aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--gcc/ChangeLog14
-rw-r--r--gcc/config/rl78/rl78.c65
-rw-r--r--gcc/config/rl78/rl78.h3
-rw-r--r--gcc/config/rl78/rl78.opt4
-rw-r--r--gcc/config/rl78/t-rl785
-rw-r--r--libgcc/ChangeLog9
-rw-r--r--libgcc/config/rl78/cmpsi2.S3
-rw-r--r--libgcc/config/rl78/lib2div.c2
-rw-r--r--libgcc/config/rl78/lib2mul.c15
-rw-r--r--libgcc/config/rl78/lshrsi3.S17
-rw-r--r--libgcc/config/rl78/mulsi3.S37
-rw-r--r--libgcc/config/rl78/trampoline.S4
12 files changed, 111 insertions, 67 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index fbcd00d..cc19359 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,17 @@
+2013-09-16 DJ Delorie <dj@redhat.com>
+
+ * config/rl78/rl78.c (rl78_asm_file_start): Specify alternate
+ vregs location for RL78/G10.
+ (rl78_expand_prologue): Avoid SEL on G10.
+ (rl78_expand_epilogue): Likewise.
+ (rl78_peep_movhi_p): Can't move a constant to memory in HImode.
+ * config/rl78/rl78.h (TARGET_CPU_CPP_BUILTINS): Define
+ __RL78_G10__ when appropriate.
+ (ASM_SPEC): Pass -mg10 along to the assembler.
+ * config/rl78/rl78.md (sel_rb): Disable for G10.
+ * config/rl78/rl78.opt: Add -mg10 option.
+ * config/rl78/t-rl78: Add -mg10 multilib.
+
2013-09-16 Xinliang David Li <davidxl@google.com>
* tree-if-conv.c (main_tree_if_conversion): Check new flag.
diff --git a/gcc/config/rl78/rl78.c b/gcc/config/rl78/rl78.c
index 3f13955..d99cecf 100644
--- a/gcc/config/rl78/rl78.c
+++ b/gcc/config/rl78/rl78.c
@@ -259,10 +259,20 @@ rl78_asm_file_start (void)
{
int i;
- for (i = 0; i < 8; i++)
+ if (TARGET_G10)
{
- fprintf (asm_out_file, "r%d\t=\t0x%x\n", 8 + i, 0xffef0 + i);
- fprintf (asm_out_file, "r%d\t=\t0x%x\n", 16 + i, 0xffee8 + i);
+ /* The memory used is 0xffec8 to 0xffedf; real registers are in
+ 0xffee0 to 0xffee7. */
+ for (i = 8; i < 32; i++)
+ fprintf (asm_out_file, "r%d\t=\t0x%x\n", i, 0xffec0 + i);
+ }
+ else
+ {
+ for (i = 0; i < 8; i++)
+ {
+ fprintf (asm_out_file, "r%d\t=\t0x%x\n", 8 + i, 0xffef0 + i);
+ fprintf (asm_out_file, "r%d\t=\t0x%x\n", 16 + i, 0xffee8 + i);
+ }
}
opt_pass *rl78_devirt_pass = make_pass_rl78_devirt (g);
@@ -1018,19 +1028,26 @@ rl78_expand_prologue (void)
if (flag_stack_usage_info)
current_function_static_stack_size = cfun->machine->framesize;
- if (is_interrupt_func (cfun->decl))
+ if (is_interrupt_func (cfun->decl) && !TARGET_G10)
emit_insn (gen_sel_rb (GEN_INT (0)));
for (i = 0; i < 16; i++)
if (cfun->machine->need_to_push [i])
{
- int need_bank = i/4;
- if (need_bank != rb)
+ if (TARGET_G10)
{
- emit_insn (gen_sel_rb (GEN_INT (need_bank)));
- rb = need_bank;
+ emit_move_insn (gen_rtx_REG (HImode, 0), gen_rtx_REG (HImode, i*2));
+ F (emit_insn (gen_push (gen_rtx_REG (HImode, 0))));
}
- F (emit_insn (gen_push (gen_rtx_REG (HImode, i*2))));
+ else {
+ int need_bank = i/4;
+ if (need_bank != rb)
+ {
+ emit_insn (gen_sel_rb (GEN_INT (need_bank)));
+ rb = need_bank;
+ }
+ F (emit_insn (gen_push (gen_rtx_REG (HImode, i*2))));
+ }
