diff options
Diffstat (limited to '0129-Backport-SME-aarch64-Commonise-some-folding-code.patch')
| -rw-r--r-- | 0129-Backport-SME-aarch64-Commonise-some-folding-code.patch | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/0129-Backport-SME-aarch64-Commonise-some-folding-code.patch b/0129-Backport-SME-aarch64-Commonise-some-folding-code.patch new file mode 100644 index 0000000..01fb18d --- /dev/null +++ b/0129-Backport-SME-aarch64-Commonise-some-folding-code.patch @@ -0,0 +1,83 @@ +From 805a7aec3ddab49b92bf2d5c1a3e288860cc14bf Mon Sep 17 00:00:00 2001 +From: Richard Sandiford <richard.sandiford@arm.com> +Date: Thu, 20 Oct 2022 10:37:35 +0100 +Subject: [PATCH 030/157] [Backport][SME] aarch64: Commonise some folding code + +Reference: https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=df99e9e42094dee0833ac38f53e7fae09b4d133c + +Add an aarch64_sve::gimple_folder helper for folding calls +to integer constants. SME will make more use of this. + +gcc/ + * config/aarch64/aarch64-sve-builtins.h + (gimple_folder::fold_to_cstu): New member function. + * config/aarch64/aarch64-sve-builtins.cc + (gimple_folder::fold_to_cstu): Define. + * config/aarch64/aarch64-sve-builtins-base.cc + (svcnt_bhwd_impl::fold): Use it. +--- + gcc/config/aarch64/aarch64-sve-builtins-base.cc | 9 ++------- + gcc/config/aarch64/aarch64-sve-builtins.cc | 7 +++++++ + gcc/config/aarch64/aarch64-sve-builtins.h | 1 + + 3 files changed, 10 insertions(+), 7 deletions(-) + +diff --git a/gcc/config/aarch64/aarch64-sve-builtins-base.cc b/gcc/config/aarch64/aarch64-sve-builtins-base.cc +index c24c05487..56c9d75e7 100644 +--- a/gcc/config/aarch64/aarch64-sve-builtins-base.cc ++++ b/gcc/config/aarch64/aarch64-sve-builtins-base.cc +@@ -516,9 +516,7 @@ public: + gimple * + fold (gimple_folder &f) const OVERRIDE + { +- tree count = build_int_cstu (TREE_TYPE (f.lhs), +- GET_MODE_NUNITS (m_ref_mode)); +- return gimple_build_assign (f.lhs, count); ++ return f.fold_to_cstu (GET_MODE_NUNITS (m_ref_mode)); + } + + rtx +@@ -553,10 +551,7 @@ public: + unsigned int elements_per_vq = 128 / GET_MODE_UNIT_BITSIZE (m_ref_mode); + HOST_WIDE_INT value = aarch64_fold_sve_cnt_pat (pattern, elements_per_vq); + if (value >= 0) +- { +- tree count = build_int_cstu (TREE_TYPE (f.lhs), value); +- return gimple_build_assign (f.lhs, count); +- } ++ return f.fold_to_cstu (value); + + return NULL; + } +diff --git a/gcc/config/aarch64/aarch64-sve-builtins.cc b/gcc/config/aarch64/aarch64-sve-builtins.cc +index a70e3a6b4..e168c8334 100644 +--- a/gcc/config/aarch64/aarch64-sve-builtins.cc ++++ b/gcc/config/aarch64/aarch64-sve-builtins.cc +@@ -2615,6 +2615,13 @@ gimple_folder::redirect_call (const function_instance &instance) + return call; + } + ++/* Fold the call to constant VAL. */ ++gimple * ++gimple_folder::fold_to_cstu (poly_uint64 val) ++{ ++ return gimple_build_assign (lhs, build_int_cstu (TREE_TYPE (lhs), val)); ++} ++ + /* Fold the call to a PTRUE, taking the element size from type suffix 0. */ + gimple * + gimple_folder::fold_to_ptrue () +diff --git a/gcc/config/aarch64/aarch64-sve-builtins.h b/gcc/config/aarch64/aarch64-sve-builtins.h +index 63d1db776..0d130b871 100644 +--- a/gcc/config/aarch64/aarch64-sve-builtins.h ++++ b/gcc/config/aarch64/aarch64-sve-builtins.h +@@ -500,6 +500,7 @@ public: + tree load_store_cookie (tree); + + gimple *redirect_call (const function_instance &); ++ gimple *fold_to_cstu (poly_uint64); + gimple *fold_to_pfalse (); + gimple *fold_to_ptrue (); + gimple *fold_to_vl_pred (unsigned int); +-- +2.33.0 + |