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i386.c: Don't error on EXTRA_CONSTRAINT defined.

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* config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
        (call_insn_operand): Don't expect a surrounding mem.
        (constant_call_address_operand): Likewise.
        * config/i386/i386.h (PREDICATE_CODES): Update.
        * config/i386/i386.md (call patterns): Move the match_operand
        for the call destination inside the mem.

From-SVN: r36024
This commit is contained in:
Richard Henderson 2000-08-28 17:51:21 -07:00 committed by Richard Henderson
parent c2cba7a96e
commit e1ff012cf8
4 changed files with 25 additions and 35 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2000-08-28 Richard Henderson <rth@cygnus.com>
* config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
(call_insn_operand): Don't expect a surrounding mem.
(constant_call_address_operand): Likewise.
* config/i386/i386.h (PREDICATE_CODES): Update.
* config/i386/i386.md (call patterns): Move the match_operand
for the call destination inside the mem.
2000-08-28 Richard Henderson <rth@cygnus.com>
* local-alloc.c (requires_inout): Don't use reserved range for

17
gcc/config/i386/i386.c
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@ -42,15 +42,6 @@ Boston, MA 02111-1307, USA. */
#include "basic-block.h"
#include "ggc.h"
#ifdef EXTRA_CONSTRAINT
/* If EXTRA_CONSTRAINT is defined, then the 'S'
constraint in REG_CLASS_FROM_LETTER will no longer work, and various
asm statements that need 'S' for class SIREG will break. */
error EXTRA_CONSTRAINT conflicts with S constraint letter
/* The previous line used to be #error, but some compilers barf
even if the conditional was untrue. */
#endif
#ifndef CHECK_STACK_LIMIT
#define CHECK_STACK_LIMIT -1
#endif
@ -1078,10 +1069,6 @@ call_insn_operand (op, mode)
rtx op;
enum machine_mode mode ATTRIBUTE_UNUSED;
{
if (GET_CODE (op) != MEM)
return 0;
op = XEXP (op, 0);
/* Disallow indirect through a virtual register. This leads to
compiler aborts when trying to eliminate them. */
if (GET_CODE (op) == REG
@ -1114,9 +1101,7 @@ constant_call_address_operand (op, mode)
rtx op;
enum machine_mode mode ATTRIBUTE_UNUSED;
{
return (GET_CODE (op) == MEM
&& CONSTANT_ADDRESS_P (XEXP (op, 0))
&& GET_CODE (XEXP (op, 0)) != CONST_INT);
return GET_CODE (op) == SYMBOL_REF;
}
/* Match exactly zero and one. */

4
gcc/config/i386/i386.h
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@ -2585,8 +2585,8 @@ do { long l; \
{"aligned_operand", {CONST_INT, CONST_DOUBLE, CONST, SYMBOL_REF, \
LABEL_REF, SUBREG, REG, MEM}}, \
{"pic_symbolic_operand", {CONST}}, \
{"call_insn_operand", {MEM}}, \
{"constant_call_address_operand", {MEM}}, \
{"call_insn_operand", {REG, SUBREG, MEM, SYMBOL_REF}}, \
{"constant_call_address_operand", {SYMBOL_REF}}, \
{"const0_operand", {CONST_INT, CONST_DOUBLE}}, \
{"const1_operand", {CONST_INT}}, \
{"const248_operand", {CONST_INT}}, \

