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authorDJ Delorie <dj@redhat.com>2013-09-17 18:06:53 -0400
committerDJ Delorie <dj@gcc.gnu.org>2013-09-17 18:06:53 -0400
commit09d5094b2d48192f5e4cc7be9b123289c41a8f65 (patch)
treee5e26ad46d05059dc7f9d09b7380677ca2dc9b91 /gcc
parent2ba1dca17789ba97811561010f793f913c334c2e (diff)
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constraints.md (Wcv): Allow up to $r31.
* config/rl78/constraints.md (Wcv): Allow up to $r31. * config/rl78/rl78.c (rl78_asm_file_start: Likewise. (rl78_option_override): Likewise, if -mallregs. (is_virtual_register): Likewise. * config/rl78/rl78.h (reg_class): Extend VREGS to $r31. (REGNO_OK_FOR_BASE_P): Likewise. * config/rl78/rl78.opt (-mallregs): New. From-SVN: r202669
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog10
-rw-r--r--gcc/config/rl78/constraints.md4
-rw-r--r--gcc/config/rl78/rl78.c10
-rw-r--r--gcc/config/rl78/rl78.h4
-rw-r--r--gcc/config/rl78/rl78.opt4
5 files changed, 27 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index fc511f0..0a50e23 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,13 @@
+2013-09-17 DJ Delorie <dj@redhat.com>
+
+ * config/rl78/constraints.md (Wcv): Allow up to $r31.
+ * config/rl78/rl78.c (rl78_asm_file_start: Likewise.
+ (rl78_option_override): Likewise, if -mallregs.
+ (is_virtual_register): Likewise.
+ * config/rl78/rl78.h (reg_class): Extend VREGS to $r31.
+ (REGNO_OK_FOR_BASE_P): Likewise.
+ * config/rl78/rl78.opt (-mallregs): New.
+
2013-09-17 Nick Clifton <nickc@redhat.com>
* config/rl78/rl78.c (need_to_save): Change return type to bool.
diff --git a/gcc/config/rl78/constraints.md b/gcc/config/rl78/constraints.md
index 2c5ffd8..bb0e40c 100644
--- a/gcc/config/rl78/constraints.md
+++ b/gcc/config/rl78/constraints.md
@@ -263,10 +263,10 @@
)
(define_memory_constraint "Ccv"
- "[AX..HL,r8-r23] for calls"
+ "[AX..HL,r8-r31] for calls"
(and (match_code "mem")
(and (match_code "reg" "0")
- (match_test "REGNO (XEXP (op, 0)) < 24")))
+ (match_test "REGNO (XEXP (op, 0)) < 31")))
)
(define_memory_constraint "Wcv"
"es:[AX..HL,r8-r23] for calls"
diff --git a/gcc/config/rl78/rl78.c b/gcc/config/rl78/rl78.c
index 70e1dee..41fec46 100644
--- a/gcc/config/rl78/rl78.c
+++ b/gcc/config/rl78/rl78.c
@@ -272,6 +272,7 @@ rl78_asm_file_start (void)
{
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);
+ fprintf (asm_out_file, "r%d\t=\t0x%x\n", 24 + i, 0xffee0 + i);
}
}
@@ -309,6 +310,13 @@ rl78_option_override (void)
flag_split_wide_types = 0;
init_machine_status = rl78_init_machine_status;
+
+ if (TARGET_ALLREGS)
+ {
+ int i;
+ for (i=24; i<32; i++)
+ fixed_regs[i] = 0;
+ }
}
/* Most registers are 8 bits. Some are 16 bits because, for example,
@@ -2215,7 +2223,7 @@ is_virtual_register (rtx r)
{
return (GET_CODE (r) == REG
&& REGNO (r) >= 8
- && REGNO (r) < 24);
+ && REGNO (r) < 32);
}
/* In all these alloc routines, we expect the following: the insn
diff --git a/gcc/config/rl78/rl78.h b/gcc/config/rl78/rl78.h
index 8cf634e..2dfa1da 100644
--- a/gcc/config/rl78/rl78.h
+++ b/gcc/config/rl78/rl78.h
@@ -265,7 +265,7 @@ enum reg_class
{ 0x00000300, 0x00000000 }, /* R8 - HImode */ \
{ 0x00000c00, 0x00000000 }, /* R10 - HImode */ \
{ 0xff000000, 0x00000000 }, /* INT - HImode */ \
- { 0x007fff00, 0x00000000 }, /* Virtual registers. */ \
+ { 0xff7fff00, 0x00000000 }, /* Virtual registers. */ \
{ 0xff7fffff, 0x00000002 }, /* General registers. */ \
{ 0x04000000, 0x00000004 }, /* PSW. */ \
{ 0xff7fffff, 0x0000001f } /* All registers. */ \
@@ -352,7 +352,7 @@ enum reg_class
&& reg_renumber[(REGNO)] <= (MAX)))
#ifdef REG_OK_STRICT
-#define REGNO_OK_FOR_BASE_P(regno) REGNO_IN_RANGE (regno, 16, 23)
+#define REGNO_OK_FOR_BASE_P(regno) REGNO_IN_RANGE (regno, 16, 31)
#else
#define REGNO_OK_FOR_BASE_P(regno) 1
#endif
diff --git a/gcc/config/rl78/rl78.opt b/gcc/config/rl78/rl78.opt
index 9b573c1..5fc8816 100644
--- a/gcc/config/rl78/rl78.opt
+++ b/gcc/config/rl78/rl78.opt
@@ -42,6 +42,10 @@ Enum(rl78_mul_types) String(rl78) Value(MUL_RL78)
EnumValue
Enum(rl78_mul_types) String(g13) Value(MUL_G13)
+mallregs
+Target Mask(ALLREGS)
+Use all registers, reserving none for interrupt handlers.
+
mrelax
Target
Enable assembler and linker relaxation.