andni 101011 ..... ..... ................ @typeb
target/microblaze: Convert dec_br to decodetree Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-25 08:38:04 +08:00
br 100110 ..... 00000 ..... 000 0000 0000 @typea_br
bra 100110 ..... 01000 ..... 000 0000 0000 @typea_br
brd 100110 ..... 10000 ..... 000 0000 0000 @typea_br
brad 100110 ..... 11000 ..... 000 0000 0000 @typea_br
brld 100110 ..... 10100 ..... 000 0000 0000 @typea_br
brald 100110 ..... 11100 ..... 000 0000 0000 @typea_br
bri 101110 ..... 00000 ................ @typeb_br
brai 101110 ..... 01000 ................ @typeb_br
brid 101110 ..... 10000 ................ @typeb_br
braid 101110 ..... 11000 ................ @typeb_br
brlid 101110 ..... 10100 ................ @typeb_br
bralid 101110 ..... 11100 ................ @typeb_br
target/microblaze: Convert brk and brki to decodetree Split these out of the normal branch instructions, as they require special handling. Perform the entire operation inline, instead of raising EXCP_BREAK to do the work in mb_cpu_do_interrupt. This fixes a bug in that brki rd, imm, for imm != 0x18 is not supposed to set MSR_BIP. This fixes a bug in that imm == 0 is the reset vector and 0x18 is the debug vector, and neither should raise a tcg exception in system mode. Introduce EXCP_SYSCALL for microblaze-linux-user. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-24 00:17:22 +08:00
brk 100110 ..... 01100 ..... 000 0000 0000 @typea_br
brki 101110 ..... 01100 ................ @typeb_br
target/microblaze: Convert dec_barrel to decodetree Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 23:47:38 +08:00
bsrl 010001 ..... ..... ..... 000 0000 0000 @typea
bsra 010001 ..... ..... ..... 010 0000 0000 @typea
bsll 010001 ..... ..... ..... 100 0000 0000 @typea
bsrli 011001 ..... ..... 00000 000000 ..... @typeb_bs
bsrai 011001 ..... ..... 00000 010000 ..... @typeb_bs
bslli 011001 ..... ..... 00000 100000 ..... @typeb_bs
bsefi 011001 ..... ..... 01000 .....0 ..... @typeb_ie
bsifi 011001 ..... ..... 10000 .....0 ..... @typeb_ie
target/microblaze: Convert dec_bit to decodetree Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 23:13:35 +08:00
clz 100100 ..... ..... 00000 000 1110 0000 @typea0
target/microblaze: Convert dec_sub to decodetree Use tcg_gen_add2_i32 for computing carry. This removes the last use of helper_carry, so remove that. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 02:29:24 +08:00
cmp 000101 ..... ..... ..... 000 0000 0001 @typea
cmpu 000101 ..... ..... ..... 000 0000 0011 @typea
target/microblaze: Convert dec_fpu to decodetree The current dec_check_fpuv2 test, raising an FPU exception for an unimplemented instruction, appears to be contradictory to the manual. Drop that and merely check use_fpu == 2. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-20 00:04:09 +08:00
