From b8ce0f86782b1317f363cc90f4e1aaeb116a7cc2 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Tue, 26 Jun 2018 09:19:19 -0700 Subject: [PATCH] target/ppc: Use atomic min/max helpers These operations were previously unimplemented for ppc. Signed-off-by: Richard Henderson Signed-off-by: David Gibson --- target/ppc/translate.c | 24 ++++++++++++++++++++---- 1 file changed, 20 insertions(+), 4 deletions(-) diff --git a/target/ppc/translate.c b/target/ppc/translate.c index c2a28be6d7..79285b6698 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -3102,13 +3102,21 @@ static void gen_ld_atomic(DisasContext *ctx, TCGMemOp memop) case 3: /* Fetch and 'and' */ tcg_gen_atomic_fetch_and_tl(dst, EA, src, ctx->mem_idx, memop); break; + case 4: /* Fetch and max unsigned */ + tcg_gen_atomic_fetch_umax_tl(dst, EA, src, ctx->mem_idx, memop); + break; + case 5: /* Fetch and max signed */ + tcg_gen_atomic_fetch_smax_tl(dst, EA, src, ctx->mem_idx, memop); + break; + case 6: /* Fetch and min unsigned */ + tcg_gen_atomic_fetch_umin_tl(dst, EA, src, ctx->mem_idx, memop); + break; + case 7: /* Fetch and min signed */ + tcg_gen_atomic_fetch_smin_tl(dst, EA, src, ctx->mem_idx, memop); + break; case 8: /* Swap */ tcg_gen_atomic_xchg_tl(dst, EA, src, ctx->mem_idx, memop); break; - case 4: /* Fetch and max unsigned */ - case 5: /* Fetch and max signed */ - case 6: /* Fetch and min unsigned */ - case 7: /* Fetch and min signed */ case 16: /* compare and swap not equal */ case 24: /* Fetch and increment bounded */ case 25: /* Fetch and increment equal */ @@ -3159,9 +3167,17 @@ static void gen_st_atomic(DisasContext *ctx, TCGMemOp memop) tcg_gen_atomic_and_fetch_tl(discard, EA, src, ctx->mem_idx, memop); break; case 4: /* Store max unsigned */ + tcg_gen_atomic_umax_fetch_tl(discard, EA, src, ctx->mem_idx, memop); + break; case 5: /* Store max signed */ + tcg_gen_atomic_smax_fetch_tl(discard, EA, src, ctx->mem_idx, memop); + break; case 6: /* Store min unsigned */ + tcg_gen_atomic_umin_fetch_tl(discard, EA, src, ctx->mem_idx, memop); + break; case 7: /* Store min signed */ + tcg_gen_atomic_smin_fetch_tl(discard, EA, src, ctx->mem_idx, memop); + break; case 24: /* Store twin */ gen_invalid(ctx); break;