[Patch ARM] Fixup testsuite noise with various multilibs in arm.exp

[Ramana Radhakrishnan <ramana.radhakrishnan@foss.arm.com>]

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Pretty much self explanatory. This fixes up a significant amount of 
noise in a testsuite run with an -mfloat-abi=soft, -mfpu=fp-armv8 
variant in the multilib flags provided for the testsuite run.

Tested arm-none-eabi cross with a set of multilibs and applied to trunk.

regards
ramana

2015-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* gcc.target/arm/fixed_float_conversion.c: Skip for inappropriate
           multilibs.
	* gcc.target/arm/memset-inline-10.c: Likewise.
	* gcc.target/arm/pr58784.c: Likewise.
	* gcc.target/arm/pr59985.C: Likewise.
	* gcc.target/arm/vfp-1.c: Likewise and test only for the non fma cases.



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commit 6187bfc6ca02ec16f8443188f740958079d8e6ea
Author: Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
Date:   Wed Jun 24 14:33:51 2015 +0100

    more noise.

diff --git a/gcc/testsuite/gcc.target/arm/fixed_float_conversion.c b/gcc/testsuite/gcc.target/arm/fixed_float_conversion.c
index 078b103..05ccd14 100644
--- a/gcc/testsuite/gcc.target/arm/fixed_float_conversion.c
+++ b/gcc/testsuite/gcc.target/arm/fixed_float_conversion.c
@@ -3,6 +3,7 @@
 /* { dg-require-effective-target arm_vfp3_ok } */
 /* { dg-options "-O1" } */
 /* { dg-add-options arm_vfp3 } */
+/* { dg-skip-if "need fp instructions" { *-*-* } { "-mfloat-abi=soft" } { "" } } */
 
 float
 fixed_to_float (int i)
diff --git a/gcc/testsuite/gcc.target/arm/memset-inline-10.c b/gcc/testsuite/gcc.target/arm/memset-inline-10.c
index d3b777c..c1087c8 100644
--- a/gcc/testsuite/gcc.target/arm/memset-inline-10.c
+++ b/gcc/testsuite/gcc.target/arm/memset-inline-10.c
@@ -1,5 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-march=armv7-a -mfloat-abi=hard -mfpu=neon -O2" } */
+/* { dg-skip-if "need SIMD instructions" { *-*-* } { "-mfloat-abi=soft" } { "" } } */
+/* { dg-skip-if "need SIMD instructions" { *-*-* } { "-mfpu=vfp*" } { "" } } */
 
 #define BUF 100
 long a[BUF];
diff --git a/gcc/testsuite/gcc.target/arm/pr58784.c b/gcc/testsuite/gcc.target/arm/pr58784.c
index 4ee3ef5..29a0f73 100644
--- a/gcc/testsuite/gcc.target/arm/pr58784.c
+++ b/gcc/testsuite/gcc.target/arm/pr58784.c
@@ -1,6 +1,8 @@
 /* { dg-do compile } */
 /* { dg-skip-if "incompatible options" { arm_thumb1 } { "*" } { "" } } */
 /* { dg-options "-march=armv7-a -mfloat-abi=hard -mfpu=neon -marm -O2" } */
+/* { dg-skip-if "need hardfp ABI" { *-*-* } { "-mfloat-abi=soft" } { "" } } */
+
 
 typedef struct __attribute__ ((__packed__))
 {
diff --git a/gcc/testsuite/gcc.target/arm/pr59985.C b/gcc/testsuite/gcc.target/arm/pr59985.C
index 1351c48..97d5915 100644
--- a/gcc/testsuite/gcc.target/arm/pr59985.C
+++ b/gcc/testsuite/gcc.target/arm/pr59985.C
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-skip-if "incompatible options" { arm_thumb1 } { "*" } { "" } } */
 /* { dg-options "-g -fcompare-debug -O2 -march=armv7-a -mtune=cortex-a9 -mfpu=vfpv3-d16 -mfloat-abi=hard" } */
+/* { dg-skip-if "need hardfp abi" { *-*-* } { "-mfloat-abi=soft" } { "" } } */
 
 extern void *f1 (unsigned long, unsigned long);
 extern const struct line_map *f2 (void *, int, unsigned int, const char *, unsigned int);
diff --git a/gcc/testsuite/gcc.target/arm/vfp-1.c b/gcc/testsuite/gcc.target/arm/vfp-1.c
index b6bb7be..9aa5302 100644
--- a/gcc/testsuite/gcc.target/arm/vfp-1.c
+++ b/gcc/testsuite/gcc.target/arm/vfp-1.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -mfpu=vfp -mfloat-abi=softfp" } */
+/* { dg-options "-O2 -mfpu=vfp -mfloat-abi=softfp -ffp-contract=off" } */
 /* { dg-require-effective-target arm_vfp_ok } */
+/* { dg-skip-if "need fp instructions" { *-*-* } { "-mfloat-abi=soft" } { "" } } */
 
 extern float fabsf (float);
 extern float sqrtf (float);