| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck %s -check-prefixes=CHECK,RV64I |
| ; RUN: llc -mtriple=riscv64 -mattr=+zbs -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck %s -check-prefixes=CHECK,RV64ZBS |
| ; RUN: llc -mtriple=riscv64 -mattr=+zbs,+zbb -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck %s -check-prefixes=CHECK,RV64ZBS |
| |
| define signext i32 @bclr_i32(i32 signext %a, i32 signext %b) nounwind { |
| ; RV64I-LABEL: bclr_i32: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a2, 1 |
| ; RV64I-NEXT: sllw a1, a2, a1 |
| ; RV64I-NEXT: not a1, a1 |
| ; RV64I-NEXT: and a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bclr_i32: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: andi a1, a1, 31 |
| ; RV64ZBS-NEXT: bclr a0, a0, a1 |
| ; RV64ZBS-NEXT: sext.w a0, a0 |
| ; RV64ZBS-NEXT: ret |
| %and = and i32 %b, 31 |
| %shl = shl nuw i32 1, %and |
| %neg = xor i32 %shl, -1 |
| %and1 = and i32 %neg, %a |
| ret i32 %and1 |
| } |
| |
| define signext i32 @bclr_i32_no_mask(i32 signext %a, i32 signext %b) nounwind { |
| ; RV64I-LABEL: bclr_i32_no_mask: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a2, 1 |
| ; RV64I-NEXT: sllw a1, a2, a1 |
| ; RV64I-NEXT: not a1, a1 |
| ; RV64I-NEXT: and a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bclr_i32_no_mask: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bclr a0, a0, a1 |
| ; RV64ZBS-NEXT: sext.w a0, a0 |
| ; RV64ZBS-NEXT: ret |
| %shl = shl i32 1, %b |
| %neg = xor i32 %shl, -1 |
| %and1 = and i32 %neg, %a |
| ret i32 %and1 |
| } |
| |
| define signext i32 @bclr_i32_load(ptr %p, i32 signext %b) nounwind { |
| ; RV64I-LABEL: bclr_i32_load: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: lw a0, 0(a0) |
| ; RV64I-NEXT: li a2, 1 |
| ; RV64I-NEXT: sllw a1, a2, a1 |
| ; RV64I-NEXT: not a1, a1 |
| ; RV64I-NEXT: and a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bclr_i32_load: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: lw a0, 0(a0) |
| ; RV64ZBS-NEXT: bclr a0, a0, a1 |
| ; RV64ZBS-NEXT: sext.w a0, a0 |
| ; RV64ZBS-NEXT: ret |
| %a = load i32, ptr %p |
| %shl = shl i32 1, %b |
| %neg = xor i32 %shl, -1 |
| %and1 = and i32 %neg, %a |
| ret i32 %and1 |
| } |
| |
| define i64 @bclr_i64(i64 %a, i64 %b) nounwind { |
| ; RV64I-LABEL: bclr_i64: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a2, 1 |
| ; RV64I-NEXT: sll a1, a2, a1 |
| ; RV64I-NEXT: not a1, a1 |
| ; RV64I-NEXT: and a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bclr_i64: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bclr a0, a0, a1 |
| ; RV64ZBS-NEXT: ret |
| %and = and i64 %b, 63 |
| %shl = shl nuw i64 1, %and |
| %neg = xor i64 %shl, -1 |
| %and1 = and i64 %neg, %a |
| ret i64 %and1 |
| } |
| |
| define i64 @bclr_i64_no_mask(i64 %a, i64 %b) nounwind { |
| ; RV64I-LABEL: bclr_i64_no_mask: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a2, 1 |
| ; RV64I-NEXT: sll a1, a2, a1 |
| ; RV64I-NEXT: not a1, a1 |
| ; RV64I-NEXT: and a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bclr_i64_no_mask: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bclr a0, a0, a1 |
| ; RV64ZBS-NEXT: ret |
| %shl = shl i64 1, %b |
| %neg = xor i64 %shl, -1 |
| %and1 = and i64 %neg, %a |
| ret i64 %and1 |
| } |
| |
| define signext i32 @bset_i32(i32 signext %a, i32 signext %b) nounwind { |
| ; RV64I-LABEL: bset_i32: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a2, 1 |
| ; RV64I-NEXT: sllw a1, a2, a1 |
| ; RV64I-NEXT: or a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bset_i32: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: andi a1, a1, 31 |
| ; RV64ZBS-NEXT: bset a0, a0, a1 |
| ; RV64ZBS-NEXT: sext.w a0, a0 |
| ; RV64ZBS-NEXT: ret |
| %and = and i32 %b, 31 |
| %shl = shl nuw i32 1, %and |
| %or = or i32 %shl, %a |
| ret i32 %or |
| } |
| |
| define signext i32 @bset_i32_no_mask(i32 signext %a, i32 signext %b) nounwind { |
