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From-SVN: r245
This commit is contained in:
Richard Kenner 1992-01-28 14:31:58 -05:00
parent 1fcea2b0e8
commit 2ac4fed045
1 changed files with 6 additions and 1 deletions
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7
gcc/rtlanal.c
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@ -364,6 +364,8 @@ reg_referenced_p (x, body)
case TRAP_IF:
return reg_overlap_mentioned_p (x, TRAP_CONDITION (body));
case UNSPEC:
case UNSPEC_VOLATILE:
case PARALLEL:
for (i = XVECLEN (body, 0) - 1; i >= 0; i--)
if (reg_referenced_p (x, XVECEXP (body, 0, i)))
@ -1171,7 +1173,7 @@ remove_note (insn, note)
}
/* Nonzero if X contains any volatile memory references
or volatile ASM_OPERANDS expressions. */
UNSPEC_VOLATILE operations or volatile ASM_OPERANDS expressions. */
int
volatile_refs_p (x)
@ -1198,6 +1200,7 @@ volatile_refs_p (x)
return 0;
case CALL:
case UNSPEC_VOLATILE:
/* case TRAP_IF: This isn't clear yet. */
return 1;
@ -1269,6 +1272,7 @@ side_effects_p (x)
case POST_INC:
case POST_DEC:
case CALL:
case UNSPEC_VOLATILE:
/* case TRAP_IF: This isn't clear yet. */
return 1;
@ -1331,6 +1335,7 @@ may_trap_p (x)
return 0;
/* Conditional trap can trap! */
case UNSPEC_VOLATILE:
case TRAP_IF:
return 1;