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[PATCH v2 3/7] target/xtensa: use tcg_constant_* for exceptions
From: |
Max Filippov |
Subject: |
[PATCH v2 3/7] target/xtensa: use tcg_constant_* for exceptions |
Date: |
Fri, 22 Apr 2022 04:43:28 -0700 |
Use tcg_contant_* for exception number, exception cause, debug cause
code and exception PC.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
---
Changes v1->v2:
- also use tcg_constant_* for PC
target/xtensa/translate.c | 18 +++++-------------
1 file changed, 5 insertions(+), 13 deletions(-)
diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c
index 53f75f7586b2..e92cc6fbf8c6 100644
--- a/target/xtensa/translate.c
+++ b/target/xtensa/translate.c
@@ -318,18 +318,13 @@ static void gen_left_shift_sar(DisasContext *dc, TCGv_i32
sa)
static void gen_exception(DisasContext *dc, int excp)
{
- TCGv_i32 tmp = tcg_const_i32(excp);
- gen_helper_exception(cpu_env, tmp);
- tcg_temp_free(tmp);
+ gen_helper_exception(cpu_env, tcg_constant_i32(excp));
}
static void gen_exception_cause(DisasContext *dc, uint32_t cause)
{
- TCGv_i32 tpc = tcg_const_i32(dc->pc);
- TCGv_i32 tcause = tcg_const_i32(cause);
- gen_helper_exception_cause(cpu_env, tpc, tcause);
- tcg_temp_free(tpc);
- tcg_temp_free(tcause);
+ TCGv_i32 pc = tcg_constant_i32(dc->pc);
+ gen_helper_exception_cause(cpu_env, pc, tcg_constant_i32(cause));
if (cause == ILLEGAL_INSTRUCTION_CAUSE ||
cause == SYSCALL_CAUSE) {
dc->base.is_jmp = DISAS_NORETURN;
@@ -338,11 +333,8 @@ static void gen_exception_cause(DisasContext *dc, uint32_t
cause)
static void gen_debug_exception(DisasContext *dc, uint32_t cause)
{
- TCGv_i32 tpc = tcg_const_i32(dc->pc);
- TCGv_i32 tcause = tcg_const_i32(cause);
- gen_helper_debug_exception(cpu_env, tpc, tcause);
- tcg_temp_free(tpc);
- tcg_temp_free(tcause);
+ TCGv_i32 pc = tcg_constant_i32(dc->pc);
+ gen_helper_debug_exception(cpu_env, pc, tcg_constant_i32(cause));
if (cause & (DEBUGCAUSE_IB | DEBUGCAUSE_BI | DEBUGCAUSE_BN)) {
dc->base.is_jmp = DISAS_NORETURN;
}
--
2.30.2
- [PATCH v2 0/7] target/xtensa: use tcg_constant_* where possible, Max Filippov, 2022/04/22
- [PATCH v2 1/7] target/xtensa: fix missing tcg_temp_free in gen_window_check, Max Filippov, 2022/04/22
- [PATCH v2 2/7] target/xtensa: use tcg_contatnt_* for numeric literals, Max Filippov, 2022/04/22
- [PATCH v2 3/7] target/xtensa: use tcg_constant_* for exceptions,
Max Filippov <=
- [PATCH v2 4/7] target/xtensa: use tcg_constant_* for TLB opcodes, Max Filippov, 2022/04/22
- [PATCH v2 6/7] target/xtensa: use tcg_constant_* for FPU conversion opcodes, Max Filippov, 2022/04/22
- [PATCH v2 5/7] target/xtensa: use tcg_constant_* for numbered special registers, Max Filippov, 2022/04/22
- [PATCH v2 7/7] target/xtensa: use tcg_constant_* for remaining opcodes, Max Filippov, 2022/04/22