Re: [Qemu-devel] [PATCH v2] target-tilegx: Implement v2sh* instructions

2015-10-07 Thread Richard Henderson 

On 10/04/2015 10:01 PM, gang.chen.5...@gmail.com wrote:

From: Chen Gang 

It is just according to v1sh* instructions implementation.

Signed-off-by: Chen Gang 


Applied all, with tweeks.


r~

[Qemu-devel] [PATCH v2] target-tilegx: Implement v2sh* instructions

2015-10-04 Thread gang . chen . 5i5j 
From: Chen Gang 

It is just according to v1sh* instructions implementation.

Signed-off-by: Chen Gang 
---
 target-tilegx/translate.c | 18 +-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/target-tilegx/translate.c b/target-tilegx/translate.c
index 6ab66f9..9bb8857 100644
--- a/target-tilegx/translate.c
+++ b/target-tilegx/translate.c
@@ -1686,11 +1686,27 @@ static TileExcp gen_rri_opcode(DisasContext *dc, 
unsigned opext,
 break;
 case OE_SH(V2SHLI, X0):
 case OE_SH(V2SHLI, X1):
+i2 = imm & 15;
+i3 = 0x >> i2;
+tcg_gen_andi_tl(tdest, tsrca, V2_IMM(i3));
+tcg_gen_shli_tl(tdest, tdest, i2);
+mnemonic = "v2shli";
+break;
 case OE_SH(V2SHRSI, X0):
 case OE_SH(V2SHRSI, X1):
+t0 = tcg_const_tl(imm & 15);
+gen_helper_v2shrs(tdest, tsrca, t0);
+tcg_temp_free(t0);
+mnemonic = "v2shrsi";
+break;
 case OE_SH(V2SHRUI, X0):
 case OE_SH(V2SHRUI, X1):
-return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
+i2 = imm & 15;
+i3 = (0x << i2) & 0x;
+tcg_gen_andi_tl(tdest, tsrca, V2_IMM(i3));
+tcg_gen_shri_tl(tdest, tdest, i2);
+mnemonic = "v2shrui";
+break;
 
 case OE(ADDLI_OPCODE_X0, 0, X0):
 case OE(ADDLI_OPCODE_X1, 0, X1):
-- 
1.9.3

[Qemu-devel] [PATCH v2] target-tilegx: Implement v2sh* instructions

2015-10-04 Thread Chen Gang 
>From be4b6be54c79d9ca22431f749f31e0c7b9fdd091 Mon Sep 17 00:00:00 2001
From: Chen Gang 
Date: Fri, 2 Oct 2015 09:19:56 +0800
Subject: [PATCH v2] target-tilegx: Implement v2sh* instructions

It is just according to v1sh* instructions implementation.

Signed-off-by: Chen Gang 
---
 target-tilegx/translate.c | 18 +-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/target-tilegx/translate.c b/target-tilegx/translate.c
index 6ab66f9..9bb8857 100644
--- a/target-tilegx/translate.c
+++ b/target-tilegx/translate.c
@@ -1686,11 +1686,27 @@ static TileExcp gen_rri_opcode(DisasContext *dc, 
unsigned opext,
         break;
     case OE_SH(V2SHLI, X0):
     case OE_SH(V2SHLI, X1):
+        i2 = imm & 15;
+        i3 = 0x>> i2;
+        tcg_gen_andi_tl(tdest, tsrca, V2_IMM(i3));
+        tcg_gen_shli_tl(tdest, tdest, i2);
+        mnemonic = "v2shli";
+        break;
     case OE_SH(V2SHRSI, X0):
     case OE_SH(V2SHRSI, X1):
+        t0 = tcg_const_tl(imm & 15);
+        gen_helper_v2shrs(tdest, tsrca, t0);
+        tcg_temp_free(t0);
+        mnemonic = "v2shrsi";
+        break;
     case OE_SH(V2SHRUI, X0):
     case OE_SH(V2SHRUI, X1):
-        return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
+        i2 = imm & 15;
+        i3 = (0x << i2) & 0x;
+        tcg_gen_andi_tl(tdest, tsrca, V2_IMM(i3));
+        tcg_gen_shri_tl(tdest, tdest, i2);
+        mnemonic = "v2shrui";
+        break;
 
     case OE(ADDLI_OPCODE_X0, 0, X0):
     case OE(ADDLI_OPCODE_X1, 0, X1):
-- 
1.9.3

  

0001-target-tilegx-Implement-v2sh-instructions.patch
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