}
if (rb != 0)
emit_insn (gen_sel_rb (GEN_INT (0)));
@@ -1085,14 +1102,22 @@ rl78_expand_epilogue (void)
for (i = 15; i >= 0; i--)
if (cfun->machine->need_to_push [i])
{
- int need_bank = i / 4;
-
- if (need_bank != rb)
+ if (TARGET_G10)
{
- emit_insn (gen_sel_rb (GEN_INT (need_bank)));
- rb = need_bank;
+ emit_insn (gen_pop (gen_rtx_REG (HImode, 0)));
+ emit_move_insn (gen_rtx_REG (HImode, i*2), gen_rtx_REG (HImode, 0));
+ }
+ else
+ {
+ int need_bank = i / 4;
+
+ if (need_bank != rb)
+ {
+ emit_insn (gen_sel_rb (GEN_INT (need_bank)));
+ rb = need_bank;
+ }
+ emit_insn (gen_pop (gen_rtx_REG (HImode, i * 2)));
}
- emit_insn (gen_pop (gen_rtx_REG (HImode, i * 2)));
}
if (rb != 0)
@@ -1630,6 +1655,16 @@ rl78_peep_movhi_p (rtx *operands)
fprintf (stderr, "\033[0m");
#endif
+ /* You can move a constant to memory as QImode, but not HImode. */
+ if (GET_CODE (operands[0]) == MEM
+ && GET_CODE (operands[1]) != REG)
+ {
+#if DEBUG_PEEP
+ fprintf (stderr, "no peep: move constant to memory\n");
+#endif
+ return false;
+ }
+
if (rtx_equal_p (operands[0], operands[3]))
{
#if DEBUG_PEEP
diff --git a/gcc/config/rl78/rl78.h b/gcc/config/rl78/rl78.h
index 00d2b83..8cf634e 100644
--- a/gcc/config/rl78/rl78.h
+++ b/gcc/config/rl78/rl78.h
@@ -32,6 +32,8 @@
builtin_define ("__RL78_MUL_RL78__"); \
if (RL78_MUL_G13) \
builtin_define ("__RL78_MUL_G13__"); \
+ if (TARGET_G10) \
+ builtin_define ("__RL78_G10__"); \
} \
while (0)
@@ -44,6 +46,7 @@
#undef ASM_SPEC
#define ASM_SPEC "\
%{mrelax:-relax} \
+%{mg10} \
"
#undef LINK_SPEC
diff --git a/gcc/config/rl78/rl78.opt b/gcc/config/rl78/rl78.opt
index 1538b89..9b573c1 100644
--- a/gcc/config/rl78/rl78.opt
+++ b/gcc/config/rl78/rl78.opt
@@ -45,3 +45,7 @@ Enum(rl78_mul_types) String(g13) Value(MUL_G13)
mrelax
Target
Enable assembler and linker relaxation.
+
+mg10
+Target Mask(G10)
+Target the RL78/G10 series
diff --git a/gcc/config/rl78/t-rl78 b/gcc/config/rl78/t-rl78
index ed7ee74..30705b3 100644
--- a/gcc/config/rl78/t-rl78
+++ b/gcc/config/rl78/t-rl78
@@ -20,3 +20,8 @@
rl78-c.o: $(srcdir)/config/rl78/rl78-c.c $(RTL_H) $(TREE_H) $(CONFIG_H) $(TM_H)
$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $<
+
+# Enable multilibs:
+
+MULTILIB_OPTIONS = mg10
+MULTILIB_DIRNAMES = g10
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 518a26c..728360c 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,12 @@
+2013-09-16 DJ Delorie <dj@redhat.com>
+
+ * config/rl78/lib2mul.c: Enable for RL78/G10.
+ * config/rl78/lib2div.c: Likewise.
+ * config/rl78/lshrsi3.S: Use vregs.h.
+ * config/rl78/cmpsi2.S: Likewise.
+ * config/rl78/trampoline.S: Likewise.
+ * config/rl78/mulsi2.S: Likewise. Disable for RL78/G10.
+
2013-09-14 DJ Delorie <dj@redhat.com>
Nick Clifton <nickc@redhat.com>
diff --git a/libgcc/config/rl78/cmpsi2.S b/libgcc/config/rl78/cmpsi2.S
index d815793..7fdc76a 100644
--- a/libgcc/config/rl78/cmpsi2.S
+++ b/libgcc/config/rl78/cmpsi2.S
@@ -21,8 +21,7 @@
; <http://www.gnu.org/licenses/>.