| ; RV64I-LABEL: bset_i32_no_mask: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a2, 1 |
| ; RV64I-NEXT: sllw a1, a2, a1 |
| ; RV64I-NEXT: or a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bset_i32_no_mask: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bset a0, a0, a1 |
| ; RV64ZBS-NEXT: sext.w a0, a0 |
| ; RV64ZBS-NEXT: ret |
| %shl = shl i32 1, %b |
| %or = or i32 %shl, %a |
| ret i32 %or |
| } |
| |
| define signext i32 @bset_i32_load(ptr %p, i32 signext %b) nounwind { |
| ; RV64I-LABEL: bset_i32_load: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: lw a0, 0(a0) |
| ; RV64I-NEXT: li a2, 1 |
| ; RV64I-NEXT: sllw a1, a2, a1 |
| ; RV64I-NEXT: or a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bset_i32_load: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: lw a0, 0(a0) |
| ; RV64ZBS-NEXT: bset a0, a0, a1 |
| ; RV64ZBS-NEXT: sext.w a0, a0 |
| ; RV64ZBS-NEXT: ret |
| %a = load i32, ptr %p |
| %shl = shl i32 1, %b |
| %or = or i32 %shl, %a |
| ret i32 %or |
| } |
| |
| ; We can use bsetw for 1 << x by setting the first source to zero. |
| define signext i32 @bset_i32_zero(i32 signext %a) nounwind { |
| ; RV64I-LABEL: bset_i32_zero: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a1, 1 |
| ; RV64I-NEXT: sllw a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bset_i32_zero: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bset a0, zero, a0 |
| ; RV64ZBS-NEXT: sext.w a0, a0 |
| ; RV64ZBS-NEXT: ret |
| %shl = shl i32 1, %a |
| ret i32 %shl |
| } |
| |
| define i64 @bset_i64(i64 %a, i64 %b) nounwind { |
| ; RV64I-LABEL: bset_i64: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a2, 1 |
| ; RV64I-NEXT: sll a1, a2, a1 |
| ; RV64I-NEXT: or a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bset_i64: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bset a0, a0, a1 |
| ; RV64ZBS-NEXT: ret |
| %conv = and i64 %b, 63 |
| %shl = shl nuw i64 1, %conv |
| %or = or i64 %shl, %a |
| ret i64 %or |
| } |
| |
| define i64 @bset_i64_no_mask(i64 %a, i64 %b) nounwind { |
| ; RV64I-LABEL: bset_i64_no_mask: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a2, 1 |
| ; RV64I-NEXT: sll a1, a2, a1 |
| ; RV64I-NEXT: or a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bset_i64_no_mask: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bset a0, a0, a1 |
| ; RV64ZBS-NEXT: ret |
| %shl = shl i64 1, %b |
| %or = or i64 %shl, %a |
| ret i64 %or |
| } |
| |
| ; We can use bsetw for 1 << x by setting the first source to zero. |
| define signext i64 @bset_i64_zero(i64 signext %a) nounwind { |
| ; RV64I-LABEL: bset_i64_zero: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a1, 1 |
| ; RV64I-NEXT: sll a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bset_i64_zero: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bset a0, zero, a0 |
| ; RV64ZBS-NEXT: ret |
| %shl = shl i64 1, %a |
| ret i64 %shl |
| } |
| |
| define signext i32 @binv_i32(i32 signext %a, i32 signext %b) nounwind { |
| ; RV64I-LABEL: binv_i32: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a2, 1 |
| ; RV64I-NEXT: sllw a1, a2, a1 |
| ; RV64I-NEXT: xor a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: binv_i32: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: andi a1, a1, 31 |
| ; RV64ZBS-NEXT: binv a0, a0, a1 |
| ; RV64ZBS-NEXT: sext.w a0, a0 |
| ; RV64ZBS-NEXT: ret |
| %and = and i32 %b, 31 |
| %shl = shl nuw i32 1, %and |
| %xor = xor i32 %shl, %a |
| ret i32 %xor |
| } |
| |
| define signext i32 @binv_i32_no_mask(i32 signext %a, i32 signext %b) nounwind { |
| ; RV64I-LABEL: binv_i32_no_mask: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a2, 1 |
| ; RV64I-NEXT: sllw a1, a2, a1 |
| ; RV64I-NEXT: xor a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: binv_i32_no_mask: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: binv a0, a0, a1 |
| ; RV64ZBS-NEXT: sext.w a0, a0 |
| ; RV64ZBS-NEXT: ret |
| %shl = shl i32 1, %b |
| %xor = xor i32 %shl, %a |
| ret i32 %xor |
| } |
| |
