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Rename SIMD_IS_EMULATED to capability-affirmative HAS_HARDWARE_SIMD

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Feoramund
2025-05-29 17:17:51 -04:00
parent edbd247972
commit 45219f240e
4 changed files with 16 additions and 15 deletions
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core/bytes/bytes.odin
+2 -2
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@@ -350,7 +350,7 @@ index_byte :: proc "contextless" (s: []byte, c: byte) -> (index: int) #no_bounds
}
c_vec: simd.u8x16 = c
when !simd.IS_EMULATED {
when simd.HAS_HARDWARE_SIMD {
// Note: While this is something that could also logically take
// advantage of AVX512, the various downclocking and power
// consumption related woes make premature to have a dedicated
@@ -485,7 +485,7 @@ last_index_byte :: proc "contextless" (s: []byte, c: byte) -> int #no_bounds_che
}
c_vec: simd.u8x16 = c
when !simd.IS_EMULATED {
when simd.HAS_HARDWARE_SIMD {
// Note: While this is something that could also logically take
// advantage of AVX512, the various downclocking and power
// consumption related woes make premature to have a dedicated
core/crypto/_chacha20/simd128/chacha20_simd128.odin
+1 -1
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@@ -39,7 +39,7 @@ when ODIN_ARCH == .arm64 || ODIN_ARCH == .arm32 {
// Some targets lack runtime feature detection, and will flat out refuse
// to load binaries that have unknown instructions. This is distinct from
// `simd.IS_EMULATED` as actually good designs support runtime feature
// `simd.HAS_HARDWARE_SIMD` as actually good designs support runtime feature
// detection and that constant establishes a baseline.
//
// See:
core/simd/simd.odin
+4 -4
View File
@@ -26,12 +26,12 @@ import "base:runtime"
/*
Check if SIMD is software-emulated on a target platform.
This value is `false`, when the compile-time target has the hardware support for
at 128-bit (or wider) SIMD. If the compile-time target lacks the hardware support
for 128-bit SIMD, this value is `true`, and all SIMD operations will likely be
This value is `true`, when the compile-time target has the hardware support for
at least 128-bit (or wider) SIMD. If the compile-time target lacks the hardware support
for 128-bit SIMD, this value is `false`, and all SIMD operations will likely be
emulated.
*/
IS_EMULATED :: runtime.SIMD_IS_EMULATED
HAS_HARDWARE_SIMD :: runtime.HAS_HARDWARE_SIMD
/*
Vector of 16 `u8` lanes (128 bits).