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[Qemu-devel] [PATCH v4 11/64] tcg/s390: Implement field extraction opcod
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v4 11/64] tcg/s390: Implement field extraction opcodes |
Date: |
Wed, 23 Nov 2016 14:01:08 +0100 |
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/s390/tcg-target.h | 4 ++--
tcg/s390/tcg-target.inc.c | 11 +++++++++++
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/tcg/s390/tcg-target.h b/tcg/s390/tcg-target.h
index d650a72..e9ac12e 100644
--- a/tcg/s390/tcg-target.h
+++ b/tcg/s390/tcg-target.h
@@ -78,7 +78,7 @@ extern uint64_t s390_facilities;
#define TCG_TARGET_HAS_nand_i32 0
#define TCG_TARGET_HAS_nor_i32 0
#define TCG_TARGET_HAS_deposit_i32 (s390_facilities & FACILITY_GEN_INST_EXT)
-#define TCG_TARGET_HAS_extract_i32 0
+#define TCG_TARGET_HAS_extract_i32 (s390_facilities & FACILITY_GEN_INST_EXT)
#define TCG_TARGET_HAS_sextract_i32 0
#define TCG_TARGET_HAS_movcond_i32 1
#define TCG_TARGET_HAS_add2_i32 1
@@ -109,7 +109,7 @@ extern uint64_t s390_facilities;
#define TCG_TARGET_HAS_nand_i64 0
#define TCG_TARGET_HAS_nor_i64 0
#define TCG_TARGET_HAS_deposit_i64 (s390_facilities & FACILITY_GEN_INST_EXT)
-#define TCG_TARGET_HAS_extract_i64 0
+#define TCG_TARGET_HAS_extract_i64 (s390_facilities & FACILITY_GEN_INST_EXT)
#define TCG_TARGET_HAS_sextract_i64 0
#define TCG_TARGET_HAS_movcond_i64 1
#define TCG_TARGET_HAS_add2_i64 1
diff --git a/tcg/s390/tcg-target.inc.c b/tcg/s390/tcg-target.inc.c
index 9f51133..083c992 100644
--- a/tcg/s390/tcg-target.inc.c
+++ b/tcg/s390/tcg-target.inc.c
@@ -1247,6 +1247,12 @@ static void tgen_deposit(TCGContext *s, TCGReg dest,
TCGReg src,
tcg_out_risbg(s, dest, src, msb, lsb, ofs, 0);
}
+static void tgen_extract(TCGContext *s, TCGReg dest, TCGReg src,
+ int ofs, int len)
+{
+ tcg_out_risbg(s, dest, src, 64 - len, 63, 64 - ofs, 1);
+}
+
static void tgen_gotoi(TCGContext *s, int cc, tcg_insn_unit *dest)
{
ptrdiff_t off = dest - s->code_ptr;
@@ -2153,6 +2159,9 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode
opc,
OP_32_64(deposit):
tgen_deposit(s, args[0], args[2], args[3], args[4]);
break;
+ OP_32_64(extract):
+ tgen_extract(s, args[0], args[1], args[2], args[3]);
+ break;
case INDEX_op_mb:
/* The host memory model is quite strong, we simply need to
@@ -2222,6 +2231,7 @@ static const TCGTargetOpDef s390_op_defs[] = {
{ INDEX_op_setcond_i32, { "r", "r", "rC" } },
{ INDEX_op_movcond_i32, { "r", "r", "rC", "r", "0" } },
{ INDEX_op_deposit_i32, { "r", "0", "r" } },
+ { INDEX_op_extract_i32, { "r", "r" } },
{ INDEX_op_qemu_ld_i32, { "r", "L" } },
{ INDEX_op_qemu_ld_i64, { "r", "L" } },
@@ -2283,6 +2293,7 @@ static const TCGTargetOpDef s390_op_defs[] = {
{ INDEX_op_setcond_i64, { "r", "r", "rC" } },
{ INDEX_op_movcond_i64, { "r", "r", "rC", "r", "0" } },
{ INDEX_op_deposit_i64, { "r", "0", "r" } },
+ { INDEX_op_extract_i64, { "r", "r" } },
{ INDEX_op_mb, { } },
{ -1 },
--
2.7.4
- [Qemu-devel] [PATCH v4 00/64] tcg 2.9 patch queue, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 01/64] tcg: Add field extraction primitives, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 02/64] tcg: Minor adjustments to deposit expanders, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 04/64] tcg/aarch64: Implement field extraction opcodes, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 03/64] tcg: Add deposit_z expander, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 05/64] tcg/arm: Move isa detection to tcg-target.h, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 08/64] tcg/mips: Implement field extraction opcodes, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 06/64] tcg/arm: Implement field extraction opcodes, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 07/64] tcg/i386: Implement field extraction opcodes, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 09/64] tcg/ppc: Implement field extraction opcodes, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 11/64] tcg/s390: Implement field extraction opcodes,
Richard Henderson <=
- [Qemu-devel] [PATCH v4 10/64] tcg/s390: Expose host facilities to tcg-target.h, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 12/64] tcg/s390: Support deposit into zero, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 13/64] target-alpha: Use deposit and extract ops, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 14/64] target-arm: Use new deposit and extract ops, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 16/64] target-mips: Use the new extract op, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 15/64] target-i386: Use new deposit and extract ops, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 17/64] target-ppc: Use the new deposit and extract ops, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 19/64] tcg/optimize: Fold movcond 0/1 into setcond, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 18/64] target-s390x: Use the new deposit and extract ops, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 20/64] tcg: Add markup for output requires new register, Richard Henderson, 2016/11/23