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authorRichard Henderson <richard.henderson@linaro.org>2018-06-26 09:19:19 -0700
committerDavid Gibson <david@gibson.dropbear.id.au>2018-07-03 09:56:52 +1000
commitb8ce0f86782b1317f363cc90f4e1aaeb116a7cc2 (patch)
tree5df756a87007f3d3a86d92e4150718c5bcd1e180 /target/ppc
parentc674a9831e8bf58928508e2db604e092c66638a4 (diff)
target/ppc: Use atomic min/max helpers
These operations were previously unimplemented for ppc. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target/ppc')
-rw-r--r--target/ppc/translate.c22
1 files changed, 19 insertions, 3 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 8: /* Swap */
- tcg_gen_atomic_xchg_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 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;