On 4/3/17 11:04 AM, Peter Bergner wrote:
> On 4/2/17 1:53 PM, Segher Boessenkool wrote:
>> I also have a fix for the dfp-builtin-1.c problem.
>
> Something like the following maybe? It seems to work for me.
> I think the hard_dfp predicate was added after the dfp-builtin-[12].c
> test cases were added, which is maybe why Mike used powerpc_vsx_ok?
> Seems like we should switch it to using hard_dfp now.
As we discussed offline, I'll commit the following patch to fix up
the dfp-builtin-1.c failures. I'll also commit this to the GCC 5 & 6
release branches, since the same issue exists there.
Peter
Index: dfp-builtin-1.c
===================================================================
--- dfp-builtin-1.c (revision 246653)
+++ dfp-builtin-1.c (working copy)
@@ -1,5 +1,5 @@
/* { dg-do compile { target { powerpc*-*-linux* } } } */
-/* { dg-require-effective-target powerpc_vsx_ok } */
+/* { dg-require-effective-target hard_dfp } */
/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } {
"-mcpu=power7" } } */
/* { dg-options "-mcpu=power7 -O2" } */
/* { dg-final { scan-assembler-times "ddedpd " 4 } } */
@@ -8,8 +8,12 @@
/* { dg-final { scan-assembler-times "diex " 1 } } */
/* { dg-final { scan-assembler-times "dscli " 2 } } */
/* { dg-final { scan-assembler-times "dscri " 2 } } */
-/* { dg-final { scan-assembler-times "std " 1 } } */
-/* { dg-final { scan-assembler-times "ld " 1 } } */
+/* { dg-final { scan-assembler-times "std " 1 { target lp64 } } } */
+/* { dg-final { scan-assembler-times "ld " 1 { target lp64 } } } */
+/* 32-bit needs a stack frame, and needs two GPR mem insns per _Decimal64. */
+/* { dg-final { scan-assembler-times "stwu " 2 { target ilp32 } } } */
+/* { dg-final { scan-assembler-times "stw " 2 { target ilp32 } } } */
+/* { dg-final { scan-assembler-times "lwz " 2 { target ilp32 } } } */
/* { dg-final { scan-assembler-times "stfd " 1 } } */
/* { dg-final { scan-assembler-times "lfd " 1 } } */
/* { dg-final { scan-assembler-not "bl __builtin" } } */
Index: dfp-builtin-2.c
===================================================================
--- dfp-builtin-2.c (revision 246653)
+++ dfp-builtin-2.c (working copy)
@@ -1,7 +1,5 @@
/* { dg-do compile { target { powerpc*-*-linux* } } } */
-/* { dg-skip-if "" { powerpc*-*-darwin* } { "*" } { "" } } */
-/* { dg-skip-if "" { powerpc*-*-*spe* } { "*" } { "" } } */
-/* { dg-require-effective-target powerpc_vsx_ok } */
+/* { dg-require-effective-target hard_dfp } */
/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } {
"-mcpu=power7" } } */
/* { dg-options "-mcpu=power7 -O2" } */
/* { dg-final { scan-assembler-times "ddedpdq " 4 } } */