946 lines
26 KiB
LLVM
946 lines
26 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \
|
|
; RUN: | FileCheck %s -check-prefix=RV64I
|
|
; RUN: llc -mtriple=riscv64 -mattr=+experimental-b -verify-machineinstrs < %s \
|
|
; RUN: | FileCheck %s -check-prefix=RV64IB
|
|
; RUN: llc -mtriple=riscv64 -mattr=+experimental-zbb -verify-machineinstrs < %s \
|
|
; RUN: | FileCheck %s -check-prefix=RV64IBB
|
|
|
|
declare i32 @llvm.ctlz.i32(i32, i1)
|
|
|
|
define signext i32 @ctlz_i32(i32 signext %a) nounwind {
|
|
; RV64I-LABEL: ctlz_i32:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: addi sp, sp, -16
|
|
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
|
|
; RV64I-NEXT: beqz a0, .LBB0_2
|
|
; RV64I-NEXT: # %bb.1: # %cond.false
|
|
; RV64I-NEXT: srliw a1, a0, 1
|
|
; RV64I-NEXT: slli a0, a0, 32
|
|
; RV64I-NEXT: srli a0, a0, 32
|
|
; RV64I-NEXT: or a0, a0, a1
|
|
; RV64I-NEXT: srli a1, a0, 2
|
|
; RV64I-NEXT: or a0, a0, a1
|
|
; RV64I-NEXT: srli a1, a0, 4
|
|
; RV64I-NEXT: or a0, a0, a1
|
|
; RV64I-NEXT: srli a1, a0, 8
|
|
; RV64I-NEXT: or a0, a0, a1
|
|
; RV64I-NEXT: srli a1, a0, 16
|
|
; RV64I-NEXT: or a0, a0, a1
|
|
; RV64I-NEXT: srli a1, a0, 32
|
|
; RV64I-NEXT: or a0, a0, a1
|
|
; RV64I-NEXT: not a0, a0
|
|
; RV64I-NEXT: srli a1, a0, 1
|
|
; RV64I-NEXT: lui a2, 21845
|
|
; RV64I-NEXT: addiw a2, a2, 1365
|
|
; RV64I-NEXT: slli a2, a2, 12
|
|
; RV64I-NEXT: addi a2, a2, 1365
|
|
; RV64I-NEXT: slli a2, a2, 12
|
|
; RV64I-NEXT: addi a2, a2, 1365
|
|
; RV64I-NEXT: slli a2, a2, 12
|
|
; RV64I-NEXT: addi a2, a2, 1365
|
|
; RV64I-NEXT: and a1, a1, a2
|
|
; RV64I-NEXT: sub a0, a0, a1
|
|
; RV64I-NEXT: lui a1, 13107
|
|
; RV64I-NEXT: addiw a1, a1, 819
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 819
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 819
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 819
|
|
; RV64I-NEXT: and a2, a0, a1
|
|
; RV64I-NEXT: srli a0, a0, 2
|
|
; RV64I-NEXT: and a0, a0, a1
|
|
; RV64I-NEXT: add a0, a2, a0
|
|
; RV64I-NEXT: srli a1, a0, 4
|
|
; RV64I-NEXT: add a0, a0, a1
|
|
; RV64I-NEXT: lui a1, 3855
|
|
; RV64I-NEXT: addiw a1, a1, 241
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, -241
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 241
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, -241
|
|
; RV64I-NEXT: and a0, a0, a1
|
|
; RV64I-NEXT: lui a1, 4112
|
|
; RV64I-NEXT: addiw a1, a1, 257
|
|
; RV64I-NEXT: slli a1, a1, 16
|
|
; RV64I-NEXT: addi a1, a1, 257
|
|
; RV64I-NEXT: slli a1, a1, 16
|
|
; RV64I-NEXT: addi a1, a1, 257
|
|
; RV64I-NEXT: call __muldi3@plt
|
|
; RV64I-NEXT: srli a0, a0, 56
|
|
; RV64I-NEXT: addi a0, a0, -32
|
|
; RV64I-NEXT: j .LBB0_3
|
|
; RV64I-NEXT: .LBB0_2:
|
|
; RV64I-NEXT: addi a0, zero, 32
|
|
; RV64I-NEXT: .LBB0_3: # %cond.end
|
|
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
|
|
; RV64I-NEXT: addi sp, sp, 16
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: ctlz_i32:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: clzw a0, a0
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: ctlz_i32:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: clzw a0, a0
