sim: h8300: move unused/buggy lregs array

This array isn't used anywhere, and the init phase actually corrupts
some memory because the array has 18 elements but tries to set the
19th (ZERO) position.

diff --git a/sim/h8300/ChangeLog b/sim/h8300/ChangeLog
index b4ad754..b293b29 100644 (file)
--- a/sim/h8300/ChangeLog
+++ b/sim/h8300/ChangeLog
@@ -1,5 +1,10 @@
 2015-12-30  Mike Frysinger  <vapier@gentoo.org>
 
+       * compile.c (lreg): Delete.
+       (init_pointers): Delete lreg assignments.
+
+2015-12-30  Mike Frysinger  <vapier@gentoo.org>
+
        * inst.h: Delete file.
        * Makefile.in (compile.o): Delete rule.
 

diff --git a/sim/h8300/compile.c b/sim/h8300/compile.c
index bc91725..beb2ab6 100644 (file)
--- a/sim/h8300/compile.c
+++ b/sim/h8300/compile.c
@@ -1251,7 +1251,6 @@ compile (SIM_DESC sd, int pc)
 
 static unsigned char  *breg[32];
 static unsigned short *wreg[16];
-static unsigned int   *lreg[18];
 
 #define GET_B_REG(X)     *(breg[X])
 #define SET_B_REG(X, Y) (*(breg[X])) = (Y)
@@ -1828,11 +1827,8 @@ init_pointers (SIM_DESC sd)
            sim_io_printf (sd, "init_pointers: internal error.\n");
 
          h8_set_reg (sd, i, 0);
-         lreg[i] = h8_get_reg_buf (sd) + i;
        }
 
-      /* Note: sim uses pseudo-register ZERO as a zero register.  */
-      lreg[ZERO_REGNUM] = h8_get_reg_buf (sd) + ZERO_REGNUM;
       init_pointers_needed = 0;
 
       /* Initialize the seg registers.  */