diff options
Diffstat (limited to 'gcc/config/tilegx/sync.md')
| -rw-r--r-- | gcc/config/tilegx/sync.md | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/gcc/config/tilegx/sync.md b/gcc/config/tilegx/sync.md index 3d9349301ca..b32b662e676 100644 --- a/gcc/config/tilegx/sync.md +++ b/gcc/config/tilegx/sync.md @@ -177,8 +177,7 @@ (match_operand:SI 2 "const_int_operand" "")] ;; model "" { - rtx addr, aligned_addr, aligned_mem, offset, word, shmt; - rtx tmp0, tmp1; + rtx addr, aligned_addr, aligned_mem, offset, word, shmt, tmp; rtx result = operands[0]; rtx mem = operands[1]; enum memmodel model = (enum memmodel) INTVAL (operands[2]); @@ -191,27 +190,38 @@ aligned_mem = change_address (mem, DImode, aligned_addr); set_mem_alias_set (aligned_mem, 0); + tmp = gen_reg_rtx (Pmode); + if (BYTES_BIG_ENDIAN) + { + emit_move_insn (gen_lowpart (DImode, tmp), + gen_rtx_NOT (DImode, gen_lowpart (DImode, addr))); + } + else + { + tmp = addr; + } + offset = gen_reg_rtx (DImode); - emit_move_insn (offset, gen_rtx_AND (DImode, gen_lowpart (DImode, addr), + emit_move_insn (offset, gen_rtx_AND (DImode, gen_lowpart (DImode, tmp), GEN_INT (7))); - tmp0 = gen_reg_rtx (DImode); - emit_move_insn (tmp0, GEN_INT (1)); + tmp = gen_reg_rtx (DImode); + emit_move_insn (tmp, GEN_INT (1)); shmt = gen_reg_rtx (DImode); emit_move_insn (shmt, gen_rtx_ASHIFT (DImode, offset, GEN_INT (3))); word = gen_reg_rtx (DImode); - emit_move_insn (word, gen_rtx_ASHIFT (DImode, tmp0, + emit_move_insn (word, gen_rtx_ASHIFT (DImode, tmp, gen_lowpart (SImode, shmt))); - tmp1 = gen_reg_rtx (DImode); + tmp = gen_reg_rtx (DImode); tilegx_pre_atomic_barrier (model); - emit_insn (gen_atomic_fetch_or_baredi (tmp1, aligned_mem, word)); + emit_insn (gen_atomic_fetch_or_baredi (tmp, aligned_mem, word)); tilegx_post_atomic_barrier (model); emit_move_insn (gen_lowpart (DImode, result), - gen_rtx_LSHIFTRT (DImode, tmp1, + gen_rtx_LSHIFTRT (DImode, tmp, gen_lowpart (SImode, shmt))); DONE; }) |