| define signext i32 @binv_i32_load(ptr %p, i32 signext %b) nounwind { |
| ; RV64I-LABEL: binv_i32_load: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: lw a0, 0(a0) |
| ; RV64I-NEXT: li a2, 1 |
| ; RV64I-NEXT: sllw a1, a2, a1 |
| ; RV64I-NEXT: xor a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: binv_i32_load: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: lw a0, 0(a0) |
| ; RV64ZBS-NEXT: binv a0, a0, a1 |
| ; RV64ZBS-NEXT: sext.w a0, a0 |
| ; RV64ZBS-NEXT: ret |
| %a = load i32, ptr %p |
| %shl = shl i32 1, %b |
| %xor = xor i32 %shl, %a |
| ret i32 %xor |
| } |
| |
| define i64 @binv_i64(i64 %a, i64 %b) nounwind { |
| ; RV64I-LABEL: binv_i64: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a2, 1 |
| ; RV64I-NEXT: sll a1, a2, a1 |
| ; RV64I-NEXT: xor a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: binv_i64: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: binv a0, a0, a1 |
| ; RV64ZBS-NEXT: ret |
| %conv = and i64 %b, 63 |
| %shl = shl nuw i64 1, %conv |
| %xor = xor i64 %shl, %a |
| ret i64 %xor |
| } |
| |
| define i64 @binv_i64_no_mask(i64 %a, i64 %b) nounwind { |
| ; RV64I-LABEL: binv_i64_no_mask: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a2, 1 |
| ; RV64I-NEXT: sll a1, a2, a1 |
| ; RV64I-NEXT: xor a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: binv_i64_no_mask: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: binv a0, a0, a1 |
| ; RV64ZBS-NEXT: ret |
| %shl = shl nuw i64 1, %b |
| %xor = xor i64 %shl, %a |
| ret i64 %xor |
| } |
| |
| define signext i32 @bext_i32(i32 signext %a, i32 signext %b) nounwind { |
| ; RV64I-LABEL: bext_i32: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: srlw a0, a0, a1 |
| ; RV64I-NEXT: andi a0, a0, 1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bext_i32: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: andi a1, a1, 31 |
| ; RV64ZBS-NEXT: bext a0, a0, a1 |
| ; RV64ZBS-NEXT: ret |
| %and = and i32 %b, 31 |
| %shr = lshr i32 %a, %and |
| %and1 = and i32 %shr, 1 |
| ret i32 %and1 |
| } |
| |
| define signext i32 @bext_i32_no_mask(i32 signext %a, i32 signext %b) nounwind { |
| ; RV64I-LABEL: bext_i32_no_mask: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: srlw a0, a0, a1 |
| ; RV64I-NEXT: andi a0, a0, 1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bext_i32_no_mask: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bext a0, a0, a1 |
| ; RV64ZBS-NEXT: ret |
| %shr = lshr i32 %a, %b |
| %and1 = and i32 %shr, 1 |
| ret i32 %and1 |
| } |
| |
| ; This gets previous converted to (i1 (truncate (srl X, Y)). Make sure we are |
| ; able to use bext. |
| define void @bext_i32_trunc(i32 signext %0, i32 signext %1) { |
| ; RV64I-LABEL: bext_i32_trunc: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: srlw a0, a0, a1 |
| ; RV64I-NEXT: andi a0, a0, 1 |
| ; RV64I-NEXT: beqz a0, .LBB19_2 |
| ; RV64I-NEXT: # %bb.1: |
| ; RV64I-NEXT: ret |
| ; RV64I-NEXT: .LBB19_2: |
| ; RV64I-NEXT: tail bar |
| ; |
| ; RV64ZBS-LABEL: bext_i32_trunc: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bext a0, a0, a1 |
| ; RV64ZBS-NEXT: beqz a0, .LBB19_2 |
| ; RV64ZBS-NEXT: # %bb.1: |
| ; RV64ZBS-NEXT: ret |
| ; RV64ZBS-NEXT: .LBB19_2: |
| ; RV64ZBS-NEXT: tail bar |
| %3 = shl i32 1, %1 |
| %4 = and i32 %3, %0 |
| %5 = icmp eq i32 %4, 0 |
| br i1 %5, label %6, label %7 |
| |
| 6: ; preds = %2 |
| tail call void @bar() |
| br label %7 |
| |
| 7: ; preds = %6, %2 |
| ret void |
| } |
| |
| declare void @bar() |
| |
| define i64 @bext_i64(i64 %a, i64 %b) nounwind { |
| ; RV64I-LABEL: bext_i64: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: srl a0, a0, a1 |
| ; RV64I-NEXT: andi a0, a0, 1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bext_i64: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bext a0, a0, a1 |
| ; RV64ZBS-NEXT: ret |
| %conv = and i64 %b, 63 |
| %shr = lshr i64 %a, %conv |
| %and1 = and i64 %shr, 1 |
| ret i64 %and1 |
| } |
| |
