search for: shl_imm

...lue out of range -- `sbfx r0,r3,#-2,#31' clang: error: assembler command failed with exit code 1 (use -v to see invocation) make: *** [encoder/analyse.o] Error 1 LSB isn't checked to ensure it's non-negative. In addition, LSB + Width cannot be >32, since it reduces to (Srl_imm - Shl_imm) + (32 - Srl_imm) == 32 - Shl_imm, and it was already assert()ed that 0 < Shl_imm < 32. So that check is just replaced by if (LSB < 0) -------------- next part -------------- A non-text attachment was scrubbed... Name: llvm-arm-neg-bfx.diff Type: application/octet-stream Size: 577 byt...

...d, so test case attached. It'll break if llvm starts emitting the lsl r0, r0, #3 / asr r0, r0, #1 variants for shifts, not sure how to handle that. > LSB isn't checked to ensure it's non-negative. In addition, LSB + > Width cannot be >32, since it reduces to (Srl_imm - Shl_imm) + (32 - > Srl_imm) == 32 - Shl_imm, and it was already assert()ed that 0 < > Shl_imm < 32. So that check is just replaced by if (LSB < 0) -------------- next part -------------- A non-text attachment was scrubbed... Name: llvm-arm-neg-bfx-2.diff Type: application/octet-stream...