From: Aleksey Demakov <ademakov@gmail.com>
Date: Sun, 22 Oct 2006 23:51:41 +0000 (+0000)
Subject: remove excessive and buggy patterns from JIT_OP_EXPAND_INT and
X-Git-Tag: before.move.to.git~183
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=5691831f5fbbc39d065861341ff90d59f0571a9b;p=francis%2Flibjit.git

remove excessive and buggy patterns from JIT_OP_EXPAND_INT and
JIT_OP_EXPAND_UINT rules
---

diff --git a/ChangeLog b/ChangeLog
index 109fc9d..7f686dc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2006-10-23  Aleksey Demakov  <ademakov@gmail.com>
+
+	* jit/jit-rules-x86.ins: JIT_OP_EXPAND_INT and JIT_OP_EXPAND_UINT
+	rules were broken for local byte or short values. Fixed by removing
+	the local pattern altogether as the reg pattern produces the same
+	code but without the bug.
+
 2006-10-18  Aleksey Demakov  <ademakov@gmail.com>
 
 	* jit/jit-reg-alloc.c (clobbers_register, bind_value): enable
diff --git a/jit/jit-rules-x86.ins b/jit/jit-rules-x86.ins
index f1f97f5..97dd12b 100644
--- a/jit/jit-rules-x86.ins
+++ b/jit/jit-rules-x86.ins
@@ -118,16 +118,6 @@ JIT_OP_LOW_WORD:
 	}
 	
 JIT_OP_EXPAND_INT:
-	[=lreg, imm] -> {
-		x86_mov_reg_imm(inst, $1, $2);
-		x86_mov_reg_reg(inst, %1, $1, 4);
-		x86_shift_reg_imm(inst, X86_SAR, %1, 31);
-	}
-	[=lreg, local] -> {
-		x86_mov_reg_membase(inst, $1, X86_EBP, $2, 4);
-		x86_mov_reg_reg(inst, %1, $1, 4);
-		x86_shift_reg_imm(inst, X86_SAR, %1, 31);
-	}
 	[=lreg, reg] -> {
 		if($1 != $2)
 		{
@@ -138,14 +128,6 @@ JIT_OP_EXPAND_INT:
 	}
 
 JIT_OP_EXPAND_UINT:
-	[=lreg, imm] -> {
-		x86_mov_reg_imm(inst, $1, $2);
-		x86_clear_reg(inst, %1);
-	}
-	[=lreg, local] -> {
-		x86_mov_reg_membase(inst, $1, X86_EBP, $2, 4);
-		x86_clear_reg(inst, %1);
-	}
 	[=lreg, reg] -> {
 		if($1 != $2)
 		{