2009-04-02 Christian Bruel <christian.bruel@st.com>
* config/sh/sh.c (sh_dwarf_register_span): New function.
(TARGET_DWARF_REGISTER_SPAN): Define.
* config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@145448
138bc75d-0d04-0410-961f-
82ee72b054a4
+2009-04-02 Christian Bruel <christian.bruel@st.com>
+
+ * config/sh/sh.c (sh_dwarf_register_span): New function.
+ (TARGET_DWARF_REGISTER_SPAN): Define.
+ * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
+
2009-04-02 Ira Rosen <irar@il.ibm.com>
PR tree-optimization/39595
2009-04-02 Ira Rosen <irar@il.ibm.com>
PR tree-optimization/39595
extern int sh_pass_in_reg_p (CUMULATIVE_ARGS *, enum machine_mode, tree);
extern void sh_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree, signed int, enum machine_mode);
extern bool sh_promote_prototypes (const_tree);
extern int sh_pass_in_reg_p (CUMULATIVE_ARGS *, enum machine_mode, tree);
extern void sh_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree, signed int, enum machine_mode);
extern bool sh_promote_prototypes (const_tree);
+extern rtx sh_dwarf_register_span (rtx);
extern rtx replace_n_hard_rtx (rtx, rtx *, int , int);
extern int shmedia_cleanup_truncate (rtx *, void *);
extern rtx replace_n_hard_rtx (rtx, rtx *, int , int);
extern int shmedia_cleanup_truncate (rtx *, void *);
#undef TARGET_MACHINE_DEPENDENT_REORG
#define TARGET_MACHINE_DEPENDENT_REORG sh_reorg
#undef TARGET_MACHINE_DEPENDENT_REORG
#define TARGET_MACHINE_DEPENDENT_REORG sh_reorg
+#undef TARGET_DWARF_REGISTER_SPAN
+#define TARGET_DWARF_REGISTER_SPAN sh_dwarf_register_span
+
#ifdef HAVE_AS_TLS
#undef TARGET_HAVE_TLS
#define TARGET_HAVE_TLS true
#ifdef HAVE_AS_TLS
#undef TARGET_HAVE_TLS
#define TARGET_HAVE_TLS true
+/* 64 bit floating points memory transfers are paired single precision loads
+ or store. So DWARF information needs fixing in little endian (unless
+ PR=SZ=1 in FPSCR). */
+rtx
+sh_dwarf_register_span (rtx reg)
+{
+ unsigned regno = REGNO (reg);
+
+ if (WORDS_BIG_ENDIAN || GET_MODE (reg) != DFmode)
+ return NULL_RTX;
+
+ return
+ gen_rtx_PARALLEL (VOIDmode,
+ gen_rtvec (2,
+ gen_rtx_REG (SFmode,
+ DBX_REGISTER_NUMBER (regno+1)),
+ gen_rtx_REG (SFmode,
+ DBX_REGISTER_NUMBER (regno))));
+}
+
bool
sh_promote_prototypes (const_tree type)
{
bool
sh_promote_prototypes (const_tree type)
{