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[Qemu-devel] [PULL 08/23] tcg/s390: Use constant pool for andi
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PULL 08/23] tcg/s390: Use constant pool for andi |
Date: |
Thu, 7 Sep 2017 15:40:36 -0700 |
From: Richard Henderson <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/s390/tcg-target.inc.c | 20 ++++++++++++++------
1 file changed, 14 insertions(+), 6 deletions(-)
diff --git a/tcg/s390/tcg-target.inc.c b/tcg/s390/tcg-target.inc.c
index 29b77ff67f..4be57c5765 100644
--- a/tcg/s390/tcg-target.inc.c
+++ b/tcg/s390/tcg-target.inc.c
@@ -224,6 +224,7 @@ typedef enum S390Opcode {
RXY_LRVG = 0xe30f,
RXY_LRVH = 0xe31f,
RXY_LY = 0xe358,
+ RXY_NG = 0xe380,
RXY_STCY = 0xe372,
RXY_STG = 0xe324,
RXY_STHY = 0xe370,
@@ -985,8 +986,17 @@ static void tgen_andi(TCGContext *s, TCGType type, TCGReg
dest, uint64_t val)
return;
}
- /* Fall back to loading the constant. */
- tcg_out_movi(s, type, TCG_TMP0, val);
+ /* Use the constant pool if USE_REG_TB, but not for small constants. */
+ if (USE_REG_TB) {
+ if (!maybe_out_small_movi(s, type, TCG_TMP0, val)) {
+ tcg_out_insn(s, RXY, NG, dest, TCG_REG_TB, TCG_REG_NONE, 0);
+ new_pool_label(s, val & valid, R_390_20, s->code_ptr - 2,
+ -(intptr_t)s->code_gen_ptr);
+ return;
+ }
+ } else {
+ tcg_out_movi(s, type, TCG_TMP0, val);
+ }
if (type == TCG_TYPE_I32) {
tcg_out_insn(s, RR, NR, dest, TCG_TMP0);
} else {
@@ -2341,6 +2351,8 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode
op)
return &r_r_ri;
case INDEX_op_sub_i32:
case INDEX_op_sub_i64:
+ case INDEX_op_and_i32:
+ case INDEX_op_and_i64:
return (s390_facilities & FACILITY_DISTINCT_OPS ? &r_r_ri : &r_0_ri);
case INDEX_op_mul_i32:
@@ -2375,10 +2387,6 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode
op)
? (s390_facilities & FACILITY_DISTINCT_OPS ? &r_r_rM : &r_0_rM)
: &r_0_r);
- case INDEX_op_and_i32:
- case INDEX_op_and_i64:
- return (s390_facilities & FACILITY_DISTINCT_OPS ? &r_r_ri : &r_0_ri);
-
case INDEX_op_shl_i32:
case INDEX_op_shr_i32:
case INDEX_op_sar_i32:
--
2.13.5
- [Qemu-devel] [PULL 00/23] tcg constant pools and USE_DIRECT_JUMP cleanup, Richard Henderson, 2017/09/07
- [Qemu-devel] [PULL 01/23] tcg: Move USE_DIRECT_JUMP discriminator to tcg/cpu/tcg-target.h, Richard Henderson, 2017/09/07
- [Qemu-devel] [PULL 04/23] tcg/i386: Store out-of-range call targets in constant pool, Richard Henderson, 2017/09/07
- [Qemu-devel] [PULL 03/23] tcg: Infrastructure for managing constant pools, Richard Henderson, 2017/09/07
- [Qemu-devel] [PULL 02/23] tcg: Rearrange ldst label tracking, Richard Henderson, 2017/09/07
- [Qemu-devel] [PULL 05/23] tcg/s390: Introduce TCG_REG_TB, Richard Henderson, 2017/09/07
- [Qemu-devel] [PULL 06/23] tcg/s390: Fix sign of patch_reloc addend, Richard Henderson, 2017/09/07
- [Qemu-devel] [PULL 08/23] tcg/s390: Use constant pool for andi,
Richard Henderson <=
- [Qemu-devel] [PULL 09/23] tcg/s390: Use constant pool for ori, Richard Henderson, 2017/09/07
- [Qemu-devel] [PULL 07/23] tcg/s390: Use constant pool for movi, Richard Henderson, 2017/09/07
- [Qemu-devel] [PULL 10/23] tcg/s390: Use constant pool for xori, Richard Henderson, 2017/09/07
- [Qemu-devel] [PULL 11/23] tcg/s390: Use constant pool for cmpi, Richard Henderson, 2017/09/07
- [Qemu-devel] [PULL 12/23] tcg/aarch64: Use constant pool for movi, Richard Henderson, 2017/09/07
- [Qemu-devel] [PULL 13/23] tcg/sparc: Introduce TCG_REG_TB, Richard Henderson, 2017/09/07
- [Qemu-devel] [PULL 14/23] tcg/sparc: Use constant pool for movi, Richard Henderson, 2017/09/07
- [Qemu-devel] [PULL 15/23] tcg/arm: Improve tlb load for armv7, Richard Henderson, 2017/09/07
- [Qemu-devel] [PULL 16/23] tcg/arm: Tighten tlb indexing offset test, Richard Henderson, 2017/09/07
- [Qemu-devel] [PULL 19/23] tcg/arm: Use constant pool for movi, Richard Henderson, 2017/09/07