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Faster float conversion operations #464

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Merged
merged 2 commits into from
May 26, 2022
Merged

Faster float conversion operations #464

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7e5768b
Faster int<->float conversions.
m-ou-se May 20, 2022
b941399
Explicitly use parentheses for associativity of shift operators.
m-ou-se May 26, 2022
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12 changes: 1 addition & 11 deletions build.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -281,21 +281,15 @@ mod c {

if target_env == "msvc" {
if target_arch == "x86_64" {
sources.extend(&[
("__floatdisf", "x86_64/floatdisf.c"),
("__floatdixf", "x86_64/floatdixf.c"),
]);
sources.extend(&[("__floatdixf", "x86_64/floatdixf.c")]);
}
} else {
// None of these seem to be used on x86_64 windows, and they've all
// got the wrong ABI anyway, so we want to avoid them.
if target_os != "windows" {
if target_arch == "x86_64" {
sources.extend(&[
("__floatdisf", "x86_64/floatdisf.c"),
("__floatdixf", "x86_64/floatdixf.c"),
("__floatundidf", "x86_64/floatundidf.S"),
("__floatundisf", "x86_64/floatundisf.S"),
("__floatundixf", "x86_64/floatundixf.S"),
]);
}
Expand All @@ -306,11 +300,7 @@ mod c {
("__ashldi3", "i386/ashldi3.S"),
("__ashrdi3", "i386/ashrdi3.S"),
("__divdi3", "i386/divdi3.S"),
("__floatdidf", "i386/floatdidf.S"),
("__floatdisf", "i386/floatdisf.S"),
("__floatdixf", "i386/floatdixf.S"),
("__floatundidf", "i386/floatundidf.S"),
("__floatundisf", "i386/floatundisf.S"),
("__floatundixf", "i386/floatundixf.S"),
("__lshrdi3", "i386/lshrdi3.S"),
("__moddi3", "i386/moddi3.S"),
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