From 78d69649491b746bf341531a3d7915fc23894d18 Mon Sep 17 00:00:00 2001 From: Matteo Bernardini Date: Sat, 17 Nov 2018 19:02:18 +0100 Subject: 20181117.1 global branch merge. Signed-off-by: Matteo Bernardini --- ...eference-of-struct-ix86_frame-to-avoid-cop.diff | 72 ++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 development/gcc5/patches/0002-i386-Use-reference-of-struct-ix86_frame-to-avoid-cop.diff (limited to 'development/gcc5/patches/0002-i386-Use-reference-of-struct-ix86_frame-to-avoid-cop.diff') diff --git a/development/gcc5/patches/0002-i386-Use-reference-of-struct-ix86_frame-to-avoid-cop.diff b/development/gcc5/patches/0002-i386-Use-reference-of-struct-ix86_frame-to-avoid-cop.diff new file mode 100644 index 0000000000..7b928df765 --- /dev/null +++ b/development/gcc5/patches/0002-i386-Use-reference-of-struct-ix86_frame-to-avoid-cop.diff @@ -0,0 +1,72 @@ +From 18202ba32cb8de22fc43a5839235a751d0f5c4d9 Mon Sep 17 00:00:00 2001 +From: hjl +Date: Mon, 15 Jan 2018 11:28:44 +0000 +Subject: [PATCH 2/9] i386: Use reference of struct ix86_frame to avoid copy + +When there is no need to make a copy of ix86_frame, we can use reference +of struct ix86_frame to avoid copy. + + Backport from mainline + * config/i386/i386.c (ix86_can_use_return_insn_p): Use reference + of struct ix86_frame. + (ix86_initial_elimination_offset): Likewise. + (ix86_expand_split_stack_prologue): Likewise. + + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-7-branch@256692 138bc75d-0d04-0410-961f-82ee72b054a4 +--- + gcc/config/i386/i386.c | 9 +++------ + gcc/testsuite/ChangeLog | 8 ++++++++ + 2 files changed, 11 insertions(+), 6 deletions(-) + +diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c +index 8133372..397ef7c 100644 +--- a/src/gcc/config/i386/i386.c ++++ b/src/gcc/config/i386/i386.c +@@ -11843,8 +11843,6 @@ symbolic_reference_mentioned_p (rtx op) + bool + ix86_can_use_return_insn_p (void) + { +- struct ix86_frame frame; +- + if (! reload_completed || frame_pointer_needed) + return 0; + +@@ -11857,7 +11855,7 @@ ix86_can_use_return_insn_p (void) + return 0; + + ix86_compute_frame_layout (); +- frame = cfun->machine->frame; ++ struct ix86_frame &frame = cfun->machine->frame; + return (frame.stack_pointer_offset == UNITS_PER_WORD + && (frame.nregs + frame.nsseregs) == 0); + } +@@ -12344,7 +12342,7 @@ HOST_WIDE_INT + ix86_initial_elimination_offset (int from, int to) + { + ix86_compute_frame_layout (); +- struct ix86_frame frame = cfun->machine->frame; ++ struct ix86_frame &frame = cfun->machine->frame; + + if (from == ARG_POINTER_REGNUM && to == HARD_FRAME_POINTER_REGNUM) + return frame.hard_frame_pointer_offset; +@@ -14860,7 +14858,6 @@ static GTY(()) rtx split_stack_fn_large; + void + ix86_expand_split_stack_prologue (void) + { +- struct ix86_frame frame; + HOST_WIDE_INT allocate; + unsigned HOST_WIDE_INT args_size; + rtx_code_label *label; +@@ -14873,7 +14870,7 @@ ix86_expand_split_stack_prologue (void) + + ix86_finalize_stack_realign_flags (); + ix86_compute_frame_layout (); +- frame = cfun->machine->frame; ++ struct ix86_frame &frame = cfun->machine->frame; + allocate = frame.stack_pointer_offset - INCOMING_FRAME_SP_OFFSET; + + /* This is the label we will branch to if we have enough stack +-- +2.7.4 + -- cgit v1.2.3