re PR target/82641 (Unable to enable crc32 for a certain function with target attribute on ARM (aarch32))

2018-02-09  Tamar Christina  <tamar.christina@arm.com>

	PR target/82641
	* config/arm/arm-c.c (arm_cpu_builtins): Un-define __ARM_FEATURE_LDREX,
	__ARM_ARCH_PROFILE, __ARM_ARCH_ISA_THUMB, __ARM_FP and __ARM_NEON_FP.

gcc/testsuite
2018-02-09  Tamar Christina  <tamar.christina@arm.com>

	PR target/82641
	* gcc.target/arm/pragma_arch_switch_2.c: Use armv6 and armv5t.

From-SVN: r257524
This commit is contained in:
Tamar Christina 2018-02-09 12:23:46 +00:00 committed by Tamar Christina
parent c704706201
commit 0079ae8877
4 changed files with 25 additions and 14 deletions

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@ -1,3 +1,9 @@
2018-02-09 Tamar Christina <tamar.christina@arm.com>
PR target/82641
* config/arm/arm-c.c (arm_cpu_builtins): Un-define __ARM_FEATURE_LDREX,
__ARM_ARCH_PROFILE, __ARM_ARCH_ISA_THUMB, __ARM_FP and __ARM_NEON_FP.
2018-02-09 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
PR target/PR84295

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@ -87,11 +87,10 @@ arm_cpu_builtins (struct cpp_reader* pfile)
builtin_define ("__ARM_FEATURE_CMSE");
}
cpp_undef (pfile, "__ARM_FEATURE_LDREX");
if (TARGET_ARM_FEATURE_LDREX)
builtin_define_with_int_value ("__ARM_FEATURE_LDREX",
TARGET_ARM_FEATURE_LDREX);
else
cpp_undef (pfile, "__ARM_FEATURE_LDREX");
def_or_undef_macro (pfile, "__ARM_FEATURE_CLZ",
((TARGET_ARM_ARCH >= 5 && !TARGET_THUMB)
@ -105,6 +104,8 @@ arm_cpu_builtins (struct cpp_reader* pfile)
builtin_define_with_int_value ("__ARM_SIZEOF_MINIMAL_ENUM",
flag_short_enums ? 1 : 4);
builtin_define_type_sizeof ("__ARM_SIZEOF_WCHAR_T", wchar_type_node);
cpp_undef (pfile, "__ARM_ARCH_PROFILE");
if (TARGET_ARM_ARCH_PROFILE)
builtin_define_with_int_value ("__ARM_ARCH_PROFILE",
TARGET_ARM_ARCH_PROFILE);
@ -128,6 +129,7 @@ arm_cpu_builtins (struct cpp_reader* pfile)
else
def_or_undef_macro (pfile, "__THUMBEL__", TARGET_THUMB);
cpp_undef (pfile, "__ARM_ARCH_ISA_THUMB");
if (TARGET_ARM_ARCH_ISA_THUMB)
builtin_define_with_int_value ("__ARM_ARCH_ISA_THUMB",
TARGET_ARM_ARCH_ISA_THUMB);
@ -147,10 +149,9 @@ arm_cpu_builtins (struct cpp_reader* pfile)
builtin_define ("__VFP_FP__");
cpp_undef (pfile, "__ARM_FP");
if (TARGET_ARM_FP)
builtin_define_with_int_value ("__ARM_FP", TARGET_ARM_FP);
else
cpp_undef (pfile, "__ARM_FP");
def_or_undef_macro (pfile, "__ARM_FP16_FORMAT_IEEE",
arm_fp16_format == ARM_FP16_FORMAT_IEEE);
@ -169,10 +170,9 @@ arm_cpu_builtins (struct cpp_reader* pfile)
def_or_undef_macro (pfile, "__ARM_NEON__", TARGET_NEON);
def_or_undef_macro (pfile, "__ARM_NEON", TARGET_NEON);
cpp_undef (pfile, "__ARM_NEON_FP");
if (TARGET_NEON_FP)
builtin_define_with_int_value ("__ARM_NEON_FP", TARGET_NEON_FP);
else
cpp_undef (pfile, "__ARM_NEON_FP");
/* Add a define for interworking. Needed when building libgcc.a. */
if (arm_cpp_interwork)

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@ -1,3 +1,8 @@
2018-02-09 Tamar Christina <tamar.christina@arm.com>
PR target/82641
* gcc.target/arm/pragma_arch_switch_2.c: Use armv6 and armv5t.
2018-02-09 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
PR target/PR84295

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@ -2,16 +2,16 @@
/* { dg-skip-if "instruction not valid on thumb" { *-*-* } { "-mthumb" } { "" } } */
/* { dg-do assemble } */
/* { dg-require-effective-target arm_arm_ok } */
/* { dg-additional-options "-Wall -O2 -march=armv4t -std=gnu99 -marm" } */
/* { dg-additional-options "-Wall -O2 -march=armv5t -std=gnu99 -marm" } */
#pragma GCC target ("arch=armv5te")
void cpu_has_iwmmxt (void)
#pragma GCC target ("arch=armv6")
int test_assembly (int hi, int lo)
{
int lo;
int hi;
int res;
__asm__ __volatile__ (
"mcrr p0, 0, %2, %3, c0\n"
: "=r" (lo), "=r" (hi)
: "r" (0), "r" (0x100));
"uxtah %0, %1, %2\n"
: "=r" (res)
: "r" (hi), "r" (lo));
return res;
}