@@ -3810,7 +3810,6 @@ 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 = tcg_temp_new_i32();
if ((insn & (1 << 23)) == 0) {
/* Load store all elements. */
op = (insn >> 8) & 0xf;
@@ -3822,6 +3821,7 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn)
spacing = neon_ls_element_type[op].spacing;
if (size == 3 && (interleave | spacing) != 1)
return 1;
+ addr = tcg_temp_new_i32();
load_reg_var(s, addr, rn);
stride = (1 << size) * interleave;
for (reg = 0; reg < nregs; reg++) {
@@ -3907,6 +3907,7 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn)
}
rd += spacing;
}
+ tcg_temp_free_i32(addr);
stride = nregs * 8;
} else {
size = (insn >> 10) & 3;
@@ -3932,6 +3933,7 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn)
if (nregs == 3 && a == 1) {
return 1;
}
+ addr = tcg_temp_new_i32();
load_reg_var(s, addr, rn);
if (nregs == 1) {
/* VLD1 to all lanes: bit 5 indicates how many Dregs to write */
@@ -3955,6 +3957,7 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn)
rd += stride;
}
}
+ tcg_temp_free_i32(addr);
stride = (1 << size) * nregs;
} else {
/* Single element. */
@@ -3976,6 +3979,7 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn)
abort();
}
nregs = ((insn >> 8) & 3) + 1;
+ addr = tcg_temp_new_i32();
load_reg_var(s, addr, rn);
for (reg = 0; reg < nregs; reg++) {
if (load) {
@@ -4017,10 +4021,10 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn)
rd += stride;
tcg_gen_addi_i32(addr, addr, 1 << size);
}
+ tcg_temp_free_i32(addr);
stride = nregs * (1 << size);
}
}
- tcg_temp_free_i32(addr);
if (rm != 15) {
TCGv base;
Move the allocation and freeing of the TCG temp used for the address for Neon load/store instructions so that we don't allocate the temporary until we've done enough decoding to know that the instruction is not an UNDEF pattern; this avoids leaking the TCG temp in these cases. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target-arm/translate.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-)