|
|
; RV64IBB-NEXT: ret
|
|
%1 = call i32 @llvm.ctlz.i32(i32 %a, i1 false)
|
|
ret i32 %1
|
|
}
|
|
|
|
declare i64 @llvm.ctlz.i64(i64, i1)
|
|
|
|
define i64 @ctlz_i64(i64 %a) nounwind {
|
|
; RV64I-LABEL: ctlz_i64:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: addi sp, sp, -16
|
|
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
|
|
; RV64I-NEXT: beqz a0, .LBB1_2
|
|
; RV64I-NEXT: # %bb.1: # %cond.false
|
|
; RV64I-NEXT: srli a1, a0, 1
|
|
; RV64I-NEXT: or a0, a0, a1
|
|
; RV64I-NEXT: srli a1, a0, 2
|
|
; RV64I-NEXT: or a0, a0, a1
|
|
; RV64I-NEXT: srli a1, a0, 4
|
|
; RV64I-NEXT: or a0, a0, a1
|
|
; RV64I-NEXT: srli a1, a0, 8
|
|
; RV64I-NEXT: or a0, a0, a1
|
|
; RV64I-NEXT: srli a1, a0, 16
|
|
; RV64I-NEXT: or a0, a0, a1
|
|
; RV64I-NEXT: srli a1, a0, 32
|
|
; RV64I-NEXT: or a0, a0, a1
|
|
; RV64I-NEXT: not a0, a0
|
|
; RV64I-NEXT: srli a1, a0, 1
|
|
; RV64I-NEXT: lui a2, 21845
|
|
; RV64I-NEXT: addiw a2, a2, 1365
|
|
; RV64I-NEXT: slli a2, a2, 12
|
|
; RV64I-NEXT: addi a2, a2, 1365
|
|
; RV64I-NEXT: slli a2, a2, 12
|
|
; RV64I-NEXT: addi a2, a2, 1365
|
|
; RV64I-NEXT: slli a2, a2, 12
|
|
; RV64I-NEXT: addi a2, a2, 1365
|
|
; RV64I-NEXT: and a1, a1, a2
|
|
; RV64I-NEXT: sub a0, a0, a1
|
|
; RV64I-NEXT: lui a1, 13107
|
|
; RV64I-NEXT: addiw a1, a1, 819
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 819
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 819
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 819
|
|
; RV64I-NEXT: and a2, a0, a1
|
|
; RV64I-NEXT: srli a0, a0, 2
|
|
; RV64I-NEXT: and a0, a0, a1
|
|
; RV64I-NEXT: add a0, a2, a0
|
|
; RV64I-NEXT: srli a1, a0, 4
|
|
; RV64I-NEXT: add a0, a0, a1
|
|
; RV64I-NEXT: lui a1, 3855
|
|
; RV64I-NEXT: addiw a1, a1, 241
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, -241
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 241
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, -241
|
|
; RV64I-NEXT: and a0, a0, a1
|
|
; RV64I-NEXT: lui a1, 4112
|
|
; RV64I-NEXT: addiw a1, a1, 257
|
|
; RV64I-NEXT: slli a1, a1, 16
|
|
; RV64I-NEXT: addi a1, a1, 257
|
|
; RV64I-NEXT: slli a1, a1, 16
|
|
; RV64I-NEXT: addi a1, a1, 257
|
|
; RV64I-NEXT: call __muldi3@plt
|
|
; RV64I-NEXT: srli a0, a0, 56
|
|
; RV64I-NEXT: j .LBB1_3
|
|
; RV64I-NEXT: .LBB1_2:
|
|
; RV64I-NEXT: addi a0, zero, 64
|
|
; RV64I-NEXT: .LBB1_3: # %cond.end
|
|
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
|
|
; RV64I-NEXT: addi sp, sp, 16
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: ctlz_i64:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: clz a0, a0
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: ctlz_i64:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: clz a0, a0
|
|
; RV64IBB-NEXT: ret
|
|
%1 = call i64 @llvm.ctlz.i64(i64 %a, i1 false)
|
|
ret i64 %1
|
|
}
|
|
|
|
declare i32 @llvm.cttz.i32(i32, i1)
|
|
|
|
define signext i32 @cttz_i32(i32 signext %a) nounwind {
|
|
; RV64I-LABEL: cttz_i32:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: addi sp, sp, -16
|
|
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
|
|
