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ed
2026-06-14 09:08:52 -04:00
parent 4603a3bb9a
commit 66facd79dd
3 changed files with 18 additions and 5 deletions
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code/duffle/gte.h
+8 -3
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@@ -395,12 +395,17 @@ enum { _C2_OPS_ = 0
* `base` is the GPR number to bake into the .word constant's `rs` field.
* These are pure compile-time integers; the C compiler constant-folds
* them into .word directives. */
enum {
GTE_Z_Offset = 4
};
#define gte_lwc2_v0(base) enc_cop2_lwc2(gte_in_v0_xy, (base), 0)
#define gte_lwc2_v0z(base) enc_cop2_lwc2(gte_in_v0_z, (base), 4)
#define gte_lwc2_v0z(base) enc_cop2_lwc2(gte_in_v0_z, (base), GTE_Z_Offset)
#define gte_lwc2_v1(base) enc_cop2_lwc2(gte_in_v1_xy, (base), 0)
#define gte_lwc2_v1z(base) enc_cop2_lwc2(gte_in_v1_z, (base), 4)
#define gte_lwc2_v1z(base) enc_cop2_lwc2(gte_in_v1_z, (base), GTE_Z_Offset)
#define gte_lwc2_v2(base) enc_cop2_lwc2(gte_in_v2_xy, (base), 0)
#define gte_lwc2_v2z(base) enc_cop2_lwc2(gte_in_v2_z, (base), 4)
#define gte_lwc2_v2z(base) enc_cop2_lwc2(gte_in_v2_z, (base), GTE_Z_Offset)
/* gte_load_vN(r_ptr, base) — placeholder-punned lwc2 loaders
*