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re PR target/87496 (ICE in aggregate_value_p at gcc/function.c:2046)

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gcc/
	PR target/87496
	* config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
	-mabi=ieeelongdouble and -mabi=ibmlongdouble without -mlong-double-128.
	Do not error for -mabi=ibmlongdouble and no ISA 2.06 support.
	* doc/invoke.texi: Document -mabi=ibmlongdouble and -mabi=ieeelongdouble
	require -mlong-double-128.

gcc/testsuite/
	PR target/87496
	* gcc.target/powerpc/pr87496.c: Rename from this...
	* gcc.target/powerpc/pr87496-1.c: ...to this.  Update comment.
	* gcc.target/powerpc/pr87496-2.c: New test.
	* gcc.target/powerpc/pr87496-3.c: New test.

From-SVN: r266899
This commit is contained in:
Peter Bergner 2018-12-07 17:33:55 +00:00 committed by Peter Bergner
parent 886f092f59
commit 96e14fda0d
7 changed files with 52 additions and 6 deletions

9
gcc/ChangeLog

@ -1,3 +1,12 @@
2018-12-07 Peter Bergner <bergner@linux.ibm.com>
PR target/87496
* config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
-mabi=ieeelongdouble and -mabi=ibmlongdouble without -mlong-double-128.
Do not error for -mabi=ibmlongdouble and no ISA 2.06 support.
* doc/invoke.texi: Document -mabi=ibmlongdouble and -mabi=ieeelongdouble
require -mlong-double-128.
2018-12-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/aarch64/aarch64.c (aarch64_tuning_override_functions): Add

10
gcc/config/rs6000/rs6000.c

@ -4282,6 +4282,13 @@ rs6000_option_override_internal (bool global_init_p)
}
else if (rs6000_long_double_type_size == 128)
rs6000_long_double_type_size = FLOAT_PRECISION_TFmode;
else if (global_options_set.x_rs6000_ieeequad)
{
if (global_options.x_rs6000_ieeequad)
error ("%qs requires %qs", "-mabi=ieeelongdouble", "-mlong-double-128");
else
error ("%qs requires %qs", "-mabi=ibmlongdouble", "-mlong-double-128");
}
/* Set -mabi=ieeelongdouble on some old targets. In the future, power server
systems will also set long double to be IEEE 128-bit. AIX and Darwin
@ -4293,7 +4300,8 @@ rs6000_option_override_internal (bool global_init_p)
else
{
if (!TARGET_POPCNTD || !TARGET_VSX)
if (global_options.x_rs6000_ieeequad
&& (!TARGET_POPCNTD || !TARGET_VSX))
error ("%qs requires full ISA 2.06 support", "-mabi=ieeelongdouble");
if (rs6000_ieeequad != TARGET_IEEEQUAD_DEFAULT && TARGET_LONG_DOUBLE_128)

12
gcc/doc/invoke.texi

@ -23932,7 +23932,8 @@ Change the current ABI to use IBM extended-precision long double.
This is not likely to work if your system defaults to using IEEE
extended-precision long double. If you change the long double type
from IEEE extended-precision, the compiler will issue a warning unless
you use the @option{-Wno-psabi} option.
you use the @option{-Wno-psabi} option. Requires @option{-mlong-double-128}
to be enabled.
@item -mabi=ieeelongdouble
@opindex mabi=ieeelongdouble
@ -23940,7 +23941,8 @@ Change the current ABI to use IEEE extended-precision long double.
This is not likely to work if your system defaults to using IBM
extended-precision long double. If you change the long double type
from IBM extended-precision, the compiler will issue a warning unless
you use the @option{-Wno-psabi} option.
you use the @option{-Wno-psabi} option. Requires @option{-mlong-double-128}
to be enabled.
@item -mabi=elfv1
@opindex mabi=elfv1
@ -25201,7 +25203,8 @@ Change the current ABI to use IBM extended-precision long double.
This is not likely to work if your system defaults to using IEEE
extended-precision long double. If you change the long double type
from IEEE extended-precision, the compiler will issue a warning unless
you use the @option{-Wno-psabi} option.
you use the @option{-Wno-psabi} option. Requires @option{-mlong-double-128}
to be enabled.
@item -mabi=ieeelongdouble
@opindex mabi=ieeelongdouble
@ -25209,7 +25212,8 @@ Change the current ABI to use IEEE extended-precision long double.
This is not likely to work if your system defaults to using IBM
extended-precision long double. If you change the long double type
from IBM extended-precision, the compiler will issue a warning unless
you use the @option{-Wno-psabi} option.
you use the @option{-Wno-psabi} option. Requires @option{-mlong-double-128}
to be enabled.
@item -mabi=elfv1
@opindex mabi=elfv1

8
gcc/testsuite/ChangeLog

@ -1,3 +1,11 @@
2018-12-07 Peter Bergner <bergner@linux.ibm.com>
PR target/87496
* gcc.target/powerpc/pr87496.c: Rename from this...
* gcc.target/powerpc/pr87496-1.c: ...to this. Update comment.
* gcc.target/powerpc/pr87496-2.c: New test.
* gcc.target/powerpc/pr87496-3.c: New test.
2018-12-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* gcc.target/aarch64/sve/override_sve_width_1.c: New test.

2
gcc/testsuite/gcc.target/powerpc/pr87496.c → gcc/testsuite/gcc.target/powerpc/pr87496-1.c

@ -1,4 +1,4 @@
/* PR target/87496.c */
/* PR target/87496 */
/* { dg-do compile { target { powerpc*-*-* && lp64 } } } */
/* { dg-skip-if "" { powerpc*-*-darwin* } } */
/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power7" } } */

9
gcc/testsuite/gcc.target/powerpc/pr87496-2.c Normal file

@ -0,0 +1,9 @@
/* PR target/87496 */
/* { dg-do compile { target { powerpc*-*-* } } } */
/* { dg-skip-if "" { powerpc*-*-darwin* } } */
/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power7" } } */
/* { dg-options "-O2 -mcpu=power7 -mabi=ieeelongdouble -mlong-double-64 -Wno-psabi" } */
int i;
/* { dg-error "'-mabi=ieeelongdouble' requires '-mlong-double-128'" "PR87496" { target *-*-* } 0 } */

8
gcc/testsuite/gcc.target/powerpc/pr87496-3.c Normal file

@ -0,0 +1,8 @@
/* PR target/87496 */
/* { dg-do compile { target { powerpc*-*-* } } } */
/* { dg-skip-if "" { powerpc*-*-darwin* } } */
/* { dg-options "-O2 -mabi=ibmlongdouble -mlong-double-64 -Wno-psabi" } */
int i;
/* { dg-error "'-mabi=ibmlongdouble' requires '-mlong-double-128'" "PR87496" { target *-*-* } 0 } */