From 9d82353826422ed0e34ad76961fe0cae5f67e58e Mon Sep 17 00:00:00 2001 From: Nicholas Piggin Date: Thu, 19 May 2022 23:59:06 +1000 Subject: [PATCH] tcg/ppc: ST_ST memory ordering is not provided with eieio eieio does not provide ordering between stores to CI memory and stores to cacheable memory so it can't be used as a general ST_ST barrier. Reviewed-by: Richard Henderson Signed-of-by: Nicholas Piggin Message-Id: <20220519135908.21282-3-npiggin@gmail.com> Signed-off-by: Daniel Henrique Barboza --- tcg/ppc/tcg-target.c.inc | 2 -- 1 file changed, 2 deletions(-) diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc index fc8ae47293..4750091c9c 100644 --- a/tcg/ppc/tcg-target.c.inc +++ b/tcg/ppc/tcg-target.c.inc @@ -1836,8 +1836,6 @@ static void tcg_out_mb(TCGContext *s, TCGArg a0) a0 &= TCG_MO_ALL; if (a0 == TCG_MO_LD_LD) { insn = LWSYNC; - } else if (a0 == TCG_MO_ST_ST) { - insn = EIEIO; } tcg_out32(s, insn); } -- 2.11.4.GIT