From: Gabe Black <gblack@eecs.umich.edu>
Date: Mon, 21 Aug 2006 18:23:39 +0000 (-0400)
Subject: Two bugs found by my tracing tool.
X-Git-Tag: m5_2.0_beta1_patch1~8^2~2
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e54c5c99debbd6881dec57828d05047d7921cebd;p=gem5.git

Two bugs found by my tracing tool.
1. alignaddr wrote it's address to a floating point register rather than a gpr.
2. sethi was sign extending it's immediate value.

--HG--
extra : convert_revision : 9aa30a6485bc4cba916367973b986d439b7c7588
---

diff --git a/src/arch/sparc/isa/decoder.isa b/src/arch/sparc/isa/decoder.isa
index 304c97f2f..3c5236661 100644
--- a/src/arch/sparc/isa/decoder.isa
+++ b/src/arch/sparc/isa/decoder.isa
@@ -106,7 +106,7 @@ decode OP default Unknown::unknown()
             }
         }
         //SETHI (or NOP if rd == 0 and imm == 0)
-        0x4: SetHi::sethi({{Rd = imm;}});
+        0x4: SetHi::sethi({{Rd.udw = imm;}});
         0x5: Trap::fbpfcc({{fault = new FpDisabled;}});
         0x6: Trap::fbfcc({{fault = new FpDisabled;}});
     }
@@ -535,15 +535,15 @@ decode OP default Unknown::unknown()
                 0x10: Trap::array8({{fault = new IllegalInstruction;}});
                 0x12: Trap::array16({{fault = new IllegalInstruction;}});
                 0x14: Trap::array32({{fault = new IllegalInstruction;}});
-                0x18: BasicOperate::alignaddress({{
+                0x18: BasicOperate::alignaddr({{
                     uint64_t sum = Rs1 + Rs2;
-                    Frd = sum & ~7;
+                    Rd = sum & ~7;
                     Gsr = (Gsr & ~7) | (sum & 7);
                 }});
                 0x19: Trap::bmask({{fault = new IllegalInstruction;}});
                 0x1A: BasicOperate::alignaddresslittle({{
                     uint64_t sum = Rs1 + Rs2;
-                    Frd = sum & ~7;
+                    Rd = sum & ~7;
                     Gsr = (Gsr & ~7) | ((~sum + 1) & 7);
                 }});
                 0x20: Trap::fcmple16({{fault = new IllegalInstruction;}});
diff --git a/src/arch/sparc/isa/formats/integerop.isa b/src/arch/sparc/isa/formats/integerop.isa
index 27616216e..83c7e6958 100644
--- a/src/arch/sparc/isa/formats/integerop.isa
+++ b/src/arch/sparc/isa/formats/integerop.isa
@@ -67,7 +67,7 @@ output header {{
             {
             }
 
-            int32_t imm;
+            int64_t imm;
 
             std::string generateDisassembly(Addr pc,
                 const SymbolTable *symtab) const;