| define i64 @bext_i64_no_mask(i64 %a, i64 %b) nounwind { |
| ; RV64I-LABEL: bext_i64_no_mask: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: srl a0, a0, a1 |
| ; RV64I-NEXT: andi a0, a0, 1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bext_i64_no_mask: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bext a0, a0, a1 |
| ; RV64ZBS-NEXT: ret |
| %shr = lshr i64 %a, %b |
| %and1 = and i64 %shr, 1 |
| ret i64 %and1 |
| } |
| |
| define signext i32 @bexti_i32(i32 signext %a) nounwind { |
| ; RV64I-LABEL: bexti_i32: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: slli a0, a0, 58 |
| ; RV64I-NEXT: srli a0, a0, 63 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bexti_i32: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bexti a0, a0, 5 |
| ; RV64ZBS-NEXT: ret |
| %shr = lshr i32 %a, 5 |
| %and = and i32 %shr, 1 |
| ret i32 %and |
| } |
| |
| define i64 @bexti_i64(i64 %a) nounwind { |
| ; RV64I-LABEL: bexti_i64: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: slli a0, a0, 58 |
| ; RV64I-NEXT: srli a0, a0, 63 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bexti_i64: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bexti a0, a0, 5 |
| ; RV64ZBS-NEXT: ret |
| %shr = lshr i64 %a, 5 |
| %and = and i64 %shr, 1 |
| ret i64 %and |
| } |
| |
| define signext i32 @bexti_i32_cmp(i32 signext %a) nounwind { |
| ; RV64I-LABEL: bexti_i32_cmp: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: slli a0, a0, 58 |
| ; RV64I-NEXT: srli a0, a0, 63 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bexti_i32_cmp: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bexti a0, a0, 5 |
| ; RV64ZBS-NEXT: ret |
| %and = and i32 %a, 32 |
| %cmp = icmp ne i32 %and, 0 |
| %zext = zext i1 %cmp to i32 |
| ret i32 %zext |
| } |
| |
| define i64 @bexti_i64_cmp(i64 %a) nounwind { |
| ; RV64I-LABEL: bexti_i64_cmp: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: slli a0, a0, 58 |
| ; RV64I-NEXT: srli a0, a0, 63 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bexti_i64_cmp: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bexti a0, a0, 5 |
| ; RV64ZBS-NEXT: ret |
| %and = and i64 %a, 32 |
| %cmp = icmp ne i64 %and, 0 |
| %zext = zext i1 %cmp to i64 |
| ret i64 %zext |
| } |
| |
| define signext i32 @bclri_i32_10(i32 signext %a) nounwind { |
| ; CHECK-LABEL: bclri_i32_10: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: andi a0, a0, -1025 |
| ; CHECK-NEXT: ret |
| %and = and i32 %a, -1025 |
| ret i32 %and |
| } |
| |
| define signext i32 @bclri_i32_11(i32 signext %a) nounwind { |
| ; RV64I-LABEL: bclri_i32_11: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: lui a1, 1048575 |
| ; RV64I-NEXT: addiw a1, a1, 2047 |
| ; RV64I-NEXT: and a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bclri_i32_11: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bclri a0, a0, 11 |
| ; RV64ZBS-NEXT: ret |
| %and = and i32 %a, -2049 |
| ret i32 %and |
| } |
| |
| define signext i32 @bclri_i32_30(i32 signext %a) nounwind { |
| ; RV64I-LABEL: bclri_i32_30: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: lui a1, 786432 |
| ; RV64I-NEXT: addiw a1, a1, -1 |
| ; RV64I-NEXT: and a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bclri_i32_30: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bclri a0, a0, 30 |
| ; RV64ZBS-NEXT: ret |
| %and = and i32 %a, -1073741825 |
| ret i32 %and |
| } |
| |
| define signext i32 @bclri_i32_31(i32 signext %a) nounwind { |
| ; CHECK-LABEL: bclri_i32_31: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: slli a0, a0, 33 |
| ; CHECK-NEXT: srli a0, a0, 33 |
| ; CHECK-NEXT: ret |
| %and = and i32 %a, -2147483649 |
| ret i32 %and |
| } |
| |
| define i64 @bclri_i64_10(i64 %a) nounwind { |
| ; CHECK-LABEL: bclri_i64_10: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: andi a0, a0, -1025 |
| ; CHECK-NEXT: ret |
| %and = and i64 %a, -1025 |
| ret i64 %and |
| } |
| |
| define i64 @bclri_i64_11(i64 %a) nounwind { |
