From a896367ad967d0909085f4090ac4f33b7fbde999 Mon Sep 17 00:00:00 2001
From: klzgrad <kizdiv@gmail.com>
Date: Sun, 1 Dec 2019 03:01:21 +0800
Subject: [PATCH] build: Support MIPS -mtune= flag
---
src/build/config/compiler/BUILD.gn | 6 ++++++
src/build/config/mips.gni | 4 ++++
2 files changed, 10 insertions(+)
diff --git a/src/build/config/compiler/BUILD.gn b/src/build/config/compiler/BUILD.gn
index 6db3363afa..bdecd1d5c6 100644
--- a/src/build/config/compiler/BUILD.gn
+++ b/src/build/config/compiler/BUILD.gn
@@ -1031,6 +1031,9 @@ config("compiler_cpu_abi") {
}
cflags += [ "-m${mips_float_abi}-float" ]
+ if (mips_tune != "") {
+ cflags += [ "-mtune=${mips_tune}" ]
+ }
} else if (current_cpu == "mips" && !is_nacl) {
ldflags += [ "-Wl,--hash-style=sysv" ]
if (custom_toolchain == "") {
@@ -1076,6 +1079,9 @@ config("compiler_cpu_abi") {
}
cflags += [ "-m${mips_float_abi}-float" ]
+ if (mips_tune != "") {
+ cflags += [ "-mtune=${mips_tune}" ]
+ }
} else if (current_cpu == "mips64el") {
cflags += [ "-D__SANE_USERSPACE_TYPES__" ]
ldflags += [ "-Wl,--hash-style=sysv" ]
diff --git a/src/build/config/mips.gni b/src/build/config/mips.gni
index 6365088b14..a796232cc6 100644
--- a/src/build/config/mips.gni
+++ b/src/build/config/mips.gni
@@ -11,6 +11,7 @@ import("//build/config/v8_target_cpu.gni")
declare_args() {
# MIPS MultiMedia Instruction compilation flag.
mips_use_mmi = false
+
}
if (current_cpu == "mipsel" || v8_current_cpu == "mipsel" ||
@@ -42,6 +43,9 @@ if (current_cpu == "mipsel" || v8_current_cpu == "mipsel" ||
# "fp64": sets the GCC -mfp64 option.
# "fpxx": sets the GCC -mfpxx option.
mips_fpu_mode = "fp32"
+
+ # Examples: "24kc", "74kc"
+ mips_tune = ""
}
} else if (current_cpu == "mips64el" || v8_current_cpu == "mips64el" ||
current_cpu == "mips64" || v8_current_cpu == "mips64") {