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Extract out a cross roduct component.

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ed
2026-08-17 10:34:43 -04:00
parent e79c364b40
commit d4795cf9de
3 changed files with 116 additions and 9 deletions
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code/duffle/gen/macs.h
+16
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@@ -211,6 +211,18 @@ WORD_COUNT(mac_gte_mv_to_cr_diag_v3s4, 3)
, gte_mv_to_data_r(v.z, C2_IR3)
WORD_COUNT(mac_gte_ld_ir123_v3s4, 3)
/* atom_dbg_skip */
#define mac_gte_op_cross_v3s4(a, b) \
mac_gte_mv_to_cr_diag_v3s4(a) \
GteDelay_ /* RT diagonal: D1 = a.x, D2 = a.y, D3 = a.z */ \
, mac_gte_ld_ir123_v3s4(b) \
GteDelay_ /* IR: second operand (b.xyz) */ \
, gte_cmdw_cross /* OP: MAC1/2/3 = a × b (S12.20) */ \
, mac_gte_mv_from_mac123_v3s4(a) \
GteDelay_ /* Read MAC1/2/3 → a.xyz (overwrites source-A's load targets) */ \
, mac_shift_aright_v3s4_self(a, 12) /* Right-shift MAC by 12 (S12.20 → S12.0 OuterProduct12) */
WORD_COUNT(mac_gte_op_cross_v3s4, 16)
/* atom_dbg_skip */
#define mac_gte_store_f3(r_primitive_cursor) \
gte_sw(C2_SXY0, r_primitive_cursor, O_(Poly_F3,p0)) \
@@ -322,6 +334,10 @@ WORD_COUNT(mac_gte_general_purpose_interopolation, 10)
, gte_mv_from_data_r(fr_mac3, C2_MAC3)
WORD_COUNT(mac_gte_mv_from_data_r_mac123, 3)
#define mac_gte_mv_from_mac123_v3s4(v) \
mac_gte_mv_from_data_r_mac123(v.x, v.y, v.z)
WORD_COUNT(mac_gte_mv_from_mac123_v3s4, 3)
/* atom_dbg_skip */
#define mac_gcmd_push(cmd, reg_transfer, reg_base, port) \
mac_load_word_imm(reg_transfer, cmd) \