mirrors/qemu
0
0
Fork 0
mirror of https://github.com/qemu/qemu.git synced 2024-11-24 19:33:39 +08:00
Code Issues Packages Projects Releases Wiki Activity

target-arm: convert disas_neon_ls_insn not to use cpu_T

Browse Source 
Signed-off-by: Filip Navara <filip.navara@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Filip Navara 2009-10-15 13:07:21 +02:00 committed by Aurelien Jarno
parent dd8fbd787e
commit 1b2b1e547b
1 changed files with 34 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

67
target-arm/translate.c
View File

@ -3764,6 +3764,7 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn)
int load;
int shift;
int n;
TCGv addr;
TCGv tmp;
TCGv tmp2;
@ -3773,6 +3774,7 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn)
rn = (insn >> 16) & 0xf;
rm = insn & 0xf;
load = (insn & (1 << 21)) != 0;
addr = new_tmp();
if ((insn & (1 << 23)) == 0) {
/* Load store all elements. */
op = (insn >> 8) & 0xf;
@ -3781,32 +3783,30 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn)
return 1;
nregs = neon_ls_element_type[op].nregs;
interleave = neon_ls_element_type[op].interleave;
gen_movl_T1_reg(s, rn);
tcg_gen_mov_i32(addr, cpu_R[rn]);
stride = (1 << size) * interleave;
for (reg = 0; reg < nregs; reg++) {
if (interleave > 2 || (interleave == 2 && nregs == 2)) {
gen_movl_T1_reg(s, rn);
gen_op_addl_T1_im((1 << size) * reg);
tcg_gen_addi_i32(addr, cpu_R[rn], (1 << size) * reg);
} else if (interleave == 2 && nregs == 4 && reg == 2) {
gen_movl_T1_reg(s, rn);
gen_op_addl_T1_im(1 << size);
tcg_gen_addi_i32(addr, cpu_R[rn], 1 << size);
}
for (pass = 0; pass < 2; pass++) {
if (size == 2) {
if (load) {
tmp = gen_ld32(cpu_T[1], IS_USER(s));
tmp = gen_ld32(addr, IS_USER(s));
neon_store_reg(rd, pass, tmp);
} else {
tmp = neon_load_reg(rd, pass);
gen_st32(tmp, cpu_T[1], IS_USER(s));
gen_st32(tmp, addr, IS_USER(s));
}
gen_op_addl_T1_im(stride);
tcg_gen_addi_i32(addr, addr, stride);
} else if (size == 1) {
if (load) {
tmp = gen_ld16u(cpu_T[1], IS_USER(s));
gen_op_addl_T1_im(stride);
tmp2 = gen_ld16u(cpu_T[1], IS_USER(s));
gen_op_addl_T1_im(stride);
tmp = gen_ld16u(addr, IS_USER(s));
tcg_gen_addi_i32(addr, addr, stride);
tmp2 = gen_ld16u(addr, IS_USER(s));
tcg_gen_addi_i32(addr, addr, stride);
gen_bfi(tmp, tmp, tmp2, 16, 0xffff);
dead_tmp(tmp2);
neon_store_reg(rd, pass, tmp);
@ -3814,17 +3814,17 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn)
tmp = neon_load_reg(rd, pass);
tmp2 = new_tmp();
tcg_gen_shri_i32(tmp2, tmp, 16);
gen_st16(tmp, cpu_T[1], IS_USER(s));
gen_op_addl_T1_im(stride);
gen_st16(tmp2, cpu_T[1], IS_USER(s));
gen_op_addl_T1_im(stride);
gen_st16(tmp, addr, IS_USER(s));
tcg_gen_addi_i32(addr, addr, stride);
gen_st16(tmp2, addr, IS_USER(s));
tcg_gen_addi_i32(addr, addr, stride);
}
} else /* size == 0 */ {
if (load) {
TCGV_UNUSED(tmp2);
for (n = 0; n < 4; n++) {
tmp = gen_ld8u(cpu_T[1], IS_USER(s));
gen_op_addl_T1_im(stride);
tmp = gen_ld8u(addr, IS_USER(s));
tcg_gen_addi_i32(addr, addr, stride);
if (n == 0) {
tmp2 = tmp;
} else {
@ -3842,8 +3842,8 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn)
} else {
tcg_gen_shri_i32(tmp, tmp2, n * 8);
}
gen_st8(tmp, cpu_T[1], IS_USER(s));
gen_op_addl_T1_im(stride);
gen_st8(tmp, addr, IS_USER(s));
tcg_gen_addi_i32(addr, addr, stride);
}
dead_tmp(tmp2);
}
@ -3861,26 +3861,26 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn)
size = (insn >> 6) & 3;
nregs = ((insn >> 8) & 3) + 1;
stride = (insn & (1 << 5)) ? 2 : 1;
gen_movl_T1_reg(s, rn);
tcg_gen_mov_i32(addr, cpu_R[rn]);
for (reg = 0; reg < nregs; reg++) {
switch (size) {
case 0:
tmp = gen_ld8u(cpu_T[1], IS_USER(s));
tmp = gen_ld8u(addr, IS_USER(s));
gen_neon_dup_u8(tmp, 0);
break;
case 1:
tmp = gen_ld16u(cpu_T[1], IS_USER(s));
tmp = gen_ld16u(addr, IS_USER(s));
gen_neon_dup_low16(tmp);
break;
case 2:
tmp = gen_ld32(cpu_T[0], IS_USER(s));
tmp = gen_ld32(addr, IS_USER(s));
break;
case 3:
return 1;
default: /* Avoid compiler warnings. */
abort();
}
gen_op_addl_T1_im(1 << size);
tcg_gen_addi_i32(addr, addr, 1 << size);
tmp2 = new_tmp();
tcg_gen_mov_i32(tmp2, tmp);
neon_store_reg(rd, 0, tmp2);
@ -3908,18 +3908,18 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn)
abort();
}
nregs = ((insn >> 8) & 3) + 1;
gen_movl_T1_reg(s, rn);
tcg_gen_mov_i32(addr, cpu_R[rn]);
for (reg = 0; reg < nregs; reg++) {
if (load) {
switch (size) {
case 0:
tmp = gen_ld8u(cpu_T[1], IS_USER(s));
tmp = gen_ld8u(addr, IS_USER(s));
break;
case 1:
tmp = gen_ld16u(cpu_T[1], IS_USER(s));
tmp = gen_ld16u(addr, IS_USER(s));
break;
case 2:
tmp = gen_ld32(cpu_T[1], IS_USER(s));
tmp = gen_ld32(addr, IS_USER(s));
break;
default: /* Avoid compiler warnings. */
abort();
@ -3936,22 +3936,23 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn)
tcg_gen_shri_i32(tmp, tmp, shift);
switch (size) {
case 0:
gen_st8(tmp, cpu_T[1], IS_USER(s));
gen_st8(tmp, addr, IS_USER(s));
break;
case 1:
gen_st16(tmp, cpu_T[1], IS_USER(s));
gen_st16(tmp, addr, IS_USER(s));
break;
case 2:
gen_st32(tmp, cpu_T[1], IS_USER(s));
gen_st32(tmp, addr, IS_USER(s));
break;
}
}
rd += stride;
gen_op_addl_T1_im(1 << size);
tcg_gen_addi_i32(addr, addr, 1 << size);
}
stride = nregs * (1 << size);
}
}
dead_tmp(addr);
if (rm != 15) {
TCGv base;