| Message ID | 20160618040343.19517-10-bobby.prani@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 18/06/16 07:03, Pranith Kumar wrote: > Cc: Blue Swirl <blauwirbel@gmail.com> > Signed-off-by: Richard Henderson <rth@twiddle.net> > Signed-off-by: Pranith Kumar <bobby.prani@gmail.com> > --- > tcg/sparc/tcg-target.inc.c | 25 +++++++++++++++++++++++++ > 1 file changed, 25 insertions(+) > > diff --git a/tcg/sparc/tcg-target.inc.c b/tcg/sparc/tcg-target.inc.c > index 9938a50..af8a300 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 > @@ -825,6 +827,24 @@ static void tcg_out_call(TCGContext *s, tcg_insn_unit *dest) > tcg_out_nop(s); > } > > +static void tcg_out_mb(TCGContext *s, TCGArg a0) > +{ > + uint8_t bar_opcode; > + switch (a0 & TCG_MO_ALL) { > + case TCG_MO_LD_LD: > + bar_opcode = 0x5; > + break; > + case TCG_MO_ST_ST: > + bar_opcode = 0xa; > + break; > + default: > + /* #StoreLoad | #LoadStore */ > + bar_opcode = 0xf; > + break; > + } > + tcg_out32(s, MEMBAR | bar_opcode); Why don't translate each TCG mb flag to corresponding Sparc MEMBAR mmask bit exactly here? Kind regards, Sergey > +} > + > #ifdef CONFIG_SOFTMMU > static tcg_insn_unit *qemu_ld_trampoline[16]; > static tcg_insn_unit *qemu_st_trampoline[16]; > @@ -1450,6 +1470,10 @@ 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. */ > @@ -1551,6 +1575,7 @@ static const TCGTargetOpDef sparc_op_defs[] = { > { INDEX_op_qemu_st_i32, { "sZ", "A" } }, > { INDEX_op_qemu_st_i64, { "SZ", "A" } }, > > + { INDEX_op_mb, { } }, > { -1 }, > }; >
diff --git a/tcg/sparc/tcg-target.inc.c b/tcg/sparc/tcg-target.inc.c index 9938a50..af8a300 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 @@ -825,6 +827,24 @@ static void tcg_out_call(TCGContext *s, tcg_insn_unit *dest) tcg_out_nop(s); } +static void tcg_out_mb(TCGContext *s, TCGArg a0) +{ + uint8_t bar_opcode; + switch (a0 & TCG_MO_ALL) { + case TCG_MO_LD_LD: + bar_opcode = 0x5; + break; + case TCG_MO_ST_ST: + bar_opcode = 0xa; + break; + default: + /* #StoreLoad | #LoadStore */ + bar_opcode = 0xf; + break; + } + tcg_out32(s, MEMBAR | bar_opcode); +} + #ifdef CONFIG_SOFTMMU static tcg_insn_unit *qemu_ld_trampoline[16]; static tcg_insn_unit *qemu_st_trampoline[16]; @@ -1450,6 +1470,10 @@ 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. */ @@ -1551,6 +1575,7 @@ static const TCGTargetOpDef sparc_op_defs[] = { { INDEX_op_qemu_st_i32, { "sZ", "A" } }, { INDEX_op_qemu_st_i64, { "SZ", "A" } }, + { INDEX_op_mb, { } }, { -1 }, };