fadd 010110 ..... ..... ..... 0000 000 0000 @typea
frsub 010110 ..... ..... ..... 0001 000 0000 @typea
fmul 010110 ..... ..... ..... 0010 000 0000 @typea
fdiv 010110 ..... ..... ..... 0011 000 0000 @typea
fcmp_un 010110 ..... ..... ..... 0100 000 0000 @typea
fcmp_lt 010110 ..... ..... ..... 0100 001 0000 @typea
fcmp_eq 010110 ..... ..... ..... 0100 010 0000 @typea
fcmp_le 010110 ..... ..... ..... 0100 011 0000 @typea
fcmp_gt 010110 ..... ..... ..... 0100 100 0000 @typea
fcmp_ne 010110 ..... ..... ..... 0100 101 0000 @typea
fcmp_ge 010110 ..... ..... ..... 0100 110 0000 @typea
# Note that flt and fint, unlike fsqrt, are documented as having the RB
# operand which is unused. So allow the field to be non-zero but discard
# the value and treat as 2-operand insns.
flt 010110 ..... ..... ----- 0101 000 0000 @typea0
fint 010110 ..... ..... ----- 0110 000 0000 @typea0
fsqrt 010110 ..... ..... 00000 0111 000 0000 @typea0
target/microblaze: Convert dec_div to decodetree Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 14:03:10 +08:00
idiv 010010 ..... ..... ..... 000 0000 0000 @typea
idivu 010010 ..... ..... ..... 000 0000 0010 @typea
target/microblaze: Convert dec_imm to decodetree Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-19 01:22:18 +08:00
imm 101100 00000 00000 imm:16
target/microblaze: Convert dec_load and dec_store to decodetree Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-20 08:38:44 +08:00
lbu 110000 ..... ..... ..... 0000 000 0000 @typea
lbur 110000 ..... ..... ..... 0100 000 0000 @typea
lbuea 110000 ..... ..... ..... 0001 000 0000 @typea
lbui 111000 ..... ..... ................ @typeb
lhu 110001 ..... ..... ..... 0000 000 0000 @typea
lhur 110001 ..... ..... ..... 0100 000 0000 @typea
lhuea 110001 ..... ..... ..... 0001 000 0000 @typea
lhui 111001 ..... ..... ................ @typeb
lw 110010 ..... ..... ..... 0000 000 0000 @typea
lwr 110010 ..... ..... ..... 0100 000 0000 @typea
lwea 110010 ..... ..... ..... 0001 000 0000 @typea
lwx 110010 ..... ..... ..... 1000 000 0000 @typea
lwi 111010 ..... ..... ................ @typeb
target/microblaze: Convert mbar to decodetree Split this out of the normal branch instructions, as it requires special handling. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-24 00:38:15 +08:00
mbar 101110 imm:5 00010 0000 0000 0000 0100
target/microblaze: Convert dec_mul to decodetree Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 13:49:20 +08:00
mul 010000 ..... ..... ..... 000 0000 0000 @typea
mulh 010000 ..... ..... ..... 000 0000 0001 @typea
mulhu 010000 ..... ..... ..... 000 0000 0011 @typea
mulhsu 010000 ..... ..... ..... 000 0000 0010 @typea
muli 011000 ..... ..... ................ @typeb
target/microblaze: Convert dec_and, dec_or, dec_xor to decodetree Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 06:12:55 +08:00
or 100000 ..... ..... ..... 000 0000 0000 @typea
ori 101000 ..... ..... ................ @typeb
target/microblaze: Convert dec_pattern to decodetree Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 05:19:33 +08:00
pcmpbf 100000 ..... ..... ..... 100 0000 0000 @typea
pcmpeq 100010 ..... ..... ..... 100 0000 0000 @typea
pcmpne 100011 ..... ..... ..... 100 0000 0000 @typea
target/microblaze: Convert dec_sub to decodetree Use tcg_gen_add2_i32 for computing carry. This removes the last use of helper_carry, so remove that. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 02:29:24 +08:00
rsub 000001 ..... ..... ..... 000 0000 0000 @typea
rsubc 000011 ..... ..... ..... 000 0000 0000 @typea
rsubk 000101 ..... ..... ..... 000 0000 0000 @typea
rsubkc 000111 ..... ..... ..... 000 0000 0000 @typea
rsubi 001001 ..... ..... ................ @typeb
rsubic 001011 ..... ..... ................ @typeb
rsubik 001101 ..... ..... ................ @typeb
rsubikc 001111 ..... ..... ................ @typeb
target/microblaze: Convert dec_and, dec_or, dec_xor to decodetree Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 06:12:55 +08:00
target/microblaze: Convert dec_load and dec_store to decodetree Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-20 08:38:44 +08:00
sb 110100 ..... ..... ..... 0000 000 0000 @typea
sbr 110100 ..... ..... ..... 0100 000 0000 @typea
sbea 110100 ..... ..... ..... 0001 000 0000 @typea
sbi 111100 ..... ..... ................ @typeb
sh 110101 ..... ..... ..... 0000 000 0000 @typea
shr 110101 ..... ..... ..... 0100 000 0000 @typea
shea 110101 ..... ..... ..... 0001 000 0000 @typea
shi 111101 ..... ..... ................ @typeb
sw 110110 ..... ..... ..... 0000 000 0000 @typea
swr 110110 ..... ..... ..... 0100 000 0000 @typea
swea 110110 ..... ..... ..... 0001 000 0000 @typea
swx 110110 ..... ..... ..... 1000 000 0000 @typea
swi 111110 ..... ..... ................ @typeb
target/microblaze: Convert dec_bit to decodetree Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 23:13:35 +08:00
sext8 100100 ..... ..... 00000 000 0110 0000 @typea0
sext16 100100 ..... ..... 00000 000 0110 0001 @typea0
sra 100100 ..... ..... 00000 000 0000 0001 @typea0
src 100100 ..... ..... 00000 000 0010 0001 @typea0
srl 100100 ..... ..... 00000 000 0100 0001 @typea0
swapb 100100 ..... ..... 00000 001 1110 0000 @typea0
swaph 100100 ..... ..... 00000 001 1110 0010 @typea0
# Cache operations have no effect in qemu: discard the arguments.
wdic 100100 00000 ----- ----- -00 -11- 01-0 # wdc
wdic 100100 00000 ----- ----- 000 0110 1000 # wic
target/microblaze: Convert dec_and, dec_or, dec_xor to decodetree Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-08-18 06:12:55 +08:00
xor 100010 ..... ..... ..... 000 0000 0000 @typea
xori 101010 ..... ..... ................ @typeb