diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-9.3/0001-Backport-fix-for-PR-tree-optimization-97236-fix-bad-.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-9.3/0001-Backport-fix-for-PR-tree-optimization-97236-fix-bad-.patch | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-9.3/0001-Backport-fix-for-PR-tree-optimization-97236-fix-bad-.patch b/meta/recipes-devtools/gcc/gcc-9.3/0001-Backport-fix-for-PR-tree-optimization-97236-fix-bad-.patch deleted file mode 100644 index dc1039dcc8..0000000000 --- a/meta/recipes-devtools/gcc/gcc-9.3/0001-Backport-fix-for-PR-tree-optimization-97236-fix-bad-.patch +++ /dev/null @@ -1,119 +0,0 @@ -Upstream-Status: Backport [https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=97b668f9a8c6ec565c278a60e7d1492a6932e409] -Signed-off-by: Jon Mason <jon.mason@arm.com> - -From 97b668f9a8c6ec565c278a60e7d1492a6932e409 Mon Sep 17 00:00:00 2001 -From: Matthias Klose <doko@ubuntu.com> -Date: Tue, 6 Oct 2020 13:41:37 +0200 -Subject: [PATCH] Backport fix for PR/tree-optimization/97236 - fix bad use of - VMAT_CONTIGUOUS - -This avoids using VMAT_CONTIGUOUS with single-element interleaving -when using V1mode vectors. Instead keep VMAT_ELEMENTWISE but -continue to avoid load-lanes and gathers. - -2020-10-01 Richard Biener <rguenther@suse.de> - - PR tree-optimization/97236 - * tree-vect-stmts.c (get_group_load_store_type): Keep - VMAT_ELEMENTWISE for single-element vectors. - - * gcc.dg/vect/pr97236.c: New testcase. - -(cherry picked from commit 1ab88985631dd2c5a5e3b5c0dce47cf8b6ed2f82) ---- - gcc/testsuite/gcc.dg/vect/pr97236.c | 43 +++++++++++++++++++++++++++++ - gcc/tree-vect-stmts.c | 20 ++++++-------- - 2 files changed, 52 insertions(+), 11 deletions(-) - create mode 100644 gcc/testsuite/gcc.dg/vect/pr97236.c - -diff --git a/gcc/testsuite/gcc.dg/vect/pr97236.c b/gcc/testsuite/gcc.dg/vect/pr97236.c -new file mode 100644 -index 000000000000..9d3dc20d953d ---- /dev/null -+++ b/gcc/testsuite/gcc.dg/vect/pr97236.c -@@ -0,0 +1,43 @@ -+typedef unsigned char __uint8_t; -+typedef __uint8_t uint8_t; -+typedef struct plane_t { -+ uint8_t *p_pixels; -+ int i_lines; -+ int i_pitch; -+} plane_t; -+ -+typedef struct { -+ plane_t p[5]; -+} picture_t; -+ -+#define N 4 -+ -+void __attribute__((noipa)) -+picture_Clone(picture_t *picture, picture_t *res) -+{ -+ for (int i = 0; i < N; i++) { -+ res->p[i].p_pixels = picture->p[i].p_pixels; -+ res->p[i].i_lines = picture->p[i].i_lines; -+ res->p[i].i_pitch = picture->p[i].i_pitch; -+ } -+} -+ -+int -+main() -+{ -+ picture_t aaa, bbb; -+ uint8_t pixels[10] = {1, 1, 1, 1, 1, 1, 1, 1}; -+ -+ for (unsigned i = 0; i < N; i++) -+ aaa.p[i].p_pixels = pixels; -+ -+ picture_Clone (&aaa, &bbb); -+ -+ uint8_t c = 0; -+ for (unsigned i = 0; i < N; i++) -+ c += bbb.p[i].p_pixels[0]; -+ -+ if (c != N) -+ __builtin_abort (); -+ return 0; -+} -diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c -index 507f81b0a0e8..ffbba3441de2 100644 ---- a/gcc/tree-vect-stmts.c -+++ b/gcc/tree-vect-stmts.c -@@ -2355,25 +2355,23 @@ get_group_load_store_type (stmt_vec_info stmt_info, tree vectype, bool slp, - /* First cope with the degenerate case of a single-element - vector. */ - if (known_eq (TYPE_VECTOR_SUBPARTS (vectype), 1U)) -- *memory_access_type = VMAT_CONTIGUOUS; -+ ; - - /* Otherwise try using LOAD/STORE_LANES. */ -- if (*memory_access_type == VMAT_ELEMENTWISE -- && (vls_type == VLS_LOAD -- ? vect_load_lanes_supported (vectype, group_size, masked_p) -- : vect_store_lanes_supported (vectype, group_size, -- masked_p))) -+ else if (vls_type == VLS_LOAD -+ ? vect_load_lanes_supported (vectype, group_size, masked_p) -+ : vect_store_lanes_supported (vectype, group_size, -+ masked_p)) - { - *memory_access_type = VMAT_LOAD_STORE_LANES; - overrun_p = would_overrun_p; - } - - /* If that fails, try using permuting loads. */ -- if (*memory_access_type == VMAT_ELEMENTWISE -- && (vls_type == VLS_LOAD -- ? vect_grouped_load_supported (vectype, single_element_p, -- group_size) -- : vect_grouped_store_supported (vectype, group_size))) -+ else if (vls_type == VLS_LOAD -+ ? vect_grouped_load_supported (vectype, single_element_p, -+ group_size) -+ : vect_grouped_store_supported (vectype, group_size)) - { - *memory_access_type = VMAT_CONTIGUOUS_PERMUTE; - overrun_p = would_overrun_p; --- -2.20.1 - |