ref: 499e44ebfde8c649d48d4c05093a8e1819be5349
dir: amd64-simd/regs.h
/* GPRs */ #define rAX 0 #define rCX 1 #define rDX 2 #define rBX 3 #define rSP 4 #define rBP 5 #define rSI 6 #define rDI 7 /* SSE and AVX (represent [XYZ]MM) */ #define rX0 0 /* X8 */ #define rX1 1 /* X9 */ #define rX2 2 /* X10 */ #define rX3 3 /* X11 */ #define rX4 4 /* X12 */ #define rX5 5 /* X13 */ #define rX6 6 /* X14 */ #define rX7 7 /* X15 */