re PR tree-optimization/49318 (177.mesa in SPEC CPU 2000 failed to build)

PR tree-optimization/49318
        * tree-vect-loop.c (vect_determine_vectorization_factor):
        Remove irrelevant pattern statements.

From-SVN: r174891
This commit is contained in:
Ira Rosen 2011-06-10 07:19:28 +00:00 committed by Ira Rosen
parent 6904f4b401
commit f2164f876f
4 changed files with 44 additions and 1 deletions

View File

@ -1,3 +1,9 @@
2011-06-10 Ira Rosen <ira.rosen@linaro.org>
PR tree-optimization/49318
* tree-vect-loop.c (vect_determine_vectorization_factor): Remove
irrelevant pattern statements.
2011-06-10 Hans-Peter Nilsson <hp@axis.com>
* system.h (SETJMP_VIA_SAVE_AREA): Poison.

View File

@ -1,3 +1,8 @@
2011-06-10 Ira Rosen <ira.rosen@linaro.org>
PR tree-optimization/49318
* gcc.dg/vect/pr49318.c: New test.
2011-06-09 David Krauss <potswa@mac.com>
* g++.dg/template/arrow1.C: New.

View File

@ -0,0 +1,22 @@
/* { dg-do compile } */
/* { dg-require-effective-target vect_int } */
/* { dg-require-effective-target vect_float } */
typedef enum { GL_FALSE } GLenum;
typedef unsigned char GLboolean;
typedef int GLint;
typedef unsigned int GLuint;
typedef float GLfloat;
typedef double GLdouble;
typedef struct gl_context GLcontext;
struct gl_context {
GLfloat TextureMatrix[16];
GLenum Primitive;
};
void gl_GetDoublev( GLcontext *ctx, GLenum pname, GLdouble *params ) {
GLuint i;
for (i=0; i<16; i++)
params[i] = (GLint) ctx->TextureMatrix[i];
}
/* { dg-final { cleanup-tree-dump "vect" } } */

View File

@ -255,10 +255,20 @@ vect_determine_vectorization_factor (loop_vec_info loop_vinfo)
gcc_assert (stmt_info);
/* skip stmts which do not need to be vectorized. */
/* Skip stmts which do not need to be vectorized. */
if (!STMT_VINFO_RELEVANT_P (stmt_info)
&& !STMT_VINFO_LIVE_P (stmt_info))
{
if (is_pattern_stmt_p (stmt_info))
{
/* We are not going to vectorize this pattern statement,
therefore, remove it. */
gimple_stmt_iterator tmp_gsi = gsi_for_stmt (stmt);
STMT_VINFO_RELATED_STMT (stmt_info) = NULL;
gsi_remove (&tmp_gsi, true);
free_stmt_vec_info (stmt);
}
if (vect_print_dump_info (REPORT_DETAILS))
fprintf (vect_dump, "skip.");
continue;