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ed
2026-08-22 21:03:57 -04:00
parent a37ffe6f58
commit 52888015de
15 changed files with 43 additions and 108 deletions
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code/duffle/gcc_asm.h
-8
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@@ -79,14 +79,6 @@
* Why bundle the `__asm__()` wrapper?
* - The integer R_T4 (= 12, via R_T4_Code) already indicates the register.
* - The string "$12" is derived from it via reg_str, so they cannot drift apart.
* - Spelling `__asm__(reg_str(R_T4_Code))` at every call site is noise.
*
* tmpl defined in dsl.h (token-paste glue).
* rgcc define here (gcc_asm.h) because the `__asm__` keyword is GCC-specific.
* Anyone porting to a different compiler's asm dialect overrides rgcc,
* and the integer→string derivation in rlit can be retargeted in one place.
*
* For clobber lists and asm-template strings, use the bare `rlit(R_T4_Code)`.
* ------------------------------------------------------------------------ */
#define rgcc(n) __asm__(rlit(n))