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| author | Daniel Santos <daniel.santos@pobox.com> | 2017-08-23 21:46:14 +0000 |
|---|---|---|
| committer | Daniel Santos <dansan@gcc.gnu.org> | 2017-08-23 21:46:14 +0000 |
| commit | 122f9da15d1db58bd5f96a8a49d81d529ca07a1e (patch) | |
| tree | 3e22ff025c943b2613b1046be2eb62d27a8237a4 /gcc/doc | |
| parent | 9e931c2a2819523ce7847b622eaf8ae5f740744e (diff) | |
| download | gcc-122f9da15d1db58bd5f96a8a49d81d529ca07a1e.zip gcc-122f9da15d1db58bd5f96a8a49d81d529ca07a1e.tar.gz gcc-122f9da15d1db58bd5f96a8a49d81d529ca07a1e.tar.bz2 | |
PR target/80969 - Fix ICE with -mabi=ms -mavx512f, reduce wasted space when realigning stack.
2017-08-23 Daniel Santos <daniel.santos@pobox.com>
* config/i386/i386.h (ix86_frame::stack_realign_allocate_offset):
Remove field.
(ix86_frame::stack_realign_allocate): New field.
(struct machine_frame_state): Modify comments.
(machine_frame_state::sp_realigned_fp_end): New field.
* config/i386/i386.c (ix86_compute_frame_layout): Rework stack frame
layout calculation.
(sp_valid_at): Add assertion to assure no attempt to access invalid
offset of a realigned stack.
(fp_valid_at): Likewise.
(choose_baseaddr): Modify comments.
(ix86_emit_outlined_ms2sysv_save): Adjust to changes in
ix86_expand_prologue.
(ix86_expand_prologue): Modify stack realignment and allocation.
(ix86_expand_epilogue): Modify comments.
* doc/sourcebuild.texi: Add documentation for target selectors avx2,
avx2_runtime, avx512f, and avx512f_runtime.
2017-08-23 Daniel Santos <daniel.santos@pobox.com>
* gcc.target/i386/pr80969-1.c: New testcase.
* gcc.target/i386/pr80969-2a.c: Likewise.
* gcc.target/i386/pr80969-2.c: Likewise.
* gcc.target/i386/pr80969-3.c: Likewise.
* gcc.target/i386/pr80969-4a.c: Likewise.
* gcc.target/i386/pr80969-4b.c: Likewise.
* gcc.target/i386/pr80969-4.c: Likewise.
* gcc.target/i386/pr80969-4.h: New header common to pr80969-4*.c
* lib/target-supports.exp (check_avx512_os_support_available,
check_avx512f_hw_available, check_effective_target_avx512f_runtime):
New proceedures for target avx512f and avx512f_runtime selectors.
(check_avx2_hw_available): Fix breakage due NULL being undefined.
From-SVN: r251321
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/sourcebuild.texi | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi index a1ca417..9901c94 100644 --- a/gcc/doc/sourcebuild.texi +++ b/gcc/doc/sourcebuild.texi @@ -1855,6 +1855,18 @@ Target supports compiling @code{avx} instructions. @item avx_runtime Target supports the execution of @code{avx} instructions. +@item avx2 +Target supports compiling @code{avx2} instructions. + +@item avx2_runtime +Target supports the execution of @code{avx2} instructions. + +@item avx512f +Target supports compiling @code{avx512f} instructions. + +@item avx512f_runtime +Target supports the execution of @code{avx512f} instructions. + @item cell_hw Test system can execute AltiVec and Cell PPU instructions. |