motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-11 03:24:58 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

target/microblaze: Convert dec_and, dec_or, dec_xor to decodetree

Browse source 
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>
This commit is contained in:
Richard Henderson 2020-08-17 15:12:55 -07:00
parent 607f576762
commit cb0a0a4c86
2 changed files with 28 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

12
target/microblaze/insns.decode
View file

@ -41,9 +41,18 @@ addic 001010 ..... ..... ................ @typeb
addik 001100 ..... ..... ................ @typeb addik 001100 ..... ..... ................ @typeb
addikc 001110 ..... ..... ................ @typeb addikc 001110 ..... ..... ................ @typeb
and 100001 ..... ..... ..... 000 0000 0000 @typea
andi 101001 ..... ..... ................ @typeb
andn 100011 ..... ..... ..... 000 0000 0000 @typea
andni 101011 ..... ..... ................ @typeb
cmp 000101 ..... ..... ..... 000 0000 0001 @typea cmp 000101 ..... ..... ..... 000 0000 0001 @typea
cmpu 000101 ..... ..... ..... 000 0000 0011 @typea cmpu 000101 ..... ..... ..... 000 0000 0011 @typea
or 100000 ..... ..... ..... 000 0000 0000 @typea
ori 101000 ..... ..... ................ @typeb
pcmpbf 100000 ..... ..... ..... 100 0000 0000 @typea pcmpbf 100000 ..... ..... ..... 100 0000 0000 @typea
pcmpeq 100010 ..... ..... ..... 100 0000 0000 @typea pcmpeq 100010 ..... ..... ..... 100 0000 0000 @typea
pcmpne 100011 ..... ..... ..... 100 0000 0000 @typea pcmpne 100011 ..... ..... ..... 100 0000 0000 @typea
@ -57,3 +66,6 @@ rsubi 001001 ..... ..... ................ @typeb
rsubic 001011 ..... ..... ................ @typeb rsubic 001011 ..... ..... ................ @typeb
rsubik 001101 ..... ..... ................ @typeb rsubik 001101 ..... ..... ................ @typeb
rsubikc 001111 ..... ..... ................ @typeb rsubikc 001111 ..... ..... ................ @typeb
xor 100010 ..... ..... ..... 000 0000 0000 @typea
xori 101010 ..... ..... ................ @typeb

46
target/microblaze/translate.c
View file

@ -331,6 +331,16 @@ DO_TYPEBV(addic, true, gen_addc)
DO_TYPEBI(addik, false, tcg_gen_addi_i32) DO_TYPEBI(addik, false, tcg_gen_addi_i32)
DO_TYPEBV(addikc, true, gen_addkc) DO_TYPEBV(addikc, true, gen_addkc)
static void gen_andni(TCGv_i32 out, TCGv_i32 ina, int32_t imm)
{
tcg_gen_andi_i32(out, ina, ~imm);
}
DO_TYPEA(and, false, tcg_gen_and_i32)
DO_TYPEBI(andi, false, tcg_gen_andi_i32)
DO_TYPEA(andn, false, tcg_gen_andc_i32)
DO_TYPEBI(andni, false, gen_andni)
static void gen_cmp(TCGv_i32 out, TCGv_i32 ina, TCGv_i32 inb) static void gen_cmp(TCGv_i32 out, TCGv_i32 ina, TCGv_i32 inb)
{ {
TCGv_i32 lt = tcg_temp_new_i32(); TCGv_i32 lt = tcg_temp_new_i32();
@ -354,6 +364,9 @@ static void gen_cmpu(TCGv_i32 out, TCGv_i32 ina, TCGv_i32 inb)
DO_TYPEA(cmp, false, gen_cmp) DO_TYPEA(cmp, false, gen_cmp)
DO_TYPEA(cmpu, false, gen_cmpu) DO_TYPEA(cmpu, false, gen_cmpu)
DO_TYPEA(or, false, tcg_gen_or_i32)
DO_TYPEBI(ori, false, tcg_gen_ori_i32)
static void gen_pcmpeq(TCGv_i32 out, TCGv_i32 ina, TCGv_i32 inb) static void gen_pcmpeq(TCGv_i32 out, TCGv_i32 ina, TCGv_i32 inb)
{ {
tcg_gen_setcond_i32(TCG_COND_EQ, out, ina, inb); tcg_gen_setcond_i32(TCG_COND_EQ, out, ina, inb);
@ -417,6 +430,9 @@ DO_TYPEBV(rsubic, true, gen_rsubc)
DO_TYPEBV(rsubik, false, gen_rsubk) DO_TYPEBV(rsubik, false, gen_rsubk)
DO_TYPEBV(rsubikc, true, gen_rsubkc) DO_TYPEBV(rsubikc, true, gen_rsubkc)
DO_TYPEA(xor, false, tcg_gen_xor_i32)
DO_TYPEBI(xori, false, tcg_gen_xori_i32)
static bool trans_zero(DisasContext *dc, arg_zero *arg) static bool trans_zero(DisasContext *dc, arg_zero *arg)
{ {
/* If opcode_0_illegal, trap. */ /* If opcode_0_illegal, trap. */
@ -431,33 +447,6 @@ static bool trans_zero(DisasContext *dc, arg_zero *arg)
return false; return false;
} }
static void dec_and(DisasContext *dc)
{
unsigned int not;
not = dc->opcode & (1 << 1);
if (!dc->rd)
return;
if (not) {
tcg_gen_andc_i32(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
} else
tcg_gen_and_i32(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
}
static void dec_or(DisasContext *dc)
{
if (dc->rd)
tcg_gen_or_i32(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
}
static void dec_xor(DisasContext *dc)
{
if (dc->rd)
tcg_gen_xor_i32(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
}
static void msr_read(DisasContext *dc, TCGv_i32 d) static void msr_read(DisasContext *dc, TCGv_i32 d)
{ {
TCGv_i32 t; TCGv_i32 t;
@ -1581,9 +1570,6 @@ static struct decoder_info {
}; };
void (*dec)(DisasContext *dc); void (*dec)(DisasContext *dc);
} decinfo[] = { } decinfo[] = {
{DEC_AND, dec_and},
{DEC_XOR, dec_xor},
{DEC_OR, dec_or},
{DEC_BIT, dec_bit}, {DEC_BIT, dec_bit},
{DEC_BARREL, dec_barrel}, {DEC_BARREL, dec_barrel},
{DEC_LD, dec_load}, {DEC_LD, dec_load},