; RV64I-NEXT: beqz a0, .LBB2_2
|
|
; RV64I-NEXT: # %bb.1: # %cond.false
|
|
; RV64I-NEXT: addi a1, a0, -1
|
|
; RV64I-NEXT: not a0, a0
|
|
; RV64I-NEXT: and a0, a0, a1
|
|
; RV64I-NEXT: srli a1, a0, 1
|
|
; RV64I-NEXT: lui a2, 21845
|
|
; RV64I-NEXT: addiw a2, a2, 1365
|
|
; RV64I-NEXT: slli a2, a2, 12
|
|
; RV64I-NEXT: addi a2, a2, 1365
|
|
; RV64I-NEXT: slli a2, a2, 12
|
|
; RV64I-NEXT: addi a2, a2, 1365
|
|
; RV64I-NEXT: slli a2, a2, 12
|
|
; RV64I-NEXT: addi a2, a2, 1365
|
|
; RV64I-NEXT: and a1, a1, a2
|
|
; RV64I-NEXT: sub a0, a0, a1
|
|
; RV64I-NEXT: lui a1, 13107
|
|
; RV64I-NEXT: addiw a1, a1, 819
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 819
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 819
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 819
|
|
; RV64I-NEXT: and a2, a0, a1
|
|
; RV64I-NEXT: srli a0, a0, 2
|
|
; RV64I-NEXT: and a0, a0, a1
|
|
; RV64I-NEXT: add a0, a2, a0
|
|
; RV64I-NEXT: srli a1, a0, 4
|
|
; RV64I-NEXT: add a0, a0, a1
|
|
; RV64I-NEXT: lui a1, 3855
|
|
; RV64I-NEXT: addiw a1, a1, 241
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, -241
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 241
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, -241
|
|
; RV64I-NEXT: and a0, a0, a1
|
|
; RV64I-NEXT: lui a1, 4112
|
|
; RV64I-NEXT: addiw a1, a1, 257
|
|
; RV64I-NEXT: slli a1, a1, 16
|
|
; RV64I-NEXT: addi a1, a1, 257
|
|
; RV64I-NEXT: slli a1, a1, 16
|
|
; RV64I-NEXT: addi a1, a1, 257
|
|
; RV64I-NEXT: call __muldi3@plt
|
|
; RV64I-NEXT: srli a0, a0, 56
|
|
; RV64I-NEXT: j .LBB2_3
|
|
; RV64I-NEXT: .LBB2_2:
|
|
; RV64I-NEXT: addi a0, zero, 32
|
|
; RV64I-NEXT: .LBB2_3: # %cond.end
|
|
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
|
|
; RV64I-NEXT: addi sp, sp, 16
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: cttz_i32:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: ctzw a0, a0
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: cttz_i32:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: ctzw a0, a0
|
|
; RV64IBB-NEXT: ret
|
|
%1 = call i32 @llvm.cttz.i32(i32 %a, i1 false)
|
|
ret i32 %1
|
|
}
|
|
|
|
declare i64 @llvm.cttz.i64(i64, i1)
|
|
|
|
define i64 @cttz_i64(i64 %a) nounwind {
|
|
; RV64I-LABEL: cttz_i64:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: addi sp, sp, -16
|
|
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
|
|
; RV64I-NEXT: beqz a0, .LBB3_2
|
|
; RV64I-NEXT: # %bb.1: # %cond.false
|
|
; RV64I-NEXT: addi a1, a0, -1
|
|
; RV64I-NEXT: not a0, a0
|
|
; RV64I-NEXT: and a0, a0, a1
|
|
; RV64I-NEXT: srli a1, a0, 1
|
|
; RV64I-NEXT: lui a2, 21845
|
|
; RV64I-NEXT: addiw a2, a2, 1365
|
|
; RV64I-NEXT: slli a2, a2, 12
|
|
; RV64I-NEXT: addi a2, a2, 1365
|
|
; RV64I-NEXT: slli a2, a2, 12
|
|
; RV64I-NEXT: addi a2, a2, 1365
|
|
; RV64I-NEXT: slli a2, a2, 12
|
|
; RV64I-NEXT: addi a2, a2, 1365
|
|
; RV64I-NEXT: and a1, a1, a2
|
|
; RV64I-NEXT: sub a0, a0, a1
|
|
; RV64I-NEXT: lui a1, 13107
|
|
; RV64I-NEXT: addiw a1, a1, 819
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 819
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 819
