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re PR target/85511 ([X86] Using __builtin_ia32_writeeflags_u32 in 64-bit mode causes internal compiler error) 

PR target/85511
	* config/i386/i386.c (ix86_init_mmx_sse_builtins): Don't define
	__builtin_ia32_readeflags_u32 and __builtin_ia32_writeeflags_u32
	if TARGET_64BIT.

	* gcc.target/i386/pr85511.c: New test.

From-SVN: r259609
This commit is contained in:
Jakub Jelinek 2018-04-24 18:42:59 +02:00 committed by Jakub Jelinek
parent 8624f8685d
commit e8ac3359dc
4 changed files with 37 additions and 8 deletions
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5
gcc/ChangeLog
View File

@ -1,5 +1,10 @@
2018-04-24 Jakub Jelinek <jakub@redhat.com>
PR target/85511
* config/i386/i386.c (ix86_init_mmx_sse_builtins): Don't define
__builtin_ia32_readeflags_u32 and __builtin_ia32_writeeflags_u32
if TARGET_64BIT.
PR target/85503
* config/rs6000/rs6000-p8swap.c (const_load_sequence_p): Punt if
const_vector is not CONST_VECTOR or SYMBOL_REF for a constant pool

22
gcc/config/i386/i386.c
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@ -31934,14 +31934,20 @@ ix86_init_mmx_sse_builtins (void)
IX86_BUILTIN_SBB64);
/* Read/write FLAGS. */
def_builtin (0, "__builtin_ia32_readeflags_u32",
UNSIGNED_FTYPE_VOID, IX86_BUILTIN_READ_FLAGS);
def_builtin (OPTION_MASK_ISA_64BIT, "__builtin_ia32_readeflags_u64",
UINT64_FTYPE_VOID, IX86_BUILTIN_READ_FLAGS);
def_builtin (0, "__builtin_ia32_writeeflags_u32",
VOID_FTYPE_UNSIGNED, IX86_BUILTIN_WRITE_FLAGS);
def_builtin (OPTION_MASK_ISA_64BIT, "__builtin_ia32_writeeflags_u64",
VOID_FTYPE_UINT64, IX86_BUILTIN_WRITE_FLAGS);
if (TARGET_64BIT)
{
def_builtin (OPTION_MASK_ISA_64BIT, "__builtin_ia32_readeflags_u64",
UINT64_FTYPE_VOID, IX86_BUILTIN_READ_FLAGS);
def_builtin (OPTION_MASK_ISA_64BIT, "__builtin_ia32_writeeflags_u64",
VOID_FTYPE_UINT64, IX86_BUILTIN_WRITE_FLAGS);
}
else
{
def_builtin (0, "__builtin_ia32_readeflags_u32",
UNSIGNED_FTYPE_VOID, IX86_BUILTIN_READ_FLAGS);
def_builtin (0, "__builtin_ia32_writeeflags_u32",
VOID_FTYPE_UNSIGNED, IX86_BUILTIN_WRITE_FLAGS);
}
/* CLFLUSHOPT. */
def_builtin (OPTION_MASK_ISA_CLFLUSHOPT, "__builtin_ia32_clflushopt",

3
gcc/testsuite/ChangeLog
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@ -1,5 +1,8 @@
2018-04-24 Jakub Jelinek <jakub@redhat.com>
PR target/85511
* gcc.target/i386/pr85511.c: New test.
PR target/85503
* g++.dg/ext/pr85503.C: New test.

15
gcc/testsuite/gcc.target/i386/pr85511.c Normal file
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@ -0,0 +1,15 @@
/* PR target/85511 */
/* { dg-do compile } */
/* { dg-options "-Wimplicit-function-declaration" } */
unsigned int
foo (void)
{
return __builtin_ia32_readeflags_u32 (); /* { dg-warning "implicit declaration of function" "" { target { ! ia32 } } } */
}
void
bar (unsigned int x)
{
__builtin_ia32_writeeflags_u32 (x); /* { dg-warning "implicit declaration of function" "" { target { ! ia32 } } } */
}