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msp430.md (call_internal): Don't allow memory references with SP as the base register.

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* config/msp430/msp430.md (call_internal): Don't allow memory
references with SP as the base register.
(call_value_internal): Likewise.
* config/msp430/constraints.md (Yc): New.  For memory references
that don't use SP as a base register.

* config/msp430/msp430.c (msp430_print_operand): Add 'J' to mean
"an integer without a # prefix"
* config/msp430/msp430.md (epilogue_helper): Use it.

From-SVN: r206586
This commit is contained in:
DJ Delorie 2014-01-13 14:17:45 -05:00 • committed by DJ Delorie
parent 03b9e8e48d
commit fb28dac0ff
4 changed files with 31 additions and 4 deletions
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12
gcc/ChangeLog
View file

@ -1,3 +1,15 @@
2014-01-10 DJ Delorie <dj@redhat.com>
* config/msp430/msp430.md (call_internal): Don't allow memory
references with SP as the base register.
(call_value_internal): Likewise.
* config/msp430/constraints.md (Yc): New. For memory references
that don't use SP as a base register.
* config/msp430/msp430.c (msp430_print_operand): Add 'J' to mean
"an integer without a # prefix"
* config/msp430/msp430.md (epilogue_helper): Use it.
2014-01-13 Jakub Jelinek <jakub@redhat.com>
PR target/59617

13
gcc/config/msp430/constraints.md
View file

@ -70,3 +70,16 @@
(match_test ("IN_RANGE (INTVAL (XEXP (XEXP (op, 0), 1)), -1 << 15, (1 << 15)-1)"))))
(match_code "reg" "0")
)))
(define_constraint "Yc"
"Memory reference, for CALL - we can't use SP"
(and (match_code "mem")
(match_code "mem" "0")
(not (ior
(and (match_code "plus" "00")
(and (match_code "reg" "000")
(match_test ("REGNO (XEXP (XEXP (op, 0), 0)) != SP_REGNO"))))
(and (match_code "reg" "0")
(match_test ("REGNO (XEXP (XEXP (op, 0), 0)) != SP_REGNO")))
))))

4
gcc/config/msp430/msp430.c
View file

@ -1920,6 +1920,7 @@ msp430_print_operand_addr (FILE * file, rtx addr)
D bits 48-63 of a 64-bit value/reg 4 of a DImode value
H like %B (for backwards compatibility)
I inverse of value
J an integer without a # prefix
L like %A (for backwards compatibility)
O offset of the top of the stack
Q like X but generates an A postfix
@ -1950,7 +1951,6 @@ msp430_print_operand (FILE * file, rtx op, int letter)
/* Print the constant value, less four. */
fprintf (file, "#%ld", INTVAL (op) - 4);
return;
/* case 'D': used for "decimal without '#'" */
case 'I':
if (GET_CODE (op) == CONST_INT)
{
@ -2110,6 +2110,8 @@ msp430_print_operand (FILE * file, rtx op, int letter)
- 2);
return;
case 'J':
gcc_assert (GET_CODE (op) == CONST_INT);
case 0:
break;
default:

6
gcc/config/msp430/msp430.md
View file

@ -920,7 +920,7 @@
(define_insn "epilogue_helper"
[(unspec_volatile [(match_operand 0 "immediate_operand" "i")] UNS_EPILOGUE_HELPER)]
""
"BR%Q0\t#__mspabi_func_epilog_%0"
"BR%Q0\t#__mspabi_func_epilog_%J0"
)
@ -953,7 +953,7 @@
)
(define_insn "call_internal"
[(call (mem:HI (match_operand 0 "general_operand" "rmi"))
[(call (mem:HI (match_operand 0 "general_operand" "rYci"))
(match_operand 1 ""))]
""
"CALL%Q0\t%0"
@ -969,7 +969,7 @@
(define_insn "call_value_internal"
[(set (match_operand 0 "register_operand" "=r")
(call (mem:HI (match_operand 1 "general_operand" "rmi"))
(call (mem:HI (match_operand 1 "general_operand" "rYci"))
(match_operand 2 "")))]
""
"CALL%Q0\t%1"