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 819
|
|
; RV64I-NEXT: and a2, a0, a1
|
|
; RV64I-NEXT: srli a0, a0, 2
|
|
; RV64I-NEXT: and a0, a0, a1
|
|
; RV64I-NEXT: add a0, a2, a0
|
|
; RV64I-NEXT: srli a1, a0, 4
|
|
; RV64I-NEXT: add a0, a0, a1
|
|
; RV64I-NEXT: lui a1, 3855
|
|
; RV64I-NEXT: addiw a1, a1, 241
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, -241
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 241
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, -241
|
|
; RV64I-NEXT: and a0, a0, a1
|
|
; RV64I-NEXT: lui a1, 4112
|
|
; RV64I-NEXT: addiw a1, a1, 257
|
|
; RV64I-NEXT: slli a1, a1, 16
|
|
; RV64I-NEXT: addi a1, a1, 257
|
|
; RV64I-NEXT: slli a1, a1, 16
|
|
; RV64I-NEXT: addi a1, a1, 257
|
|
; RV64I-NEXT: call __muldi3@plt
|
|
; RV64I-NEXT: srli a0, a0, 56
|
|
; RV64I-NEXT: j .LBB3_3
|
|
; RV64I-NEXT: .LBB3_2:
|
|
; RV64I-NEXT: addi a0, zero, 64
|
|
; RV64I-NEXT: .LBB3_3: # %cond.end
|
|
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
|
|
; RV64I-NEXT: addi sp, sp, 16
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: cttz_i64:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: ctz a0, a0
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: cttz_i64:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: ctz a0, a0
|
|
; RV64IBB-NEXT: ret
|
|
%1 = call i64 @llvm.cttz.i64(i64 %a, i1 false)
|
|
ret i64 %1
|
|
}
|
|
|
|
declare i32 @llvm.ctpop.i32(i32)
|
|
|
|
define signext i32 @ctpop_i32(i32 signext %a) nounwind {
|
|
; RV64I-LABEL: ctpop_i32:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: addi sp, sp, -16
|
|
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
|
|
; RV64I-NEXT: slli a1, a0, 32
|
|
; RV64I-NEXT: srli a1, a1, 32
|
|
; RV64I-NEXT: srliw a0, a0, 1
|
|
; RV64I-NEXT: lui a2, 349525
|
|
; RV64I-NEXT: addiw a2, a2, 1365
|
|
; RV64I-NEXT: and a0, a0, a2
|
|
; RV64I-NEXT: sub a0, a1, a0
|
|
; RV64I-NEXT: srli a1, a0, 2
|
|
; RV64I-NEXT: lui a2, 13107
|
|
; RV64I-NEXT: addiw a2, a2, 819
|
|
; RV64I-NEXT: slli a2, a2, 12
|
|
; RV64I-NEXT: addi a2, a2, 819
|
|
; RV64I-NEXT: slli a2, a2, 12
|
|
; RV64I-NEXT: addi a2, a2, 819
|
|
; RV64I-NEXT: slli a2, a2, 12
|
|
; RV64I-NEXT: addi a2, a2, 819
|
|
; RV64I-NEXT: and a1, a1, a2
|
|
; RV64I-NEXT: and a0, a0, a2
|
|
; RV64I-NEXT: add a0, a0, a1
|
|
; RV64I-NEXT: srli a1, a0, 4
|
|
; RV64I-NEXT: add a0, a0, a1
|
|
; RV64I-NEXT: lui a1, 3855
|
|
; RV64I-NEXT: addiw a1, a1, 241
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, -241
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 241
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, -241
|
|
; RV64I-NEXT: and a0, a0, a1
|
|
; RV64I-NEXT: lui a1, 4112
|
|
; RV64I-NEXT: addiw a1, a1, 257
|
|
; RV64I-NEXT: slli a1, a1, 16
|
|
; RV64I-NEXT: addi a1, a1, 257
|
|
; RV64I-NEXT: slli a1, a1, 16
|
|
; RV64I-NEXT: addi a1, a1, 257
|
|
; RV64I-NEXT: call __muldi3@plt
|
|
; RV64I-NEXT: srli a0, a0, 56
|
|
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
|
|
; RV64I-NEXT: addi sp, sp, 16
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: ctpop_i32:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: cpopw a0, a0
