PR 21291

        * tree-outof-ssa.c (coalesce_asm_operands): New.
        (coalesce_ssa_name): Use it.  Split out ...
        (coalesce_phi_operands, coalesce_result_decls): ... these.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@102751 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 31 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.target/i386/pr21291.c b/gcc/testsuite/gcc.target/i386/pr21291.c
new file mode 100644
index 00000000000..acfc43df67f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr21291.c
@@ -0,0 +1,31 @@
+/* { dg-do compile } */
+/* { dg-options "-O" } */
+
+typedef unsigned long bngdigit;
+typedef bngdigit *bng;
+typedef unsigned int bngcarry;
+typedef unsigned long bngsize;
+
+bngdigit
+bng_ia32_mult_sub_digit (bng a, bngsize alen, bng b, bngsize blen, bngdigit d)
+{
+  bngdigit out, tmp;
+  bngcarry carry;
+  bngdigit a11;
+
+  alen -= blen;
+  out = 0;
+  asm (""
+       : "+r" (a), "+r" (b), "+mr" (blen), "+mr" (out), "=&r" (tmp)
+       : "mr" (d)
+       : "eax", "edx");
+  if (alen == 0)
+    {
+      a11 = out;
+      goto t;
+    }
+
+  a11 = 1;
+ t:
+  return a11;
+}