| ; RV64I-LABEL: bclri_i64_11: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: lui a1, 1048575 |
| ; RV64I-NEXT: addiw a1, a1, 2047 |
| ; RV64I-NEXT: and a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bclri_i64_11: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bclri a0, a0, 11 |
| ; RV64ZBS-NEXT: ret |
| %and = and i64 %a, -2049 |
| ret i64 %and |
| } |
| |
| define i64 @bclri_i64_30(i64 %a) nounwind { |
| ; RV64I-LABEL: bclri_i64_30: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: lui a1, 786432 |
| ; RV64I-NEXT: addiw a1, a1, -1 |
| ; RV64I-NEXT: and a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bclri_i64_30: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bclri a0, a0, 30 |
| ; RV64ZBS-NEXT: ret |
| %and = and i64 %a, -1073741825 |
| ret i64 %and |
| } |
| |
| define i64 @bclri_i64_31(i64 %a) nounwind { |
| ; RV64I-LABEL: bclri_i64_31: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: lui a1, 524288 |
| ; RV64I-NEXT: addi a1, a1, -1 |
| ; RV64I-NEXT: and a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bclri_i64_31: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bclri a0, a0, 31 |
| ; RV64ZBS-NEXT: ret |
| %and = and i64 %a, -2147483649 |
| ret i64 %and |
| } |
| |
| define i64 @bclri_i64_62(i64 %a) nounwind { |
| ; RV64I-LABEL: bclri_i64_62: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a1, -1 |
| ; RV64I-NEXT: slli a1, a1, 62 |
| ; RV64I-NEXT: addi a1, a1, -1 |
| ; RV64I-NEXT: and a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bclri_i64_62: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bclri a0, a0, 62 |
| ; RV64ZBS-NEXT: ret |
| %and = and i64 %a, -4611686018427387905 |
| ret i64 %and |
| } |
| |
| define i64 @bclri_i64_63(i64 %a) nounwind { |
| ; RV64I-LABEL: bclri_i64_63: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: slli a0, a0, 1 |
| ; RV64I-NEXT: srli a0, a0, 1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bclri_i64_63: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bclri a0, a0, 63 |
| ; RV64ZBS-NEXT: ret |
| %and = and i64 %a, -9223372036854775809 |
| ret i64 %and |
| } |
| |
| define i64 @bclri_i64_large0(i64 %a) nounwind { |
| ; RV64I-LABEL: bclri_i64_large0: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: lui a1, 1044480 |
| ; RV64I-NEXT: addiw a1, a1, -256 |
| ; RV64I-NEXT: and a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bclri_i64_large0: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: andi a0, a0, -256 |
| ; RV64ZBS-NEXT: bclri a0, a0, 24 |
| ; RV64ZBS-NEXT: ret |
| %and = and i64 %a, -16777472 |
| ret i64 %and |
| } |
| |
| define i64 @bclri_i64_large1(i64 %a) nounwind { |
| ; RV64I-LABEL: bclri_i64_large1: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: lui a1, 1044464 |
| ; RV64I-NEXT: addiw a1, a1, -1 |
| ; RV64I-NEXT: and a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bclri_i64_large1: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bclri a0, a0, 16 |
| ; RV64ZBS-NEXT: bclri a0, a0, 24 |
| ; RV64ZBS-NEXT: ret |
| %and = and i64 %a, -16842753 |
| ret i64 %and |
| } |
| |
| define signext i32 @bseti_i32_10(i32 signext %a) nounwind { |
| ; CHECK-LABEL: bseti_i32_10: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: ori a0, a0, 1024 |
| ; CHECK-NEXT: ret |
| %or = or i32 %a, 1024 |
| ret i32 %or |
| } |
| |
| define signext i32 @bseti_i32_11(i32 signext %a) nounwind { |
| ; RV64I-LABEL: bseti_i32_11: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a1, 1 |
| ; RV64I-NEXT: slli a1, a1, 11 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bseti_i32_11: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bseti a0, a0, 11 |
| ; RV64ZBS-NEXT: ret |
| %or = or i32 %a, 2048 |
| ret i32 %or |
| } |
| |
| define signext i32 @bseti_i32_30(i32 signext %a) nounwind { |
| ; RV64I-LABEL: bseti_i32_30: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: lui a1, 262144 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bseti_i32_30: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bseti a0, a0, 30 |
