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[Qemu-devel] [PATCH 04/25] target-microblaze: Use clz opcode
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 04/25] target-microblaze: Use clz opcode |
Date: |
Wed, 16 Nov 2016 20:25:14 +0100 |
Cc: Edgar E. Iglesias <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
target-microblaze/helper.h | 1 -
target-microblaze/op_helper.c | 5 -----
target-microblaze/translate.c | 2 +-
3 files changed, 1 insertion(+), 7 deletions(-)
diff --git a/target-microblaze/helper.h b/target-microblaze/helper.h
index bd13826..71a6c08 100644
--- a/target-microblaze/helper.h
+++ b/target-microblaze/helper.h
@@ -3,7 +3,6 @@ DEF_HELPER_1(debug, void, env)
DEF_HELPER_FLAGS_3(carry, TCG_CALL_NO_RWG_SE, i32, i32, i32, i32)
DEF_HELPER_2(cmp, i32, i32, i32)
DEF_HELPER_2(cmpu, i32, i32, i32)
-DEF_HELPER_FLAGS_1(clz, TCG_CALL_NO_RWG_SE, i32, i32)
DEF_HELPER_3(divs, i32, env, i32, i32)
DEF_HELPER_3(divu, i32, env, i32, i32)
diff --git a/target-microblaze/op_helper.c b/target-microblaze/op_helper.c
index 4a856e6..1e07e21 100644
--- a/target-microblaze/op_helper.c
+++ b/target-microblaze/op_helper.c
@@ -145,11 +145,6 @@ uint32_t helper_cmpu(uint32_t a, uint32_t b)
return t;
}
-uint32_t helper_clz(uint32_t t0)
-{
- return clz32(t0);
-}
-
uint32_t helper_carry(uint32_t a, uint32_t b, uint32_t cf)
{
return compute_carry(a, b, cf);
diff --git a/target-microblaze/translate.c b/target-microblaze/translate.c
index de2090a..0bb6095 100644
--- a/target-microblaze/translate.c
+++ b/target-microblaze/translate.c
@@ -768,7 +768,7 @@ static void dec_bit(DisasContext *dc)
t_gen_raise_exception(dc, EXCP_HW_EXCP);
}
if (dc->cpu->env.pvr.regs[2] & PVR2_USE_PCMP_INSTR) {
- gen_helper_clz(cpu_R[dc->rd], cpu_R[dc->ra]);
+ tcg_gen_clzi_i32(cpu_R[dc->rd], cpu_R[dc->ra], 32);
}
break;
case 0x1e0:
--
2.7.4
- [Qemu-devel] [PATCH 00/25] tcg: Handle clz, ctz, and clrsb generically, Richard Henderson, 2016/11/16
- [Qemu-devel] [PATCH 02/25] target-alpha: Use the ctz and clz opcodes, Richard Henderson, 2016/11/16
- [Qemu-devel] [PATCH 03/25] target-cris: Use clz opcode, Richard Henderson, 2016/11/16
- [Qemu-devel] [PATCH 04/25] target-microblaze: Use clz opcode,
Richard Henderson <=
- [Qemu-devel] [PATCH 01/25] tcg: Add clz and ctz opcodes, Richard Henderson, 2016/11/16
- [Qemu-devel] [PATCH 05/25] target-mips: Use clz opcode, Richard Henderson, 2016/11/16
- [Qemu-devel] [PATCH 06/25] target-openrisc: Use clz and ctz opcodes, Richard Henderson, 2016/11/16
- [Qemu-devel] [PATCH 07/25] target-ppc: Use clz and ctz opcodes, Richard Henderson, 2016/11/16
- [Qemu-devel] [PATCH 10/25] target-tricore: Use clz opcode, Richard Henderson, 2016/11/16