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: ctpop_i32:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: cpopw a0, a0
|
|
; RV64IBB-NEXT: ret
|
|
%1 = call i32 @llvm.ctpop.i32(i32 %a)
|
|
ret i32 %1
|
|
}
|
|
|
|
declare i64 @llvm.ctpop.i64(i64)
|
|
|
|
define i64 @ctpop_i64(i64 %a) nounwind {
|
|
; RV64I-LABEL: ctpop_i64:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: addi sp, sp, -16
|
|
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
|
|
; RV64I-NEXT: srli a1, a0, 1
|
|
; RV64I-NEXT: lui a2, 21845
|
|
; RV64I-NEXT: addiw a2, a2, 1365
|
|
; RV64I-NEXT: slli a2, a2, 12
|
|
; RV64I-NEXT: addi a2, a2, 1365
|
|
; RV64I-NEXT: slli a2, a2, 12
|
|
; RV64I-NEXT: addi a2, a2, 1365
|
|
; RV64I-NEXT: slli a2, a2, 12
|
|
; RV64I-NEXT: addi a2, a2, 1365
|
|
; RV64I-NEXT: and a1, a1, a2
|
|
; RV64I-NEXT: sub a0, a0, a1
|
|
; RV64I-NEXT: lui a1, 13107
|
|
; RV64I-NEXT: addiw a1, a1, 819
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 819
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 819
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 819
|
|
; RV64I-NEXT: and a2, a0, a1
|
|
; RV64I-NEXT: srli a0, a0, 2
|
|
; RV64I-NEXT: and a0, a0, a1
|
|
; RV64I-NEXT: add a0, a2, a0
|
|
; RV64I-NEXT: srli a1, a0, 4
|
|
; RV64I-NEXT: add a0, a0, a1
|
|
; RV64I-NEXT: lui a1, 3855
|
|
; RV64I-NEXT: addiw a1, a1, 241
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, -241
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, 241
|
|
; RV64I-NEXT: slli a1, a1, 12
|
|
; RV64I-NEXT: addi a1, a1, -241
|
|
; RV64I-NEXT: and a0, a0, a1
|
|
; RV64I-NEXT: lui a1, 4112
|
|
; RV64I-NEXT: addiw a1, a1, 257
|
|
; RV64I-NEXT: slli a1, a1, 16
|
|
; RV64I-NEXT: addi a1, a1, 257
|
|
; RV64I-NEXT: slli a1, a1, 16
|
|
; RV64I-NEXT: addi a1, a1, 257
|
|
; RV64I-NEXT: call __muldi3@plt
|
|
; RV64I-NEXT: srli a0, a0, 56
|
|
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
|
|
; RV64I-NEXT: addi sp, sp, 16
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: ctpop_i64:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: cpop a0, a0
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: ctpop_i64:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: cpop a0, a0
|
|
; RV64IBB-NEXT: ret
|
|
%1 = call i64 @llvm.ctpop.i64(i64 %a)
|
|
ret i64 %1
|
|
}
|
|
|
|
define signext i32 @sextb_i32(i32 signext %a) nounwind {
|
|
; RV64I-LABEL: sextb_i32:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: slli a0, a0, 56
|
|
; RV64I-NEXT: srai a0, a0, 56
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: sextb_i32:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: sext.b a0, a0
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: sextb_i32:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: sext.b a0, a0
|
|
; RV64IBB-NEXT: ret
|
|
%shl = shl i32 %a, 24
|
|
%shr = ashr exact i32 %shl, 24
|
|
ret i32 %shr
|
|
}
|
|
|
|
define i64 @sextb_i64(i64 %a) nounwind {
|
|
; RV64I-LABEL: sextb_i64:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: slli a0, a0, 56
|
|
; RV64I-NEXT: srai a0, a0, 56
