From d50ad6afbdb3bb9da874c4acfefd2c2f9498b932 Mon Sep 17 00:00:00 2001
From: Richard Henderson <rth@redhat.com>
Date: Wed, 11 Jun 2003 18:04:32 -0700
Subject: [PATCH] stmt.c (expand_asm_operands): Don't warn for memories with
queued addresses.
* stmt.c (expand_asm_operands): Don't warn for memories with
queued addresses.
From-SVN: r67808
---
gcc/ChangeLog | 5 +++++
gcc/stmt.c | 7 ++++---
gcc/testsuite/gcc.dg/asm-7.c | 2 ++
3 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2f83413c1aa3..ecbb5be3a9b0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-06-11 Richard Henderson <rth@redhat.com>
+
+ * stmt.c (expand_asm_operands): Don't warn for memories with
+ queued addresses.
+
2003-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Rewrite without
diff --git a/gcc/stmt.c b/gcc/stmt.c
index a69beb069695..4561d722230b 100644
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -1765,10 +1765,11 @@ expand_asm_operands (string, outputs, inputs, clobbers, vol, filename, line)
else if (!allows_mem)
warning ("asm operand %d probably doesn't match constraints",
i + noutputs);
- else if (GET_CODE (op) == MEM && MEM_VOLATILE_P (op))
+ else if (GET_CODE (op) == MEM)
{
- /* We won't recognize volatile memory as available a
- memory_operand at this point. Ignore it. */
+ /* We won't recognize either volatile memory or memory
+ with a queued address as available a memory_operand
+ at this point. Ignore it: clearly this *is* a memory. */
}
else
{
diff --git a/gcc/testsuite/gcc.dg/asm-7.c b/gcc/testsuite/gcc.dg/asm-7.c
index 007732d57181..42f40e719f90 100644
--- a/gcc/testsuite/gcc.dg/asm-7.c
+++ b/gcc/testsuite/gcc.dg/asm-7.c
@@ -7,12 +7,14 @@ void test(void)
register int r2;
int i;
static int m;
+ int *p;
__asm__ ("" : : "m"(r)); /* { dg-warning "address of register" } */
__asm__ ("" : : "m"(i));
__asm__ ("" : : "m"(m));
__asm__ ("" : : "m"(0)); /* { dg-warning "input without lvalue" } */
__asm__ ("" : : "m"(i+1)); /* { dg-warning "input without lvalue" } */
+ __asm__ ("" : : "m"(*p++));
__asm__ ("" : : "g"(r));
__asm__ ("" : : "g"(i));
--
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