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cover every 8-byte bare vector type

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kalsprite
2026-08-13 21:30:56 -07:00
parent 1cf1c4103e
commit 416619b71b
1 changed files with 9 additions and 2 deletions
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11
tests/abi/gen.py
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@@ -325,9 +325,13 @@ def build():
# `#simd[8]f32` does not. 4-byte widths were absent entirely. Measured
# against clang on x86-64, the divergence is purely SIZE-driven and
# independent of the element: 4-byte and >=32-byte diverge, 8- and 16-byte
# agree.
# agree. Every 8-byte element type is here for that reason -- LLVM rounds a
# bare vector's stack slot up to the legal vector width whatever it holds,
# so one 8-byte row would only have caught the defect for its own element.
BARE = [("i8", 4, "rx_i8x4", TIER_GNU), ("i8", 8, "rx_i8x8", TIER_GNU),
("i16", 2, "rx_i16x2", TIER_GNU), ("i32", 8, "rx_i32x8", TIER_GNU),
("i16", 2, "rx_i16x2", TIER_GNU), ("i16", 4, "rx_i16x4", TIER_GNU),
("i32", 2, "rx_i32x2", TIER_GNU), ("f32", 2, "rx_f32x2", TIER_GNU),
("i32", 8, "rx_i32x8", TIER_GNU),
("i64", 4, "rx_i64x4", TIER_GNU), ("f32", 8, "rx_f32x8", TIER_GNU),
("f32", 16, "rx_f32x16", TIER_GNU), ("f16", 2, "rx_f16x2", TIER_F16)]
for tag, n, cname, tier in BARE:
@@ -506,6 +510,9 @@ typedef float rx_v4f __attribute__((vector_size(16)));
typedef signed char rx_i8x4 __attribute__((vector_size(4)));
typedef signed char rx_i8x8 __attribute__((vector_size(8)));
typedef short rx_i16x2 __attribute__((vector_size(4)));
typedef short rx_i16x4 __attribute__((vector_size(8)));
typedef int rx_i32x2 __attribute__((vector_size(8)));
typedef float rx_f32x2 __attribute__((vector_size(8)));
typedef int rx_i32x8 __attribute__((vector_size(32)));
typedef long long rx_i64x4 __attribute__((vector_size(32)));
typedef float rx_f32x8 __attribute__((vector_size(32)));