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Disable SIMD features by default

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This commit is contained in:
Andrew Brown
2019-07-11 10:17:14 -07:00
committed by Dan Gohman
parent 8378297f33
commit f2c48009e8
5 changed files with 8 additions and 4 deletions
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2
cranelift/codegen/meta/src/shared/settings.rs
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@@ -84,7 +84,7 @@ pub fn define() -> SettingGroup {
false, false,
); );
settings.add_bool("enable_simd", "Enable the use of SIMD instructions.", true); settings.add_bool("enable_simd", "Enable the use of SIMD instructions.", false);
settings.add_bool( settings.add_bool(
"enable_atomics", "enable_atomics",

4
cranelift/codegen/src/isa/riscv/settings.rs
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@@ -35,7 +35,9 @@ mod tests {
#[test] #[test]
fn predicates() { fn predicates() {
let shared = settings::Flags::new(settings::builder()); let mut sb = settings::builder();
sb.set("enable_simd", "true").unwrap();
let shared = settings::Flags::new(sb);
let mut b = builder(); let mut b = builder();
b.enable("supports_f").unwrap(); b.enable("supports_f").unwrap();
b.enable("supports_d").unwrap(); b.enable("supports_d").unwrap();

4
cranelift/codegen/src/settings.rs
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@@ -387,7 +387,7 @@ mod tests {
avoid_div_traps = false\n\ avoid_div_traps = false\n\
enable_float = true\n\ enable_float = true\n\
enable_nan_canonicalization = false\n\ enable_nan_canonicalization = false\n\
enable_simd = true\n\ enable_simd = false\n\
enable_atomics = true\n\ enable_atomics = true\n\
allones_funcaddrs = false\n\ allones_funcaddrs = false\n\
probestack_enabled = true\n\ probestack_enabled = true\n\
@@ -395,7 +395,7 @@ mod tests {
jump_tables_enabled = true\n" jump_tables_enabled = true\n"
); );
assert_eq!(f.opt_level(), super::OptLevel::Default); assert_eq!(f.opt_level(), super::OptLevel::Default);
assert_eq!(f.enable_simd(), true); assert_eq!(f.enable_simd(), false);
assert_eq!(f.baldrdash_prologue_words(), 0); assert_eq!(f.baldrdash_prologue_words(), 0);
} }

1
cranelift/filetests/filetests/isa/x86/binary32-float.clif
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@@ -1,5 +1,6 @@
; Binary emission of 32-bit floating point code. ; Binary emission of 32-bit floating point code.
test binemit test binemit
set enable_simd
target i686 haswell target i686 haswell
; The binary encodings can be verified with the command: ; The binary encodings can be verified with the command:

1
cranelift/filetests/filetests/isa/x86/binary64-float.clif
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@@ -1,6 +1,7 @@
; Binary emission of 64-bit floating point code. ; Binary emission of 64-bit floating point code.
test binemit test binemit
set opt_level=best set opt_level=best
set enable_simd
target x86_64 haswell target x86_64 haswell
; The binary encodings can be verified with the command: ; The binary encodings can be verified with the command: