haraldwolff/qemu-patch-raspberry4
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target/ppc: Use atomic min/max helpers

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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>
This commit is contained in:
Richard Henderson 2018-06-26 09:19:19 -07:00 committed by David Gibson
parent c674a9831e
commit b8ce0f8678
1 changed files with 20 additions and 4 deletions
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24
target/ppc/translate.c
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@ -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;