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Initialize delay_slot_flag correctly

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mio
2025-03-18 21:20:37 +08:00
parent d755a8bed9
commit 0bb1bbd93c
1 changed files with 2 additions and 0 deletions
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2
qemu/include/exec/gen-icount.h
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@@ -45,6 +45,8 @@ static inline void gen_tb_start(TCGContext *tcg_ctx, TranslationBlock *tb)
// We CANT'T use brcondi_i32 here or we will fail liveness analysis // We CANT'T use brcondi_i32 here or we will fail liveness analysis
// because it marks the end of BB // because it marks the end of BB
if (tcg_ctx->delay_slot_flag != NULL) { if (tcg_ctx->delay_slot_flag != NULL) {
// Initialize delay_slot_flag here
tcg_gen_movi_i32(tcg_ctx, tcg_ctx->delay_slot_flag, 0);
TCGv_i32 tmp = tcg_const_i32(tcg_ctx, 0); TCGv_i32 tmp = tcg_const_i32(tcg_ctx, 0);
// dest = (c1 cond c2 ? v1 : v2) // dest = (c1 cond c2 ? v1 : v2)
tcg_gen_movcond_i32(tcg_ctx, TCG_COND_GT, count, tcg_ctx->delay_slot_flag, tmp, tcg_ctx->delay_slot_flag, count); tcg_gen_movcond_i32(tcg_ctx, TCG_COND_GT, count, tcg_ctx->delay_slot_flag, tmp, tcg_ctx->delay_slot_flag, count);