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1.1 ! root 1: # include "t..c" ! 2: /* tr.c: number register allocation */ ! 3: char * nregs[] ={ ! 4: /* this array must have at least 3*qcol entries ! 5: or illegal register names will result */ ! 6: "40","41","42","43","44","45","46","47","48","49", ! 7: "50","51","52","53","54","55","56","57","58","59", ! 8: "60","61","62","63","64","65","66","67","68","69", ! 9: "70","71","72","73","74","75","76","77","78","79", ! 10: "80","81","82","83","84","85","86","87","88","89", ! 11: "90","91","92","93","94","95","96","97","4q","4r", ! 12: "4s","4t","4u","4v","4w","4x","4y","4z","4;","4.", ! 13: "4a","4b","4c","4d","4e","4f","4g","4h","4i","4j", ! 14: "4k","4l","4m","4n","4o","4p","5a","5b","5c","5d", ! 15: "5e","5f","5g","5h","5i","5j","5k","5l","5m","5n", ! 16: "5o","5p","5q","5r","5s","5t","5u","5v","5w","5x", ! 17: 0}; ! 18: char * ! 19: reg(col, place) ! 20: { ! 21: if(sizeof(nregs) < 2*3*qcol) ! 22: error("Too many columns for registers"); ! 23: return (nregs[qcol*place+col]); ! 24: }
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