| ; RV64ZBS-NEXT: ret |
| %or = or i32 %a, 1073741824 |
| ret i32 %or |
| } |
| |
| define signext i32 @bseti_i32_31(i32 signext %a) nounwind { |
| ; CHECK-LABEL: bseti_i32_31: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: lui a1, 524288 |
| ; CHECK-NEXT: or a0, a0, a1 |
| ; CHECK-NEXT: ret |
| %or = or i32 %a, 2147483648 |
| ret i32 %or |
| } |
| |
| define i64 @bseti_i64_10(i64 %a) nounwind { |
| ; CHECK-LABEL: bseti_i64_10: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: ori a0, a0, 1024 |
| ; CHECK-NEXT: ret |
| %or = or i64 %a, 1024 |
| ret i64 %or |
| } |
| |
| define i64 @bseti_i64_11(i64 %a) nounwind { |
| ; RV64I-LABEL: bseti_i64_11: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a1, 1 |
| ; RV64I-NEXT: slli a1, a1, 11 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bseti_i64_11: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bseti a0, a0, 11 |
| ; RV64ZBS-NEXT: ret |
| %or = or i64 %a, 2048 |
| ret i64 %or |
| } |
| |
| define i64 @bseti_i64_30(i64 %a) nounwind { |
| ; RV64I-LABEL: bseti_i64_30: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: lui a1, 262144 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bseti_i64_30: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bseti a0, a0, 30 |
| ; RV64ZBS-NEXT: ret |
| %or = or i64 %a, 1073741824 |
| ret i64 %or |
| } |
| |
| define i64 @bseti_i64_31(i64 %a) nounwind { |
| ; RV64I-LABEL: bseti_i64_31: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a1, 1 |
| ; RV64I-NEXT: slli a1, a1, 31 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bseti_i64_31: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bseti a0, a0, 31 |
| ; RV64ZBS-NEXT: ret |
| %or = or i64 %a, 2147483648 |
| ret i64 %or |
| } |
| |
| define i64 @bseti_i64_62(i64 %a) nounwind { |
| ; RV64I-LABEL: bseti_i64_62: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a1, 1 |
| ; RV64I-NEXT: slli a1, a1, 62 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bseti_i64_62: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bseti a0, a0, 62 |
| ; RV64ZBS-NEXT: ret |
| %or = or i64 %a, 4611686018427387904 |
| ret i64 %or |
| } |
| |
| define i64 @bseti_i64_63(i64 %a) nounwind { |
| ; RV64I-LABEL: bseti_i64_63: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a1, -1 |
| ; RV64I-NEXT: slli a1, a1, 63 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bseti_i64_63: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bseti a0, a0, 63 |
| ; RV64ZBS-NEXT: ret |
| %or = or i64 %a, 9223372036854775808 |
| ret i64 %or |
| } |
| |
| define signext i32 @binvi_i32_10(i32 signext %a) nounwind { |
| ; CHECK-LABEL: binvi_i32_10: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xori a0, a0, 1024 |
| ; CHECK-NEXT: ret |
| %xor = xor i32 %a, 1024 |
| ret i32 %xor |
| } |
| |
| define signext i32 @binvi_i32_11(i32 signext %a) nounwind { |
| ; RV64I-LABEL: binvi_i32_11: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a1, 1 |
| ; RV64I-NEXT: slli a1, a1, 11 |
| ; RV64I-NEXT: xor a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: binvi_i32_11: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: binvi a0, a0, 11 |
| ; RV64ZBS-NEXT: ret |
| %xor = xor i32 %a, 2048 |
| ret i32 %xor |
| } |
| |
| define signext i32 @binvi_i32_30(i32 signext %a) nounwind { |
| ; RV64I-LABEL: binvi_i32_30: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: lui a1, 262144 |
| ; RV64I-NEXT: xor a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: binvi_i32_30: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: binvi a0, a0, 30 |
| ; RV64ZBS-NEXT: ret |
| %xor = xor i32 %a, 1073741824 |
| ret i32 %xor |
| } |
| |
| define signext i32 @binvi_i32_31(i32 signext %a) nounwind { |
| ; CHECK-LABEL: binvi_i32_31: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: lui a1, 524288 |
| ; CHECK-NEXT: xor a0, a0, a1 |
| ; CHECK-NEXT: ret |