30
gcc/config/i386/i386.md
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@ -8457,12 +8457,12 @@
&& (GET_CODE (XEXP (operands[0], 0)) != SYMBOL_REF
|| !SYMBOL_REF_FLAG (XEXP (operands[0], 0))))
current_function_uses_pic_offset_table = 1;
if (! call_insn_operand (operands[0], QImode))
if (! call_insn_operand (XEXP (operands[0], 0), Pmode))
XEXP (operands[0], 0) = copy_to_mode_reg (Pmode, XEXP (operands[0], 0));
}")
(define_insn "*call_pop_0"
[(call (match_operand:QI 0 "constant_call_address_operand" "")
[(call (mem:QI (match_operand:SI 0 "constant_call_address_operand" ""))
(match_operand:SI 1 "" ""))
(set (reg:SI 7) (plus:SI (reg:SI 7)
(match_operand:SI 3 "immediate_operand" "")))]
@ -8477,21 +8477,20 @@
[(set_attr "type" "call")])
(define_insn "*call_pop_1"
[(call (match_operand:QI 0 "call_insn_operand" "m")
[(call (mem:QI (match_operand:SI 0 "call_insn_operand" "rsm"))
(match_operand:SI 1 "" ""))
(set (reg:SI 7) (plus:SI (reg:SI 7)
(match_operand:SI 3 "immediate_operand" "i")))]
""
"*
{
if (constant_call_address_operand (operands[0], QImode))
if (constant_call_address_operand (operands[0], Pmode))
{
if (SIBLING_CALL_P (insn))
return \"jmp\\t%P0\";
else
return \"call\\t%P0\";
}
operands[0] = XEXP (operands[0], 0);
if (SIBLING_CALL_P (insn))
return \"jmp\\t%*%0\";
else
@ -8513,12 +8512,12 @@
&& (GET_CODE (XEXP (operands[0], 0)) != SYMBOL_REF
|| !SYMBOL_REF_FLAG (XEXP (operands[0], 0))))
current_function_uses_pic_offset_table = 1;
if (! call_insn_operand (operands[0], QImode))
if (! call_insn_operand (XEXP (operands[0], 0), Pmode))
XEXP (operands[0], 0) = copy_to_mode_reg (Pmode, XEXP (operands[0], 0));
}")
(define_insn "*call_0"
[(call (match_operand:QI 0 "constant_call_address_operand" "")
[(call (mem:QI (match_operand:SI 0 "constant_call_address_operand" ""))
(match_operand:SI 1 "" ""))]
""
"*
@ -8531,7 +8530,7 @@
[(set_attr "type" "call")])
(define_insn "*call_1"
[(call (match_operand:QI 0 "call_insn_operand" "m")
[(call (mem:QI (match_operand:SI 0 "call_insn_operand" "rsm"))
(match_operand:SI 1 "" ""))]
""
"*
@ -8543,7 +8542,6 @@
else
return \"call\\t%P0\";
}
operands[0] = XEXP (operands[0], 0);
if (SIBLING_CALL_P (insn))
return \"jmp\\t%*%0\";
else
@ -8576,7 +8574,7 @@
&& (GET_CODE (XEXP (operands[1], 0)) != SYMBOL_REF
|| !SYMBOL_REF_FLAG (XEXP (operands[1], 0))))
current_function_uses_pic_offset_table = 1;
if (! call_insn_operand (operands[1], QImode))
if (! call_insn_operand (XEXP (operands[1], 0), Pmode))
XEXP (operands[1], 0) = copy_to_mode_reg (Pmode, XEXP (operands[1], 0));
}")
@ -8595,7 +8593,7 @@
&& (GET_CODE (XEXP (operands[1], 0)) != SYMBOL_REF
|| !SYMBOL_REF_FLAG (XEXP (operands[1], 0))))
current_function_uses_pic_offset_table = 1;
if (! call_insn_operand (operands[1], QImode))
if (! call_insn_operand (XEXP (operands[1], 0), Pmode))
XEXP (operands[1], 0) = copy_to_mode_reg (Pmode, XEXP (operands[1], 0));
}")
@ -11056,7 +11054,7 @@
(define_insn "*call_value_pop_0"
[(set (match_operand 0 "" "")
(call (match_operand:QI 1 "constant_call_address_operand" "")
(call (mem:QI (match_operand:SI 1 "constant_call_address_operand" ""))
(match_operand:SI 2 "" "")))
(set (reg:SI 7) (plus:SI (reg:SI 7)
(match_operand:SI 4 "immediate_operand" "")))]
@ -11072,7 +11070,7 @@
(define_insn "*call_value_pop_1"
[(set (match_operand 0 "" "")
(call (match_operand:QI 1 "call_insn_operand" "m")
(call (mem:QI (match_operand:SI 1 "call_insn_operand" "rsm"))
(match_operand:SI 2 "" "")))
(set (reg:SI 7) (plus:SI (reg:SI 7)
(match_operand:SI 4 "immediate_operand" "i")))]
@ -11086,7 +11084,6 @@
else
return \"call\\t%P1\";
}
operands[1] = XEXP (operands[1], 0);
if (SIBLING_CALL_P (insn))
return \"jmp\\t%*%1\";
else
@ -11096,7 +11093,7 @@
(define_insn "*call_value_0"
[(set (match_operand 0 "" "")
(call (match_operand:QI 1 "constant_call_address_operand" "")
(call (mem:QI (match_operand:SI 1 "constant_call_address_operand" ""))
(match_operand:SI 2 "" "")))]
""
"*
@ -11110,7 +11107,7 @@
(define_insn "*call_value_1"
[(set (match_operand 0 "" "")
(call (match_operand:QI 1 "call_insn_operand" "m")
(call (mem:QI (match_operand:SI 1 "call_insn_operand" "rsm"))
(match_operand:SI 2 "" "")))]
""
"*
@ -11122,7 +11119,6 @@
else
return \"call\\t%P1\";
}
operands[1] = XEXP (operands[1], 0);
if (SIBLING_CALL_P (insn))
return \"jmp\\t%*%1\";
else