From: Junxian Zhu <zhujunx...@oss.cipunited.com>
Add buildtime option to decide whether will compiler build with `-mmsa` option
default.
gcc/ChangeLog:
* config.gcc: add -with-{no-}msa build option.
* config/mips/mips.h: Likewise.
* doc/install.texi: Likewise.
Signed-off-by: Junxian Zhu <zhujunx...@oss.cipunited.com>
---
gcc/config.gcc | 19 +++++++++++++++++--
gcc/config/mips/mips.h | 3 ++-
gcc/doc/install.texi | 8 ++++++++
3 files changed, 27 insertions(+), 3 deletions(-)
diff --git a/gcc/config.gcc b/gcc/config.gcc
index c070e6ecd2e..da3a6d3ba1f 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -4709,7 +4709,7 @@ case "${target}" in
;;
mips*-*-*)
- supported_defaults="abi arch arch_32 arch_64 float fpu nan
fp_32 odd_spreg_32 tune tune_32 tune_64 divide llsc mips-plt synci lxc1-sxc1
madd4 compact-branches"
+ supported_defaults="abi arch arch_32 arch_64 float fpu nan
fp_32 odd_spreg_32 tune tune_32 tune_64 divide llsc mips-plt synci lxc1-sxc1
madd4 compact-branches msa"
case ${with_float} in
"" | soft | hard)
@@ -4871,6 +4871,21 @@ case "${target}" in
exit 1
;;
esac
+
+ case ${with_msa} in
+ yes)
+ with_msa=msa
+ ;;
+ no)
+ with_msa=no-msa
+ ;;
+ "")
+ ;;
+ *)
+ echo "Unknown msa type used in --with-msa" 1>&2
+ exit 1
+ ;;
+ esac
;;
loongarch*-*-*)
@@ -5815,7 +5830,7 @@ case ${target} in
esac
t=
-all_defaults="abi cpu cpu_32 cpu_64 arch arch_32 arch_64 tune tune_32 tune_64
schedule float mode fpu nan fp_32 odd_spreg_32 divide llsc mips-plt synci tls
lxc1-sxc1 madd4 isa_spec compact-branches"
+all_defaults="abi cpu cpu_32 cpu_64 arch arch_32 arch_64 tune tune_32 tune_64
schedule float mode fpu nan fp_32 odd_spreg_32 divide llsc mips-plt synci tls
lxc1-sxc1 madd4 isa_spec compact-branches msa"
for option in $all_defaults
do
eval "val=\$with_"`echo $option | sed s/-/_/g`
diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h
index fbb4372864f..13bc193b752 100644
--- a/gcc/config/mips/mips.h
+++ b/gcc/config/mips/mips.h
@@ -916,7 +916,8 @@ struct mips_cpu_info {
{"synci", "%{!msynci:%{!mno-synci:-m%(VALUE)}}" }, \
{"lxc1-sxc1", "%{!mlxc1-sxc1:%{!mno-lxc1-sxc1:-m%(VALUE)}}" }, \
{"madd4", "%{!mmadd4:%{!mno-madd4:-m%(VALUE)}}" }, \
- {"compact-branches", "%{!mcompact-branches=*:-mcompact-branches=%(VALUE)}" }
\
+ {"compact-branches", "%{!mcompact-branches=*:-mcompact-branches=%(VALUE)}"
}, \
+ {"msa", "%{!mmsa:%{!mno-msa:-m%(VALUE)}}" } \
/* A spec that infers the:
-mnan=2008 setting from a -mips argument,
diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index 8ef5c1414da..e3fcb63de0c 100644
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -1653,6 +1653,14 @@ unfused is normally expected). Disabling these
instructions is the
only way to ensure compatible code is generated; this will incur
a performance penalty.
+@item --with-msa
+On MIPS targets, make @option{-mmsa} the default when no
+@option{-mno-mmsa} option is passed.
+
+@item --without-msa
+On MIPS targets, make @option{-mno-msa} the default when no
+@option{-mmsa} option is passed. This is the default.
+
@item --with-mips-plt
On MIPS targets, make use of copy relocations and PLTs.
These features are extensions to the traditional
--
2.39.2