| %xor = xor i32 %a, 2147483648 |
| ret i32 %xor |
| } |
| |
| define i64 @binvi_i64_10(i64 %a) nounwind { |
| ; CHECK-LABEL: binvi_i64_10: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xori a0, a0, 1024 |
| ; CHECK-NEXT: ret |
| %xor = xor i64 %a, 1024 |
| ret i64 %xor |
| } |
| |
| define i64 @binvi_i64_11(i64 %a) nounwind { |
| ; RV64I-LABEL: binvi_i64_11: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a1, 1 |
| ; RV64I-NEXT: slli a1, a1, 11 |
| ; RV64I-NEXT: xor a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: binvi_i64_11: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: binvi a0, a0, 11 |
| ; RV64ZBS-NEXT: ret |
| %xor = xor i64 %a, 2048 |
| ret i64 %xor |
| } |
| |
| define i64 @binvi_i64_30(i64 %a) nounwind { |
| ; RV64I-LABEL: binvi_i64_30: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: lui a1, 262144 |
| ; RV64I-NEXT: xor a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: binvi_i64_30: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: binvi a0, a0, 30 |
| ; RV64ZBS-NEXT: ret |
| %xor = xor i64 %a, 1073741824 |
| ret i64 %xor |
| } |
| |
| define i64 @binvi_i64_31(i64 %a) nounwind { |
| ; RV64I-LABEL: binvi_i64_31: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a1, 1 |
| ; RV64I-NEXT: slli a1, a1, 31 |
| ; RV64I-NEXT: xor a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: binvi_i64_31: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: binvi a0, a0, 31 |
| ; RV64ZBS-NEXT: ret |
| %xor = xor i64 %a, 2147483648 |
| ret i64 %xor |
| } |
| |
| define i64 @binvi_i64_62(i64 %a) nounwind { |
| ; RV64I-LABEL: binvi_i64_62: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a1, 1 |
| ; RV64I-NEXT: slli a1, a1, 62 |
| ; RV64I-NEXT: xor a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: binvi_i64_62: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: binvi a0, a0, 62 |
| ; RV64ZBS-NEXT: ret |
| %xor = xor i64 %a, 4611686018427387904 |
| ret i64 %xor |
| } |
| |
| define i64 @binvi_i64_63(i64 %a) nounwind { |
| ; RV64I-LABEL: binvi_i64_63: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a1, -1 |
| ; RV64I-NEXT: slli a1, a1, 63 |
| ; RV64I-NEXT: xor a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: binvi_i64_63: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: binvi a0, a0, 63 |
| ; RV64ZBS-NEXT: ret |
| %xor = xor i64 %a, 9223372036854775808 |
| ret i64 %xor |
| } |
| |
| define i64 @xor_i64_large(i64 %a) nounwind { |
| ; RV64I-LABEL: xor_i64_large: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a1, 1 |
| ; RV64I-NEXT: slli a1, a1, 32 |
| ; RV64I-NEXT: addi a1, a1, 1 |
| ; RV64I-NEXT: xor a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: xor_i64_large: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: binvi a0, a0, 0 |
| ; RV64ZBS-NEXT: binvi a0, a0, 32 |
| ; RV64ZBS-NEXT: ret |
| %xor = xor i64 %a, 4294967297 |
| ret i64 %xor |
| } |
| |
| define i64 @xor_i64_4099(i64 %a) nounwind { |
| ; RV64I-LABEL: xor_i64_4099: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: lui a1, 1 |
| ; RV64I-NEXT: addiw a1, a1, 3 |
| ; RV64I-NEXT: xor a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: xor_i64_4099: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: xori a0, a0, 3 |
| ; RV64ZBS-NEXT: binvi a0, a0, 12 |
| ; RV64ZBS-NEXT: ret |
| %xor = xor i64 %a, 4099 |
| ret i64 %xor |
| } |
| |
| define i64 @xor_i64_96(i64 %a) nounwind { |
| ; CHECK-LABEL: xor_i64_96: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xori a0, a0, 96 |
| ; CHECK-NEXT: ret |
| %xor = xor i64 %a, 96 |
| ret i64 %xor |
| } |
| |
| define i64 @or_i64_large(i64 %a) nounwind { |
| ; RV64I-LABEL: or_i64_large: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a1, 1 |
| ; RV64I-NEXT: slli a1, a1, 32 |
| ; RV64I-NEXT: addi a1, a1, 1 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: or_i64_large: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bseti a0, a0, 0 |
| ; RV64ZBS-NEXT: bseti a0, a0, 32 |
