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Testsuite check for sqrt_insn. Move pow/sqrt synth test from gcc.target/aarch64/ to to gcc.dg/

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* lib/target-supports.exp (check_effective_target_sqrt_insn): New check.
	* gcc.dg/pow-sqrt-synth-1.c: New test.
	* gcc.target/aarch64/pow-sqrt-synth-1.c: Delete.

	* doc/sourcebuild.texi (7.2.3.9 Other hardware attributes):
	Document sqrt_insn.

From-SVN: r223485
This commit is contained in:
Kyrylo Tkachov 2015-05-21 13:30:24 +00:00 committed by Kyrylo Tkachov
parent eb7d283dc3
commit 1e43cc9461
5 changed files with 38 additions and 3 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2015-05-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* doc/sourcebuild.texi (7.2.3.9 Other hardware attributes):
Document sqrt_insn.
2015-05-21 Richard Biener <rguenther@suse.de>
PR c++/66211

3
gcc/doc/sourcebuild.texi
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@ -1695,6 +1695,9 @@ Target supports FPU instructions.
@item non_strict_align
Target does not require strict alignment.
@item sqrt_insn
Target has a square root instruction that the compiler can generate.
@item sse
Target supports compiling @code{sse} instructions.

6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2015-05-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* lib/target-supports.exp (check_effective_target_sqrt_insn): New check.
* gcc.dg/pow-sqrt-synth-1.c: New test.
* gcc.target/aarch64/pow-sqrt-synth-1.c: Delete.
2015-05-21 Richard Biener <rguenther@suse.de>
PR c++/66211

6
gcc/testsuite/gcc.target/aarch64/pow-sqrt-synth-1.c → gcc/testsuite/gcc.dg/pow-sqrt-synth-1.c
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@ -1,6 +1,6 @@
/* { dg-do compile } */
/* { dg-do compile { target sqrt_insn } } */
/* { dg-options "-fdump-tree-sincos -Ofast --param max-pow-sqrt-depth=8" } */
/* { dg-additional-options "-mfloat-abi=softfp -mfpu=neon-vfpv4" { target arm*-*-* } } */
double
foo (double a)
@ -35,4 +35,4 @@ vecfoo (double *a)
}
/* { dg-final { scan-tree-dump-times "synthesizing" 7 "sincos" } } */
/* { dg-final { cleanup-tree-dump "sincos" } } */
/* { dg-final { cleanup-tree-dump "sincos" } } */

21
gcc/testsuite/lib/target-supports.exp
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@ -4670,6 +4670,27 @@ proc check_effective_target_vect_call_copysignf { } {
return $et_vect_call_copysignf_saved
}
# Return 1 if the target supports hardware square root instructions.
proc check_effective_target_sqrt_insn { } {
global et_sqrt_insn_saved
if [info exists et_sqrt_insn_saved] {
verbose "check_effective_target_hw_sqrt: using cached result" 2
} else {
set et_sqrt_insn_saved 0
if { [istarget x86_64-*-*]
|| [istarget powerpc*-*-*]
|| [istarget aarch64*-*-*]
|| ([istarget arm*-*-*] && [check_effective_target_arm_vfp_ok]) } {
set et_sqrt_insn_saved 1
}
}
verbose "check_effective_target_hw_sqrt: returning et_sqrt_insn_saved" 2
return $et_sqrt_insn_saved
}
# Return 1 if the target supports vector sqrtf calls.
proc check_effective_target_vect_call_sqrtf { } {