The following patch fixes
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65407
The patch was bootstrapped and tested on x86/x86-64, ppc64, aarch64.
Committed as rev. 221734.
2015-03-27 Vladimir Makarov <vmaka...@redhat.com>
PR target/65407
* ira-costs.c (record_reg_classes): Process all constraint string
containing 0-9.
2015-03-27 Vladimir Makarov <vmaka...@redhat.com>
PR target/65407
* gcc.target/i386/avx512f-kandnw-1.c: Add scanning kmovw.
Index: ira-costs.c
===================================================================
--- ira-costs.c (revision 221669)
+++ ira-costs.c (working copy)
@@ -589,7 +589,7 @@ record_reg_classes (int n_alts, int n_op
while (*p == '%' || *p == '=' || *p == '+' || *p == '&')
p++;
- if (p[0] >= '0' && p[0] <= '0' + i && (p[1] == ',' || p[1] == 0))
+ if (p[0] >= '0' && p[0] <= '0' + i)
{
/* Copy class and whether memory is allowed from the
matching alternative. Then perform any needed cost
@@ -754,14 +754,7 @@ record_reg_classes (int n_alts, int n_op
&& ! find_reg_note (insn, REG_DEAD, op))
alt_cost += 2;
- /* This is in place of ordinary cost computation for
- this operand, so skip to the end of the
- alternative (should be just one character). */
- while (*p && *p++ != ',')
- ;
-
- constraints[i] = p;
- continue;
+ p++;
}
}
Index: testsuite/gcc.target/i386/avx512f-kandnw-1.c
===================================================================
--- testsuite/gcc.target/i386/avx512f-kandnw-1.c (revision 221669)
+++ testsuite/gcc.target/i386/avx512f-kandnw-1.c (working copy)
@@ -1,6 +1,7 @@
/* { dg-do compile } */
/* { dg-options "-mavx512f -O2" } */
/* { dg-final { scan-assembler-times "kandnw\[
\\t\]+\[^\{\n\]*%k\[0-7\](?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "kmovw" 2 } } */
#include <immintrin.h>
