Re: [Qemu-devel] ppc "stfiwx" floating point missing implementation

[Tom Marn <tom.marn@telargo.com>]

Tom Marn wrote:

> Here is my modified translate.c (still broken code)

Re-sending previous malformed patch (I hope this one will be formated ok).



--- target-ppc/translate.c.orig 2006-09-29 09:29:28.000000000 +0200
+++ target-ppc/translate.c  2006-09-29 09:39:17.000000000 +0200
@@ -1715,21 +1715,30 @@
 GEN_STFS(fs, 0x14);

 /* Optional: */
 /* stfiwx */
 GEN_HANDLER(stfiwx, 0x1F, 0x17, 0x1E, 0x00000001, PPC_FLOAT)
 {
     if (!ctx->fpu_enabled) {
         RET_EXCP(ctx, EXCP_NO_FP, 0);
         return;
     }
-    RET_INVAL(ctx);
+
+    if (rA(ctx->opcode) == 0) {             
+        gen_op_load_gpr_T0(rB(ctx->opcode));
+    } else {                                
+        gen_op_load_gpr_T0(rA(ctx->opcode));
+        gen_op_load_gpr_T1(rB(ctx->opcode));
+        gen_op_add();
+    }                                    
+    gen_op_load_fpr_FT1(rS(ctx->opcode));
+    op_ldst(stfs);
 }
 
 /***                                Branch                                 ***/
 
 static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
 {
     TranslationBlock *tb;
     tb = ctx->tb; 
     if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) {
         if (n == 0)