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[Qemu-devel] [PATCH v4 27/64] target-alpha: Use the ctz and clz opcodes
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v4 27/64] target-alpha: Use the ctz and clz opcodes |
Date: |
Wed, 23 Nov 2016 14:01:24 +0100 |
Signed-off-by: Richard Henderson <address@hidden>
---
target-alpha/helper.h | 2 --
target-alpha/int_helper.c | 10 ----------
target-alpha/translate.c | 4 ++--
3 files changed, 2 insertions(+), 14 deletions(-)
diff --git a/target-alpha/helper.h b/target-alpha/helper.h
index 004221d..eed3906 100644
--- a/target-alpha/helper.h
+++ b/target-alpha/helper.h
@@ -4,8 +4,6 @@ DEF_HELPER_FLAGS_1(load_pcc, TCG_CALL_NO_RWG_SE, i64, env)
DEF_HELPER_FLAGS_3(check_overflow, TCG_CALL_NO_WG, void, env, i64, i64)
DEF_HELPER_FLAGS_1(ctpop, TCG_CALL_NO_RWG_SE, i64, i64)
-DEF_HELPER_FLAGS_1(ctlz, TCG_CALL_NO_RWG_SE, i64, i64)
-DEF_HELPER_FLAGS_1(cttz, TCG_CALL_NO_RWG_SE, i64, i64)
DEF_HELPER_FLAGS_2(zap, TCG_CALL_NO_RWG_SE, i64, i64, i64)
DEF_HELPER_FLAGS_2(zapnot, TCG_CALL_NO_RWG_SE, i64, i64, i64)
diff --git a/target-alpha/int_helper.c b/target-alpha/int_helper.c
index 19bebfe..3c303bd 100644
--- a/target-alpha/int_helper.c
+++ b/target-alpha/int_helper.c
@@ -29,16 +29,6 @@ uint64_t helper_ctpop(uint64_t arg)
return ctpop64(arg);
}
-uint64_t helper_ctlz(uint64_t arg)
-{
- return clz64(arg);
-}
-
-uint64_t helper_cttz(uint64_t arg)
-{
- return ctz64(arg);
-}
-
uint64_t helper_zapnot(uint64_t val, uint64_t mskb)
{
uint64_t mask;
diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index 5ac2277..6e2e563 100644
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -2555,14 +2555,14 @@ static ExitStatus translate_one(DisasContext *ctx,
uint32_t insn)
REQUIRE_TB_FLAG(TB_FLAGS_AMASK_CIX);
REQUIRE_REG_31(ra);
REQUIRE_NO_LIT;
- gen_helper_ctlz(vc, vb);
+ tcg_gen_clzi_i64(vc, vb, 64);
break;
case 0x33:
/* CTTZ */
REQUIRE_TB_FLAG(TB_FLAGS_AMASK_CIX);
REQUIRE_REG_31(ra);
REQUIRE_NO_LIT;
- gen_helper_cttz(vc, vb);
+ tcg_gen_ctzi_i64(vc, vb, 64);
break;
case 0x34:
/* UNPKBW */
--
2.7.4
- [Qemu-devel] [PATCH v4 17/64] target-ppc: Use the new deposit and extract ops, (continued)
- [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
- [Qemu-devel] [PATCH v4 22/64] tcg: Pass the opcode width to target_parse_constraint, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 21/64] tcg: Transition flat op_defs array to a target callback, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 25/64] disas/i386.c: Handle tzcnt, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 23/64] tcg: Allow an operand to be matching or a constant, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 26/64] disas/ppc: Handle popcnt and cnttz, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 24/64] tcg: Add clz and ctz opcodes, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 27/64] target-alpha: Use the ctz and clz opcodes,
Richard Henderson <=
- [Qemu-devel] [PATCH v4 29/64] target-microblaze: Use clz opcode, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 28/64] target-cris: Use clz opcode, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 31/64] target-openrisc: Use clz and ctz opcodes, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 30/64] target-mips: Use clz opcode, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 32/64] target-ppc: Use clz and ctz opcodes, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 33/64] target-s390x: Use clz opcode, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 34/64] target-tilegx: Use clz and ctz opcodes, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 36/64] target-unicore32: Use clz opcode, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 35/64] target-tricore: Use clz opcode, Richard Henderson, 2016/11/23