From 7649275376cde27f3076060ad7246b2597c44eef Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Thu, 13 Apr 2006 20:26:59 +0000 Subject: re PR target/27006 (Invalid altivec constant loading code) 2006-04-13 Paolo Bonzini Ulrich Weigand PR target/27006 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n to be even. PR target/27006 * gcc.dg/vmx/pr27006.c: New testcase. Co-Authored-By: Ulrich Weigand From-SVN: r112923 --- gcc/ChangeLog | 7 +++++++ gcc/config/rs6000/rs6000.h | 3 ++- gcc/testsuite/ChangeLog | 6 ++++++ gcc/testsuite/gcc.dg/vmx/pr27006.c | 23 +++++++++++++++++++++++ 4 files changed, 38 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.dg/vmx/pr27006.c (limited to 'gcc') diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bae6229..d37196d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2006-04-13 Paolo Bonzini + Ulrich Weigand + + PR target/27006 + * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n + to be even. + 2006-04-13 Alan Modra PR target/26459 diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h index 75ff4a6..96dd2d2 100644 --- a/gcc/config/rs6000/rs6000.h +++ b/gcc/config/rs6000/rs6000.h @@ -1598,7 +1598,8 @@ typedef struct rs6000_args #define EASY_VECTOR_15(n) ((n) >= -16 && (n) <= 15) #define EASY_VECTOR_15_ADD_SELF(n) (!EASY_VECTOR_15((n)) \ - && EASY_VECTOR_15((n) >> 1)) + && EASY_VECTOR_15((n) >> 1) \ + && ((n) & 1) == 0) /* The macros REG_OK_FOR..._P assume that the arg is a REG rtx and check its validity for a certain class. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 758f363..2d61f83 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2006-04-13 Paolo Bonzini + Ulrich Weigand + + PR target/27006 + * gcc.dg/vmx/pr27006.c: New testcase. + 2006-04-12 Jerry DeLisle PR libgfortran/26766 diff --git a/gcc/testsuite/gcc.dg/vmx/pr27006.c b/gcc/testsuite/gcc.dg/vmx/pr27006.c new file mode 100644 index 0000000..1b92252 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vmx/pr27006.c @@ -0,0 +1,23 @@ +/* { dg-do run */ +/* { dg-options "-maltivec" } */ + +extern void abort (); + +typedef union +{ + int i[4]; + __attribute__((altivec(vector__))) int v; +} vec_int4; + +int main (void) +{ + vec_int4 i1; + + i1.v = (__attribute__((altivec(vector__))) int){31, 31, 31, 31}; + + if (i1.i[0] != 31) + abort (); + + return 0; +} + -- cgit v1.1