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: sextb_i64:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: sext.b a0, a0
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: sextb_i64:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: sext.b a0, a0
|
|
; RV64IBB-NEXT: ret
|
|
%shl = shl i64 %a, 56
|
|
%shr = ashr exact i64 %shl, 56
|
|
ret i64 %shr
|
|
}
|
|
|
|
define signext i32 @sexth_i32(i32 signext %a) nounwind {
|
|
; RV64I-LABEL: sexth_i32:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: slli a0, a0, 48
|
|
; RV64I-NEXT: srai a0, a0, 48
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: sexth_i32:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: sext.h a0, a0
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: sexth_i32:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: sext.h a0, a0
|
|
; RV64IBB-NEXT: ret
|
|
%shl = shl i32 %a, 16
|
|
%shr = ashr exact i32 %shl, 16
|
|
ret i32 %shr
|
|
}
|
|
|
|
define i64 @sexth_i64(i64 %a) nounwind {
|
|
; RV64I-LABEL: sexth_i64:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: slli a0, a0, 48
|
|
; RV64I-NEXT: srai a0, a0, 48
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: sexth_i64:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: sext.h a0, a0
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: sexth_i64:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: sext.h a0, a0
|
|
; RV64IBB-NEXT: ret
|
|
%shl = shl i64 %a, 48
|
|
%shr = ashr exact i64 %shl, 48
|
|
ret i64 %shr
|
|
}
|
|
|
|
define signext i32 @min_i32(i32 signext %a, i32 signext %b) nounwind {
|
|
; RV64I-LABEL: min_i32:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: blt a0, a1, .LBB10_2
|
|
; RV64I-NEXT: # %bb.1:
|
|
; RV64I-NEXT: mv a0, a1
|
|
; RV64I-NEXT: .LBB10_2:
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: min_i32:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: min a0, a0, a1
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: min_i32:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: min a0, a0, a1
|
|
; RV64IBB-NEXT: ret
|
|
%cmp = icmp slt i32 %a, %b
|
|
%cond = select i1 %cmp, i32 %a, i32 %b
|
|
ret i32 %cond
|
|
}
|
|
|
|
define i64 @min_i64(i64 %a, i64 %b) nounwind {
|
|
; RV64I-LABEL: min_i64:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: blt a0, a1, .LBB11_2
|
|
; RV64I-NEXT: # %bb.1:
|
|
; RV64I-NEXT: mv a0, a1
|
|
; RV64I-NEXT: .LBB11_2:
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: min_i64:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: min a0, a0, a1
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: min_i64:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: min a0, a0, a1
|
|
; RV64IBB-NEXT: ret
|
|
%cmp = icmp slt i64 %a, %b
|
|
%cond = select i1 %cmp, i64 %a, i64 %b
|
|
ret i64 %cond
|
|
}
|
|
|
|
define signext i32 @max_i32(i32 signext %a, i32 signext %b) nounwind {
|
|
; RV64I-LABEL: max_i32:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: blt a1, a0, .LBB12_2
|
|
; RV64I-NEXT: # %bb.1:
|
|
; RV64I-NEXT: mv a0, a1
|
|
; RV64I-NEXT: .LBB12_2:
