From: Hongyu Wang <hongyu.wang@intel.com>
Date: Mon, 8 Jan 2024 03:01:54 +0000 (+0800)
Subject: i386: [APX] Add missing document for APX
X-Git-Tag: basepoints/gcc-15~3145
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=79b5fd013a97615f1e0a2e762d2649539e27aab7;p=thirdparty%2Fgcc.git

i386: [APX] Add missing document for APX

The supported sub-features for APX was missing in option document and
target attribute section. Add those missing ones.

gcc/ChangeLog:

	* config/i386/i386.opt: Add supported sub-features.
	* doc/extend.texi: Add description for target attribute.
---

diff --git a/gcc/config/i386/i386.opt b/gcc/config/i386/i386.opt
index 1bfff1e0d827..a38e92baf926 100644
--- a/gcc/config/i386/i386.opt
+++ b/gcc/config/i386/i386.opt
@@ -1328,7 +1328,8 @@ Enable vectorization for scatter instruction.
 
 mapxf
 Target Mask(ISA2_APX_F) Var(ix86_isa_flags2) Save
-Support APX code generation.
+Support code generation for APX features, including EGPR, PUSH2POP2,
+NDD and PPX.
 
 mapx-features=
 Target Undocumented Joined Enum(apx_features) EnumSet Var(ix86_apx_features) Init(apx_none) Save
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index 9e61ba9507dd..84eef411e2d9 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -7344,6 +7344,12 @@ Enable/disable the generation of the SM4 instructions.
 @itemx no-usermsr
 Enable/disable the generation of the USER_MSR instructions.
 
+@cindex @code{target("apxf")} function attribute, x86
+@item apxf
+@itemx no-apxf
+Enable/disable the generation of the APX features, including
+EGPR, PUSH2POP2, NDD and PPX.
+
 @cindex @code{target("avx10.1")} function attribute, x86
 @item avx10.1
 @itemx no-avx10.1