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* [gcc/devel/autopar_devel] bpf: add support for the -mxbpf option
@ 2020-08-22 21:23 Giuliano Belinassi
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From: Giuliano Belinassi @ 2020-08-22 21:23 UTC (permalink / raw)
To: gcc-cvs
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https://gcc.gnu.org/g:9b39b5c256e699b377bce274a4c3db8f4c6397eb
commit 9b39b5c256e699b377bce274a4c3db8f4c6397eb
Author: Jose E. Marchesi <jose.marchesi@oracle.com>
Date: Tue May 19 11:46:06 2020 +0200
bpf: add support for the -mxbpf option
This patch adds support for a new option -mxbpf. This tells GCC to
generate code for an expanded version of BPF that relaxes some of the
restrictions imposed by BPF.
2020-05-19 Jose E. Marchesi <jose.marchesi@oracle.com>
gcc/
* config/bpf/bpf.opt (mxbpf): New option.
* doc/invoke.texi (Option Summary): Add -mxbpf.
(eBPF Options): Document -mxbbpf.
Diff:
---
gcc/ChangeLog | 6 ++++++
gcc/config/bpf/bpf.opt | 6 ++++++
gcc/doc/invoke.texi | 6 +++++-
3 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 418fec484ae..ef3bcee3911 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2020-05-19 Jose E. Marchesi <jose.marchesi@oracle.com>
+
+ * config/bpf/bpf.opt (mxbpf): New option.
+ * doc/invoke.texi (Option Summary): Add -mxbpf.
+ (eBPF Options): Document -mxbbpf.
+
2020-05-19 Uroš Bizjak <ubizjak@gmail.com>
PR target/92658
diff --git a/gcc/config/bpf/bpf.opt b/gcc/config/bpf/bpf.opt
index 78b93c55575..6aa858408f1 100644
--- a/gcc/config/bpf/bpf.opt
+++ b/gcc/config/bpf/bpf.opt
@@ -108,6 +108,12 @@ Enum(bpf_kernel) String(5.1) Value(LINUX_V5_1)
EnumValue
Enum(bpf_kernel) String(5.2) Value(LINUX_V5_2)
+; Use xBPF extensions.
+
+mxbpf
+Target Report Mask(XBPF)
+Generate xBPF.
+
; Selecting big endian or little endian targets.
mbig-endian
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 850aeac033d..0c33deb830b 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -862,7 +862,7 @@ Objective-C and Objective-C++ Dialects}.
@emph{eBPF Options}
@gccoptlist{-mbig-endian -mlittle-endian -mkernel=@var{version}
--mframe-limit=@var{bytes}}
+-mframe-limit=@var{bytes} -mxbpf}
@emph{FR30 Options}
@gccoptlist{-msmall-model -mno-lsim}
@@ -21013,6 +21013,10 @@ Generate code for a big-endian target.
@item -mlittle-endian
@opindex mlittle-endian
Generate code for a little-endian target. This is the default.
+
+@item -mxbpf
+Generate code for an expanded version of BPF, which relaxes some of
+the restrictions imposed by the BPF architecture.
@end table
@node FR30 Options
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