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Add LRA target selector.

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gcc/ChangeLog:

	* doc/sourcebuild.texi: Document LRA target selector.

gcc/testsuite/ChangeLog:

	PR testsuite/99292
	* lib/target-supports.exp (check_effective_target_lra): New.
	* gcc.c-torture/compile/asmgoto-2.c: Use LRA target selector.
	* gcc.c-torture/compile/asmgoto-5.c: Likewise.
	* gcc.c-torture/compile/pr98096.c: Likewise.
	* gcc.dg/pr97954.c: Likewise.
This commit is contained in:
John David Anglin 2021-03-10 14:57:01 +00:00
parent 46b52b4ae1
commit cb33c7276a
6 changed files with 17 additions and 6 deletions
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3
gcc/doc/sourcebuild.texi
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@ -2525,6 +2525,9 @@ Target keeps null pointer checks, either due to the use of
@item llvm_binutils
Target is using an LLVM assembler and/or linker, instead of GNU Binutils.
@item lra
Target supports local register allocator (LRA).
@item lto
Compiler has been configured to support link-time optimization (LTO).

3
gcc/testsuite/gcc.c-torture/compile/asmgoto-2.c
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@ -1,6 +1,5 @@
/* This test should be switched off for a new target with less than 4 allocatable registers */
/* { dg-do compile } */
/* { dg-skip-if "Reload target" { hppa*-*-* } } */
/* { dg-do compile { target lra } } */
int
foo (void)
{

3
gcc/testsuite/gcc.c-torture/compile/asmgoto-5.c
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@ -1,7 +1,6 @@
/* Test to generate output reload in asm goto on x86_64. */
/* { dg-do compile } */
/* { dg-do compile { target lra } } */
/* { dg-skip-if "no O0" { { i?86-*-* x86_64-*-* } && { ! ia32 } } { "-O0" } { "" } } */
/* { dg-skip-if "Reload target" { hppa*-*-* } } */
#if defined __x86_64__
#define ASM(s) asm (s)

2
gcc/testsuite/gcc.c-torture/compile/pr98096.c
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@ -1,6 +1,6 @@
/* Test for correct naming of label operands in asm goto in case of presence of
input/output operands. */
/* { dg-do compile } */
/* { dg-do compile { target lra } } */
int i, j;
int f(void) {
asm goto ("# %0 %2" : "+r" (i) ::: jmp);

2
gcc/testsuite/gcc.dg/pr97954.c
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@ -1,5 +1,5 @@
/* PR rtl-optimization/97954 */
/* { dg-do compile } */
/* { dg-do compile { target lra } } */
/* { dg-options "-O2" } */
int

10
gcc/testsuite/lib/target-supports.exp
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@ -11005,3 +11005,13 @@ proc check_effective_target_o_flag_in_section { } {
}
}]
}
# return 1 if LRA is supported.
proc check_effective_target_lra { } {
if { [istarget hppa*-*-*] } {
return 0
}
return 1
}