-; clobberable
-r8 = 0xffef0
+#include "vregs.h"
.text
diff --git a/libgcc/config/rl78/lib2div.c b/libgcc/config/rl78/lib2div.c
index 4b5033e..b37f55a 100644
--- a/libgcc/config/rl78/lib2div.c
+++ b/libgcc/config/rl78/lib2div.c
@@ -34,7 +34,7 @@ typedef int word_type __attribute__ ((mode (__word__)));
#define C3B(a,b,c) a##b##c
#define C3(a,b,c) C3B(a,b,c)
-#if 0
+#ifdef __RL78_G10__
#define UINT_TYPE uint32_type
#define SINT_TYPE sint32_type
diff --git a/libgcc/config/rl78/lib2mul.c b/libgcc/config/rl78/lib2mul.c
index 6460f9e..fee5081 100644
--- a/libgcc/config/rl78/lib2mul.c
+++ b/libgcc/config/rl78/lib2mul.c
@@ -30,12 +30,25 @@ typedef unsigned int uint08_type __attribute__ ((mode (QI)));
#define C3B(a,b,c) a##b##c
#define C3(a,b,c) C3B(a,b,c)
+#ifdef __RL78_G10__
+
+#define UINT_TYPE uint32_type
+#define BITS_MINUS_1 31
+#define NAME_MODE si
+
+#include "rl78-mul.h"
+
+#undef UINT_TYPE
+#undef BITS_MINUS_1
+#undef NAME_MODE
#define UINT_TYPE uint16_type
#define BITS_MINUS_1 15
#define NAME_MODE hi
-/*#include "rl78-mul.h"*/
+#include "rl78-mul.h"
+
+#endif
#undef UINT_TYPE
#undef BITS_MINUS_1
diff --git a/libgcc/config/rl78/lshrsi3.S b/libgcc/config/rl78/lshrsi3.S
index 1ee7325..8bd9978 100644
--- a/libgcc/config/rl78/lshrsi3.S
+++ b/libgcc/config/rl78/lshrsi3.S
@@ -20,22 +20,7 @@
; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
; <http://www.gnu.org/licenses/>.
-r8 = 0xffef0
-r16 = 0xffee8
-r9 = 0xffef1
-r17 = 0xffee9
-r10 = 0xffef2
-r18 = 0xffeea
-r11 = 0xffef3
-r19 = 0xffeeb
-r12 = 0xffef4
-r20 = 0xffeec
-r13 = 0xffef5
-r21 = 0xffeed
-r14 = 0xffef6
-r22 = 0xffeee
-r15 = 0xffef7
-r23 = 0xffeef
+#include "vregs.h"
.text
.global ___lshrsi3
diff --git a/libgcc/config/rl78/mulsi3.S b/libgcc/config/rl78/mulsi3.S
index 012e87e..1ce45ba 100644
--- a/libgcc/config/rl78/mulsi3.S
+++ b/libgcc/config/rl78/mulsi3.S
@@ -22,35 +22,12 @@
;; 32x32=32 multiply
-; real
-; GAS defines r0..r7 as aliases for real registers; we want the saddr
-; forms here.
-r_0 = 0xffef8
-r_1 = 0xffef9
-r_2 = 0xffefa
-r_3 = 0xffefb
-r_4 = 0xffefc
-r_5 = 0xffefd
-r_6 = 0xffefe
-r_7 = 0xffeff
-; clobberable
-r8 = 0xffef0
-r9 = 0xffef1
-r10 = 0xffef2
-r11 = 0xffef3
-r12 = 0xffef4
-r13 = 0xffef5
-r14 = 0xffef6
-r15 = 0xffef7
-; preserved
-r16 = 0xffee8
-r17 = 0xffee9
-r18 = 0xffeea
-r19 = 0xffeeb
-r20 = 0xffeec
-r21 = 0xffeed
-r22 = 0xffeee
-r23 = 0xffeef
+#include "vregs.h"
+
+; the G10 only has one register bank, so cannot use these optimized
+; versions. Use the C version instead.
+
+#ifndef __RL78_G10__
;----------------------------------------------------------------------
@@ -221,3 +198,5 @@ ___mulhi3:
.Lmul_hi_done:
ret
+
+#endif
diff --git a/libgcc/config/rl78/trampoline.S b/libgcc/config/rl78/trampoline.S
index b15b0d3..59d429e 100644
--- a/libgcc/config/rl78/trampoline.S
+++ b/libgcc/config/rl78/trampoline.S
@@ -32,9 +32,7 @@
*/
-r8 = 0xffef0
-r10 = 0xffef2
-r14 = 0xffef6
+#include "vregs.h"
.data
.p2align 1