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re PR middle-end/8408 (simple legal c program ice in fixup_var_refs_1, at function.c:1938)

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PR middle-end/8408
        * genrecog.c (preds): Handle ADDRESSOF.
        (validate_pattern): Mark it as an lvalue.
	* gcc.c-torture/compile/20021103-1.c: New.

From-SVN: r58774
This commit is contained in:
Eric Botcazou 2002-11-04 00:42:51 +01:00 committed by Richard Henderson
parent 7189ea2902
commit 0b40e88e10
3 changed files with 25 additions and 7 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2002-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
PR middle-end/8408
* genrecog.c (preds): Handle ADDRESSOF.
(validate_pattern): Mark it as an lvalue.
2002-11-02 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.c (rs6000_override_options): Use string

16
gcc/genrecog.c
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@ -187,22 +187,23 @@ static const struct pred_table
const RTX_CODE codes[NUM_RTX_CODE];
} preds[] = {
{"general_operand", {CONST_INT, CONST_DOUBLE, CONST, SYMBOL_REF,
LABEL_REF, SUBREG, REG, MEM}},
LABEL_REF, SUBREG, REG, MEM, ADDRESSOF}},
#ifdef PREDICATE_CODES
PREDICATE_CODES
#endif
{"address_operand", {CONST_INT, CONST_DOUBLE, CONST, SYMBOL_REF,
LABEL_REF, SUBREG, REG, MEM, PLUS, MINUS, MULT}},
{"register_operand", {SUBREG, REG}},
{"pmode_register_operand", {SUBREG, REG}},
LABEL_REF, SUBREG, REG, MEM, ADDRESSOF,
PLUS, MINUS, MULT}},
{"register_operand", {SUBREG, REG, ADDRESSOF}},
{"pmode_register_operand", {SUBREG, REG, ADDRESSOF}},
{"scratch_operand", {SCRATCH, REG}},
{"immediate_operand", {CONST_INT, CONST_DOUBLE, CONST, SYMBOL_REF,
LABEL_REF}},
{"const_int_operand", {CONST_INT}},
{"const_double_operand", {CONST_INT, CONST_DOUBLE}},
{"nonimmediate_operand", {SUBREG, REG, MEM}},
{"nonimmediate_operand", {SUBREG, REG, MEM, ADDRESSOF}},
{"nonmemory_operand", {CONST_INT, CONST_DOUBLE, CONST, SYMBOL_REF,
LABEL_REF, SUBREG, REG}},
LABEL_REF, SUBREG, REG, ADDRESSOF}},
{"push_operand", {MEM}},
{"pop_operand", {MEM}},
{"memory_operand", {SUBREG, MEM}},
@ -211,7 +212,7 @@ static const struct pred_table
UNORDERED, ORDERED, UNEQ, UNGE, UNGT, UNLE,
UNLT, LTGT}},
{"mode_independent_operand", {CONST_INT, CONST_DOUBLE, CONST, SYMBOL_REF,
LABEL_REF, SUBREG, REG, MEM}}
LABEL_REF, SUBREG, REG, MEM, ADDRESSOF}}
};
#define NUM_KNOWN_PREDS ARRAY_SIZE (preds)
@ -520,6 +521,7 @@ validate_pattern (pattern, insn, set, set_code)
if (c != REG
&& c != SUBREG
&& c != MEM
&& c != ADDRESSOF
&& c != CONCAT
&& c != PARALLEL
&& c != STRICT_LOW_PART)

10
gcc/testsuite/gcc.c-torture/compile/20021103-1.c Normal file
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@ -0,0 +1,10 @@
/* PR middle-end/8408 */
/* Verify that the recognizer explicitly
handles ADDRESSOF operands. */
void foo(void)
{
double d1 = 3.14159, d2;
if (&d2 == &d1)
;
}