[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 07/15] target/xtensa: extract test for alloca except
From: |
Max Filippov |
Subject: |
[Qemu-devel] [PATCH 07/15] target/xtensa: extract test for alloca exception |
Date: |
Tue, 4 Sep 2018 18:43:44 -0700 |
- mark movsp instruction;
- put test for alloca exception right after the test for window
underflow;
Signed-off-by: Max Filippov <address@hidden>
---
target/xtensa/translate.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c
index deedd4c973ef..9b59f35a1de7 100644
--- a/target/xtensa/translate.c
+++ b/target/xtensa/translate.c
@@ -1078,6 +1078,13 @@ static void disas_xtensa_insn(CPUXtensaState *env,
DisasContext *dc)
tcg_temp_free(tmp);
}
+ if (op_flags & XTENSA_OP_ALLOCA) {
+ TCGv_i32 tmp = tcg_const_i32(dc->pc);
+
+ gen_helper_movsp(cpu_env, tmp);
+ tcg_temp_free(tmp);
+ }
+
for (slot = 0; slot < slots; ++slot) {
XtensaOpcodeOps *ops = slot_prop[slot].ops;
@@ -1918,10 +1925,7 @@ static void translate_movp(DisasContext *dc, const
uint32_t arg[],
static void translate_movsp(DisasContext *dc, const uint32_t arg[],
const uint32_t par[])
{
- TCGv_i32 pc = tcg_const_i32(dc->pc);
- gen_helper_movsp(cpu_env, pc);
tcg_gen_mov_i32(cpu_R[arg[0]], cpu_R[arg[1]]);
- tcg_temp_free(pc);
}
static void translate_mul16(DisasContext *dc, const uint32_t arg[],
@@ -3062,6 +3066,7 @@ static const XtensaOpcodeOps core_ops[] = {
.name = "movsp",
.translate = translate_movsp,
.windowed_register_op = 0x3,
+ .op_flags = XTENSA_OP_ALLOCA,
}, {
.name = "movt",
.translate = translate_movp,
--
2.11.0
- [Qemu-devel] [PATCH 00/15] target/xtensa: preparation for FLIX support, Max Filippov, 2018/09/04
- [Qemu-devel] [PATCH 03/15] target/xtensa: extract test for syscall instruction, Max Filippov, 2018/09/04
- [Qemu-devel] [PATCH 04/15] target/xtensa: extract test for debug exception, Max Filippov, 2018/09/04
- [Qemu-devel] [PATCH 01/15] target/xtensa: extract test for an illegal instruction, Max Filippov, 2018/09/04
- [Qemu-devel] [PATCH 06/15] target/xtensa: extract test for window underflow exception, Max Filippov, 2018/09/04
- [Qemu-devel] [PATCH 07/15] target/xtensa: extract test for alloca exception,
Max Filippov <=
- [Qemu-devel] [PATCH 02/15] target/xtensa: extract test for privileged instruction, Max Filippov, 2018/09/04
- [Qemu-devel] [PATCH 08/15] target/xtensa: extract test for cpdisabled exception, Max Filippov, 2018/09/04
- [Qemu-devel] [PATCH 09/15] target/xtensa: extract test for division by zero, Max Filippov, 2018/09/04
- [Qemu-devel] [PATCH 10/15] target/xtensa: extract unconditional TB termination, Max Filippov, 2018/09/04
- [Qemu-devel] [PATCH 12/15] target/xtensa: always end TB on CCOUNT access/CCOMPARE write, Max Filippov, 2018/09/04
- [Qemu-devel] [PATCH 13/15] target/xtensa: extract unconditional TB termination via slot 0, Max Filippov, 2018/09/04
- [Qemu-devel] [PATCH 15/15] target/xtensa: extract gen_check_interrupts call, Max Filippov, 2018/09/04
- [Qemu-devel] [PATCH 05/15] target/xtensa: extract test for window overflow exception, Max Filippov, 2018/09/04
- [Qemu-devel] [PATCH 11/15] target/xtensa: change SR number checks to assertions, Max Filippov, 2018/09/04
- [Qemu-devel] [PATCH 14/15] target/xtensa: make rsr/wsr helpers return void, Max Filippov, 2018/09/04