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target/xtensa: use tcg_constant_* for exceptions 

Use tcg_contant_* for exception number, exception cause, debug cause
code and exception PC.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2022-04-21 13:38:58 -07:00
parent 2b570a178a
commit f99fbd125b
1 changed files with 5 additions and 13 deletions
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18
target/xtensa/translate.c
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@ -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;
}