[marcos@x mesa]$ LD_LIBRARY_PATH=/home/marcos/mesa_install/lib DRI_PRIME=1 NV50_PROG_DEBUG=1 src/gallium/drivers/nouveau/nouveau_compiler -a c0 ../double_immediates.shader
Compiling for NVC0
FRAG
DCL OUT[0], COLOR
DCL CONST[0..2]
DCL TEMP[0..1], LOCAL
IMM[0] FLT64 {1.00000000, 1.00000000}
IMM[1] FLT32 {    0.0000,     1.0000,     0.0000,     0.0000}
  0: DSNE TEMP[0].x, CONST[0].xyxy, IMM[0].xyxy
  1: DSNE TEMP[0].y, CONST[0].zwzw, IMM[0].xyxy
  2: DSNE TEMP[0].z, CONST[1].xyxy, IMM[1].xyxy
  3: DSNE TEMP[0].w, CONST[1].zwzw, IMM[1].xyxy
  4: USEQ TEMP[1], TEMP[0], CONST[2]
  5: AND TEMP[1].x, TEMP[1].xxxx, TEMP[1].yyyy
  6: AND TEMP[1].y, TEMP[1].zzzz, TEMP[1].wwww
  7: AND TEMP[0].x, TEMP[1].xxxx, TEMP[1].yyyy
  8: UIF TEMP[0].xxxx :0
  9:   MOV TEMP[0], IMM[1].xyxy
 10: ELSE :0
 11:   MOV TEMP[0], IMM[1].yxxy
 12: ENDIF
 13: MOV OUT[0], TEMP[0]
 14: END
Segmentation fault (core dumped)