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authorRichard Henderson <richard.henderson@linaro.org>2021-07-07 18:50:46 -0700
committerRichard Henderson <richard.henderson@linaro.org>2021-07-13 08:13:19 -0700
commit212c88c0c78b1b2027b91d0669b92c49d921e91c (patch)
tree8e264bac0a9618e1a51b5505805dd50ac289e5bf /target
parent3e646c3a3cfb1ce9522c230c2cbbafaf42f0a9c5 (diff)
target/alpha: Use tcg_constant_i64 for zero and lit
These constant temps do not need to be freed, and therefore need less bookkeeping from tcg producers. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target')
-rw-r--r--target/alpha/translate.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/target/alpha/translate.c b/target/alpha/translate.c
index 64c4865dda..58c0e08c0c 100644
--- a/target/alpha/translate.c
+++ b/target/alpha/translate.c
@@ -66,8 +66,6 @@ struct DisasContext {
/* Temporaries for $31 and $f31 as source and destination. */
TCGv zero;
TCGv sink;
- /* Temporary for immediate constants. */
- TCGv lit;
};
/* Target-specific return values from translate_one, indicating the
@@ -157,7 +155,7 @@ void alpha_translate_init(void)
static TCGv load_zero(DisasContext *ctx)
{
if (!ctx->zero) {
- ctx->zero = tcg_const_i64(0);
+ ctx->zero = tcg_constant_i64(0);
}
return ctx->zero;
}
@@ -177,14 +175,6 @@ static void free_context_temps(DisasContext *ctx)
tcg_temp_free(ctx->sink);
ctx->sink = NULL;
}
- if (ctx->zero) {
- tcg_temp_free(ctx->zero);
- ctx->zero = NULL;
- }
- if (ctx->lit) {
- tcg_temp_free(ctx->lit);
- ctx->lit = NULL;
- }
}
static TCGv load_gpr(DisasContext *ctx, unsigned reg)
@@ -200,8 +190,7 @@ static TCGv load_gpr_lit(DisasContext *ctx, unsigned reg,
uint8_t lit, bool islit)
{
if (islit) {
- ctx->lit = tcg_const_i64(lit);
- return ctx->lit;
+ return tcg_constant_i64(lit);
} else if (likely(reg < 31)) {
return ctx->ir[reg];
} else {
@@ -2992,7 +2981,6 @@ static void alpha_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cpu)
ctx->zero = NULL;
ctx->sink = NULL;
- ctx->lit = NULL;
/* Bound the number of insns to execute to those left on the page. */
bound = -(ctx->base.pc_first | TARGET_PAGE_MASK) / 4;