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fix: extend BP_BIG_ENDIAN auto-detection to cover TI ARM CGT #84

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Merged
hit9 merged 2 commits into from
Jun 19, 2026
Merged

fix: extend BP_BIG_ENDIAN auto-detection to cover TI ARM CGT #84

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74f6f24
fix: extend BP_BIG_ENDIAN auto-detection to cover TI ARM CGT
dcasnowdon Jun 19, 2026
348586a
style: apply black formatting
dcasnowdon Jun 19, 2026
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9 changes: 7 additions & 2 deletions compiler/bitproto/renderer/impls/c/renderer_c.py
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Original file line number Diff line number Diff line change
Expand Up @@ -411,8 +411,13 @@ def render(self) -> None:
if endian == "both":
# Auto-detect a big-endian host so the default just works without
# the user defining BP_BIG_ENDIAN; still overridable via -D.
self.push("#if !defined(BP_BIG_ENDIAN) && defined(__BYTE_ORDER__) && \\")
self.push(" (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)")
# __BYTE_ORDER__ / __ORDER_BIG_ENDIAN__ covers GCC/Clang.
# __BIG_ENDIAN__ covers TI ARM CGT (--be32) and some other toolchains.
self.push("#if !defined(BP_BIG_ENDIAN) && (\\")
self.push(
" (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)) || \\"
)
self.push(" defined(__BIG_ENDIAN__))")
self.push("#define BP_BIG_ENDIAN 1")
self.push("#endif")
# <string.h> is only needed for memset in the big-endian path.
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