backport: sourcebuild.texi (ARM-specific attributes): Document new arm_neon_ok_no_float_abi effective target.
Backport from trunk r249639. 2017-09-27 Christophe Lyon <christophe.lyon@linaro.org> gcc/ Backport from trunk r249639. 2017-06-26 Christophe Lyon <christophe.lyon@linaro.org> * doc/sourcebuild.texi (ARM-specific attributes): Document new arm_neon_ok_no_float_abi effective target. gcc/testsuite/ Backport from trunk r249639. 2017-06-26 Christophe Lyon <christophe.lyon@linaro.org> * lib/target-supports.exp (check_effective_target_arm_neon_ok_nocache): Add flags with -mfloat-abi=hard. Include arm_neon.h. (check_effective_target_arm_neon_ok_no_float_abi_nocache): New. (check_effective_target_arm_neon_ok_no_float_abi): New. * gcc.target/arm/lto/pr65837_0.c: Require arm_neon_ok_no_float_abi. Add -mfpu=neon to dg-lto-options. * gcc.target/arm/lto/pr65837-attr_0.c: Require arm_neon_ok_no_float_abi. Remove dg-suppress-ld-options. From-SVN: r253234
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@ -1,3 +1,11 @@
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2017-09-27 Christophe Lyon <christophe.lyon@linaro.org>
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Backport from trunk r249639.
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2017-06-26 Christophe Lyon <christophe.lyon@linaro.org>
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* doc/sourcebuild.texi (ARM-specific attributes): Document new
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arm_neon_ok_no_float_abi effective target.
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2017-09-26 Richard Biener <rguenther@suse.de>
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Backport from mainline
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@ -1570,6 +1570,12 @@ Test system supports executing NEON v2 instructions.
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ARM Target supports @code{-mfpu=neon -mfloat-abi=softfp} or compatible
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options. Some multilibs may be incompatible with these options.
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@item arm_neon_ok_no_float_abi
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@anchor{arm_neon_ok_no_float_abi}
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ARM Target supports NEON with @code{-mfpu=neon}, but without any
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-mfloat-abi= option. Some multilibs may be incompatible with this
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option.
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@item arm_neonv2_ok
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@anchor{arm_neonv2_ok}
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ARM Target supports @code{-mfpu=neon-vfpv4 -mfloat-abi=softfp} or compatible
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@ -1,3 +1,18 @@
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2017-09-27 Christophe Lyon <christophe.lyon@linaro.org>
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Backport from trunk r249639.
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2017-06-26 Christophe Lyon <christophe.lyon@linaro.org>
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* lib/target-supports.exp
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(check_effective_target_arm_neon_ok_nocache): Add flags with
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-mfloat-abi=hard. Include arm_neon.h.
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(check_effective_target_arm_neon_ok_no_float_abi_nocache): New.
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(check_effective_target_arm_neon_ok_no_float_abi): New.
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* gcc.target/arm/lto/pr65837_0.c: Require
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arm_neon_ok_no_float_abi. Add -mfpu=neon to dg-lto-options.
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* gcc.target/arm/lto/pr65837-attr_0.c: Require
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arm_neon_ok_no_float_abi. Remove dg-suppress-ld-options.
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2017-09-26 Richard Biener <rguenther@suse.de>
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Backport from mainline
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@ -1,6 +1,7 @@
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/* { dg-lto-do run } */
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/* { dg-require-effective-target arm_neon_hw } */
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/* { dg-lto-options {{-flto}} } */
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/* { dg-require-effective-target arm_neon_ok_no_float_abi } */
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/* { dg-lto-options {{-flto -mfpu=neon}} } */
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#include "arm_neon.h"
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@ -1,7 +1,7 @@
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/* { dg-lto-do run } */
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/* { dg-require-effective-target arm_neon_hw } */
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/* { dg-require-effective-target arm_neon_ok_no_float_abi } */
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/* { dg-lto-options {{-flto -mfpu=neon}} } */
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/* { dg-suppress-ld-options {-mfpu=neon} } */
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#include "arm_neon.h"
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@ -3428,8 +3428,9 @@ proc check_effective_target_arm_neon_ok_nocache { } {
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global et_arm_neon_flags
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set et_arm_neon_flags ""
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if { [check_effective_target_arm32] } {
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foreach flags {"" "-mfloat-abi=softfp" "-mfpu=neon" "-mfpu=neon -mfloat-abi=softfp" "-mfpu=neon -mfloat-abi=softfp -march=armv7-a"} {
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foreach flags {"" "-mfloat-abi=softfp" "-mfpu=neon" "-mfpu=neon -mfloat-abi=softfp" "-mfpu=neon -mfloat-abi=softfp -march=armv7-a" "-mfloat-abi=hard" "-mfpu=neon -mfloat-abi=hard" "-mfpu=neon -mfloat-abi=hard -march=armv7-a"} {
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if { [check_no_compiler_messages_nocache arm_neon_ok object {
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#include <arm_neon.h>
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int dummy;
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#ifndef __ARM_NEON__
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#error not NEON
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@ -3454,6 +3455,38 @@ proc check_effective_target_arm_neon_ok { } {
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check_effective_target_arm_neon_ok_nocache]
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}
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# Return 1 if this is an ARM target supporting -mfpu=neon without any
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# -mfloat-abi= option. Useful in tests where add_options is not
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# supported (such as lto tests).
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proc check_effective_target_arm_neon_ok_no_float_abi_nocache { } {
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if { [check_effective_target_arm32] } {
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foreach flags {"-mfpu=neon"} {
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if { [check_no_compiler_messages_nocache arm_neon_ok_no_float_abi object {
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#include <arm_neon.h>
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int dummy;
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#ifndef __ARM_NEON__
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#error not NEON
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#endif
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/* Avoid the case where a test adds -mfpu=neon, but the toolchain is
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configured for -mcpu=arm926ej-s, for example. */
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#if __ARM_ARCH < 7 || __ARM_ARCH_PROFILE == 'M'
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#error Architecture does not support NEON.
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#endif
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} "$flags"] } {
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return 1
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}
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}
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}
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return 0
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}
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proc check_effective_target_arm_neon_ok_no_float_abi { } {
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return [check_cached_effective_target arm_neon_ok_no_float_abi \
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check_effective_target_arm_neon_ok_no_float_abi_nocache]
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}
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proc check_effective_target_arm_crc_ok_nocache { } {
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global et_arm_crc_flags
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set et_arm_crc_flags "-march=armv8-a+crc"
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