Merge changes I7a102fa1,Ic3156e53 into main
* changes: [cc:riscv64] change -munaligned-access to -mno-strict-align Fully document all the riscv64 flags.
This commit is contained in:
commit
97409cd9a2
1 changed files with 19 additions and 7 deletions
|
@ -23,24 +23,36 @@ import (
|
|||
|
||||
var (
|
||||
riscv64Cflags = []string{
|
||||
// Help catch common 32/64-bit errors.
|
||||
// Help catch common 32/64-bit errors. (This is duplicated in all 64-bit
|
||||
// architectures' cflags.)
|
||||
"-Werror=implicit-function-declaration",
|
||||
// This is already the driver's Android default, but duplicated here (and
|
||||
// below) for ease of experimentation with additional extensions.
|
||||
"-march=rv64gcv_zba_zbb_zbs",
|
||||
"-munaligned-access",
|
||||
// Until https://gitlab.com/qemu-project/qemu/-/issues/1976 is fixed...
|
||||
// TODO: move to driver (https://github.com/google/android-riscv64/issues/111)
|
||||
"-mno-strict-align",
|
||||
// TODO: remove when qemu V works (https://gitlab.com/qemu-project/qemu/-/issues/1976)
|
||||
// (Note that we'll probably want to wait for berberis to be good enough
|
||||
// that most people don't care about qemu's V performance either!)
|
||||
"-mno-implicit-float",
|
||||
// (https://github.com/google/android-riscv64/issues/124)
|
||||
// TODO: remove when clang default changed (https://github.com/google/android-riscv64/issues/124)
|
||||
"-mllvm -jump-is-expensive=false",
|
||||
}
|
||||
|
||||
riscv64ArchVariantCflags = map[string][]string{}
|
||||
|
||||
riscv64Ldflags = []string{
|
||||
// TODO: sysv hashes are the default for other architectures because gnu
|
||||
// hashes weren't supported until api level 23, but riscv64 didn't exist
|
||||
// back then, and could move today...
|
||||
// https://android.googlesource.com/platform/bionic/+/main/android-changes-for-ndk-developers.md#gnu-hashes-availible-in-api-level-23
|
||||
"-Wl,--hash-style=gnu",
|
||||
// This is already the driver's Android default, but duplicated here (and
|
||||
// above) for ease of experimentation with additional extensions.
|
||||
"-march=rv64gcv_zba_zbb_zbs",
|
||||
"-munaligned-access",
|
||||
// We should change the default for this in clang, but for now...
|
||||
// (https://github.com/google/android-riscv64/issues/124)
|
||||
// TODO: move to driver (https://github.com/google/android-riscv64/issues/111)
|
||||
"-mno-strict-align",
|
||||
// TODO: remove when clang default changed (https://github.com/google/android-riscv64/issues/124)
|
||||
"-Wl,-mllvm -Wl,-jump-is-expensive=false",
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue