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| author | Ben Elliston <bje@au.ibm.com> | 2009-04-09 21:26:44 +0000 |
|---|---|---|
| committer | Ben Elliston <bje@gcc.gnu.org> | 2009-04-10 07:26:44 +1000 |
| commit | e1ff19bf801a69ab7ae22ccb2ebd5842d6432a1c (patch) | |
| tree | 87b59095f02d4ac52ce5908376d92070707859f8 | |
| parent | 52daca759f7b5871df15ae7f92e7cf3f502d94b8 (diff) | |
| download | gcc-e1ff19bf801a69ab7ae22ccb2ebd5842d6432a1c.zip gcc-e1ff19bf801a69ab7ae22ccb2ebd5842d6432a1c.tar.gz gcc-e1ff19bf801a69ab7ae22ccb2ebd5842d6432a1c.tar.bz2 | |
re PR target/36800 (va_arg for _Decimal128 on 32-bit Power mishandled in certain cases)
PR target/36800
PR target/36800
* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
regalign for the reg == fpr and TDmode case.
testsuite/
* gcc.dg/dfp/pr36800.c: New.
Co-Authored-By: Joseph Myers <joseph@codesourcery.com>
From-SVN: r145859
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 1 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/dfp/pr36800.c | 32 |
4 files changed, 44 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5e51f85..3efe49a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2009-04-10 Ben Elliston <bje@au.ibm.com> + + PR target/36800 + * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set + regalign for the reg == fpr and TDmode case. + 2009-04-09 David Ayers <ayers@fsfe.org> PR objc/29200 diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 07fa33e..2352989 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -7092,7 +7092,6 @@ rs6000_gimplify_va_arg (tree valist, tree type, gimple_seq *pre_p, reg number is 0 for f1, so we want to make it odd. */ else if (reg == fpr && TYPE_MODE (type) == TDmode) { - regalign = 1; t = build2 (BIT_IOR_EXPR, TREE_TYPE (reg), unshare_expr (reg), build_int_cst (TREE_TYPE (reg), 1)); u = build2 (MODIFY_EXPR, void_type_node, unshare_expr (reg), t); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 01a21a4..c346b61 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2009-04-10 Ben Elliston <bje@au.ibm.com> + Joseph Myers <joseph@codesourcery.com> + + PR target/36800 + * gcc.dg/dfp/pr36800.c: New. + 2009-04-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> Rafael Avila de Espindola <espindola@google.com> diff --git a/gcc/testsuite/gcc.dg/dfp/pr36800.c b/gcc/testsuite/gcc.dg/dfp/pr36800.c new file mode 100644 index 0000000..5b899cf --- /dev/null +++ b/gcc/testsuite/gcc.dg/dfp/pr36800.c @@ -0,0 +1,32 @@ +/* { dg-do run } */ +/* { dg-options "-std=gnu99" } */ + +#include <stdarg.h> +extern void abort (void); + +void +f (int a, ...) +{ + va_list ap; + if (a != 0) + abort (); + va_start (ap, a); + if (va_arg (ap, _Decimal128) != 1.2DL) + abort (); + if (va_arg (ap, _Decimal128) != 2.34DL) + abort (); + if (va_arg (ap, _Decimal128) != 3.456DL) + abort (); + if (va_arg (ap, _Decimal128) != 4.567DL) + abort (); + if (va_arg (ap, double) != 5.125) + abort (); + va_end (ap); +} + +int +main (void) +{ + f (0, 1.2DL, 2.34DL, 3.456DL, 4.567DL, 5.125); + return 0; +} |