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authorNicholas Piggin <npiggin@gmail.com>2023-06-05 12:54:42 +1000
committerMichael Tokarev <mjt@tls.msk.ru>2023-06-11 11:07:26 +0300
commitd31e0a384391c072bb121816ce9b7582a65cad9d (patch)
tree4f5ca8317716e87849be157a95254d63ec551cd6
parent9b55660e4a4f6bfea0965b2567641492a1feac57 (diff)
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target/ppc: Fix lqarx to set cpu_reserve
lqarx does not set cpu_reserve, which causes stqcx. to never succeed. Cc: qemu-stable@nongnu.org Fixes: 94bf2658676 ("target/ppc: Use atomic load for LQ and LQARX") Fixes: 57b38ffd0c6 ("target/ppc: Use tcg_gen_qemu_{ld,st}_i128 for LQARX, LQ, STQ") Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230605025445.161932-1-npiggin@gmail.com> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> (cherry picked from commit e025e8f5a8a7e32409bb4c7c509d752486113188) Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
-rw-r--r--target/ppc/translate.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 19c1d17..1de7eca 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -3972,6 +3972,7 @@ static void gen_lqarx(DisasContext *ctx)
}
tcg_temp_free(EA);
+ tcg_gen_mov_tl(cpu_reserve, EA);
tcg_gen_st_tl(hi, cpu_env, offsetof(CPUPPCState, reserve_val));
tcg_gen_st_tl(lo, cpu_env, offsetof(CPUPPCState, reserve_val2));
}