sim: erc32: fix -Wunused-but-set-variable warnings

diff --git a/sim/erc32/erc32.c b/sim/erc32/erc32.c
index ec72ae070a4b945e05431427e421e8b257928687..32c45bddb6804fc5868d68676937e11713f7f41a 100644 (file)
--- a/sim/erc32/erc32.c
+++ b/sim/erc32/erc32.c
@@ -1042,10 +1042,6 @@ port_init(void)
 static uint32_t
 read_uart(uint32_t addr)
 {
-
-    unsigned        tmp;
-
-    tmp = 0;
     switch (addr & 0xff) {
 
     case 0xE0:                 /* UART 1 */
@@ -1071,7 +1067,7 @@ read_uart(uint32_t addr)
 
        }
 #else
-       tmp = uarta_data;
+       unsigned tmp = uarta_data;
        uarta_data &= ~UART_DR;
        uart_stat_reg &= ~UARTA_DR;
        return tmp;
@@ -1103,7 +1099,7 @@ read_uart(uint32_t addr)
 
        }
 #else
-       tmp = uartb_data;
+       unsigned tmp = uartb_data;
        uartb_data &= ~UART_DR;
        uart_stat_reg &= ~UARTB_DR;
        return tmp;

diff --git a/sim/erc32/func.c b/sim/erc32/func.c
index 85f71817dfdb8c87c1734261b9779c3be2d62956..f1b230a8f918ecb5dca081cd6b6d9dadada1d348 100644 (file)
--- a/sim/erc32/func.c
+++ b/sim/erc32/func.c
@@ -687,11 +687,8 @@ int_handler(int32_t sig)
 void
 init_signals(void)
 {
-    typedef void    (*PFI) ();
-    static PFI      int_tab[2];
-
-    int_tab[0] = signal(SIGTERM, int_handler);
-    int_tab[1] = signal(SIGINT, int_handler);
+    signal(SIGTERM, int_handler);
+    signal(SIGINT, int_handler);
 }
 
 
@@ -706,7 +703,6 @@ disp_fpu(struct pstate *sregs)
 {
 
     int         i;
-    float      t;
 
     printf("\n fsr: %08X\n\n", sregs->fsr);
 
@@ -716,7 +712,6 @@ disp_fpu(struct pstate *sregs)
 #endif
 
     for (i = 0; i < 32; i++) {
-       t = sregs->fs[i];
        printf(" f%02d  %08x  %14e  ", i, sregs->fsi[i], sregs->fs[i]);
        if (!(i & 1))
            printf("%14e\n", sregs->fd[i >> 1]);
@@ -1006,7 +1001,6 @@ bfd_load (const char *fname)
 {
     asection       *section;
     bfd            *pbfd;
-    const bfd_arch_info_type *arch;
     int            i;
 
     pbfd = bfd_openr(fname, 0);
@@ -1020,7 +1014,6 @@ bfd_load (const char *fname)
        return -1;
     }
 
-    arch = bfd_get_arch_info (pbfd);
     if (sis_verbose)
        printf("loading %s:", fname);
     for (section = pbfd->sections; section; section = section->next) {