| ; RV64ZBS-NEXT: ret |
| %or = or i64 %a, 4294967297 |
| ret i64 %or |
| } |
| |
| define i64 @xor_i64_66901(i64 %a) nounwind { |
| ; RV64I-LABEL: xor_i64_66901: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: lui a1, 16 |
| ; RV64I-NEXT: addiw a1, a1, 1365 |
| ; RV64I-NEXT: xor a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: xor_i64_66901: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: xori a0, a0, 1365 |
| ; RV64ZBS-NEXT: binvi a0, a0, 16 |
| ; RV64ZBS-NEXT: ret |
| %xor = xor i64 %a, 66901 |
| ret i64 %xor |
| } |
| |
| define i64 @or_i64_4099(i64 %a) nounwind { |
| ; RV64I-LABEL: or_i64_4099: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: lui a1, 1 |
| ; RV64I-NEXT: addiw a1, a1, 3 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: or_i64_4099: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: ori a0, a0, 3 |
| ; RV64ZBS-NEXT: bseti a0, a0, 12 |
| ; RV64ZBS-NEXT: ret |
| %or = or i64 %a, 4099 |
| ret i64 %or |
| } |
| |
| define i64 @or_i64_96(i64 %a) nounwind { |
| ; CHECK-LABEL: or_i64_96: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: ori a0, a0, 96 |
| ; CHECK-NEXT: ret |
| %or = or i64 %a, 96 |
| ret i64 %or |
| } |
| |
| define i64 @or_i64_66901(i64 %a) nounwind { |
| ; RV64I-LABEL: or_i64_66901: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: lui a1, 16 |
| ; RV64I-NEXT: addiw a1, a1, 1365 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: or_i64_66901: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: ori a0, a0, 1365 |
| ; RV64ZBS-NEXT: bseti a0, a0, 16 |
| ; RV64ZBS-NEXT: ret |
| %or = or i64 %a, 66901 |
| ret i64 %or |
| } |
| |
| define signext i32 @bset_trailing_ones_i32_mask(i32 signext %a) nounwind { |
| ; RV64I-LABEL: bset_trailing_ones_i32_mask: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a1, -1 |
| ; RV64I-NEXT: sllw a0, a1, a0 |
| ; RV64I-NEXT: not a0, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bset_trailing_ones_i32_mask: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: andi a0, a0, 31 |
| ; RV64ZBS-NEXT: bset a0, zero, a0 |
| ; RV64ZBS-NEXT: addi a0, a0, -1 |
| ; RV64ZBS-NEXT: ret |
| %and = and i32 %a, 31 |
| %shift = shl nsw i32 -1, %and |
| %not = xor i32 %shift, -1 |
| ret i32 %not |
| } |
| |
| define signext i32 @bset_trailing_ones_i32_no_mask(i32 signext %a) nounwind { |
| ; RV64I-LABEL: bset_trailing_ones_i32_no_mask: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a1, -1 |
| ; RV64I-NEXT: sllw a0, a1, a0 |
| ; RV64I-NEXT: not a0, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bset_trailing_ones_i32_no_mask: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bset a0, zero, a0 |
| ; RV64ZBS-NEXT: addiw a0, a0, -1 |
| ; RV64ZBS-NEXT: ret |
| %shift = shl nsw i32 -1, %a |
| %not = xor i32 %shift, -1 |
| ret i32 %not |
| } |
| |
| define signext i64 @bset_trailing_ones_i64_mask(i64 signext %a) nounwind { |
| ; RV64I-LABEL: bset_trailing_ones_i64_mask: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a1, -1 |
| ; RV64I-NEXT: sll a0, a1, a0 |
| ; RV64I-NEXT: not a0, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bset_trailing_ones_i64_mask: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bset a0, zero, a0 |
| ; RV64ZBS-NEXT: addi a0, a0, -1 |
| ; RV64ZBS-NEXT: ret |
| %and = and i64 %a, 63 |
| %shift = shl nsw i64 -1, %and |
| %not = xor i64 %shift, -1 |
| ret i64 %not |
| } |
| |
| define signext i64 @bset_trailing_ones_i64_no_mask(i64 signext %a) nounwind { |
| ; RV64I-LABEL: bset_trailing_ones_i64_no_mask: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: li a1, -1 |
| ; RV64I-NEXT: sll a0, a1, a0 |
| ; RV64I-NEXT: not a0, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64ZBS-LABEL: bset_trailing_ones_i64_no_mask: |
| ; RV64ZBS: # %bb.0: |
| ; RV64ZBS-NEXT: bset a0, zero, a0 |
| ; RV64ZBS-NEXT: addi a0, a0, -1 |
| ; RV64ZBS-NEXT: ret |
| %shift = shl nsw i64 -1, %a |
| %not = xor i64 %shift, -1 |
| ret i64 %not |
| } |
