diff options
| author | Pranith Kumar <bobby.prani@gmail.com> | 2016-07-14 16:20:21 -0400 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2016-09-16 08:12:11 -0700 |
| commit | f8f03b3707b49898052fb8cd75ee31d19c8161fc (patch) | |
| tree | 5a00614f5b93e95c1608c03e5da71f2280c04b1f /tcg/sparc | |
| parent | c9314d610e0e5da4d2cd5a36f3563d102b3294e0 (diff) | |
tcg/sparc: Add support for fence
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Message-Id: <20160714202026.9727-10-bobby.prani@gmail.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'tcg/sparc')
| -rw-r--r-- | tcg/sparc/tcg-target.inc.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tcg/sparc/tcg-target.inc.c b/tcg/sparc/tcg-target.inc.c index 92f8818a9e..700c43487f 100644 --- a/tcg/sparc/tcg-target.inc.c +++ b/tcg/sparc/tcg-target.inc.c @@ -249,6 +249,8 @@ static const int tcg_target_call_oarg_regs[] = { #define STWA (INSN_OP(3) | INSN_OP3(0x14)) #define STXA (INSN_OP(3) | INSN_OP3(0x1e)) +#define MEMBAR (INSN_OP(2) | INSN_OP3(0x28) | INSN_RS1(15) | (1 << 13)) + #ifndef ASI_PRIMARY_LITTLE #define ASI_PRIMARY_LITTLE 0x88 #endif @@ -835,6 +837,12 @@ static void tcg_out_call(TCGContext *s, tcg_insn_unit *dest) tcg_out_nop(s); } +static void tcg_out_mb(TCGContext *s, TCGArg a0) +{ + /* Note that the TCG memory order constants mirror the Sparc MEMBAR. */ + tcg_out32(s, MEMBAR | (a0 & TCG_MO_ALL)); +} + #ifdef CONFIG_SOFTMMU static tcg_insn_unit *qemu_ld_trampoline[16]; static tcg_insn_unit *qemu_st_trampoline[16]; @@ -1466,6 +1474,10 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, tcg_out_arithc(s, a0, TCG_REG_G0, a1, const_args[1], c); break; + case INDEX_op_mb: + tcg_out_mb(s, a0); + break; + case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */ case INDEX_op_mov_i64: case INDEX_op_movi_i32: /* Always emitted via tcg_out_movi. */ @@ -1567,6 +1579,7 @@ static const TCGTargetOpDef sparc_op_defs[] = { { INDEX_op_qemu_st_i32, { "sZ", "A" } }, { INDEX_op_qemu_st_i64, { "SZ", "A" } }, + { INDEX_op_mb, { } }, { -1 }, }; |