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: max_i32:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: max a0, a0, a1
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: max_i32:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: max a0, a0, a1
|
|
; RV64IBB-NEXT: ret
|
|
%cmp = icmp sgt i32 %a, %b
|
|
%cond = select i1 %cmp, i32 %a, i32 %b
|
|
ret i32 %cond
|
|
}
|
|
|
|
define i64 @max_i64(i64 %a, i64 %b) nounwind {
|
|
; RV64I-LABEL: max_i64:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: blt a1, a0, .LBB13_2
|
|
; RV64I-NEXT: # %bb.1:
|
|
; RV64I-NEXT: mv a0, a1
|
|
; RV64I-NEXT: .LBB13_2:
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: max_i64:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: max a0, a0, a1
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: max_i64:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: max a0, a0, a1
|
|
; RV64IBB-NEXT: ret
|
|
%cmp = icmp sgt i64 %a, %b
|
|
%cond = select i1 %cmp, i64 %a, i64 %b
|
|
ret i64 %cond
|
|
}
|
|
|
|
define signext i32 @minu_i32(i32 signext %a, i32 signext %b) nounwind {
|
|
; RV64I-LABEL: minu_i32:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: bltu a0, a1, .LBB14_2
|
|
; RV64I-NEXT: # %bb.1:
|
|
; RV64I-NEXT: mv a0, a1
|
|
; RV64I-NEXT: .LBB14_2:
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: minu_i32:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: minu a0, a0, a1
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: minu_i32:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: minu a0, a0, a1
|
|
; RV64IBB-NEXT: ret
|
|
%cmp = icmp ult i32 %a, %b
|
|
%cond = select i1 %cmp, i32 %a, i32 %b
|
|
ret i32 %cond
|
|
}
|
|
|
|
define i64 @minu_i64(i64 %a, i64 %b) nounwind {
|
|
; RV64I-LABEL: minu_i64:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: bltu a0, a1, .LBB15_2
|
|
; RV64I-NEXT: # %bb.1:
|
|
; RV64I-NEXT: mv a0, a1
|
|
; RV64I-NEXT: .LBB15_2:
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: minu_i64:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: minu a0, a0, a1
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: minu_i64:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: minu a0, a0, a1
|
|
; RV64IBB-NEXT: ret
|
|
%cmp = icmp ult i64 %a, %b
|
|
%cond = select i1 %cmp, i64 %a, i64 %b
|
|
ret i64 %cond
|
|
}
|
|
|
|
define signext i32 @maxu_i32(i32 signext %a, i32 signext %b) nounwind {
|
|
; RV64I-LABEL: maxu_i32:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: bltu a1, a0, .LBB16_2
|
|
; RV64I-NEXT: # %bb.1:
|
|
; RV64I-NEXT: mv a0, a1
|
|
; RV64I-NEXT: .LBB16_2:
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: maxu_i32:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: maxu a0, a0, a1
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: maxu_i32:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: maxu a0, a0, a1
|
|
; RV64IBB-NEXT: ret
|
|
%cmp = icmp ugt i32 %a, %b
|
|
%cond = select i1 %cmp, i32 %a, i32 %b
|
|
ret i32 %cond
|
|
}
|
|
|
|
define i64 @maxu_i64(i64 %a, i64 %b) nounwind {
|
|
; RV64I-LABEL: maxu_i64:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: bltu a1, a0, .LBB17_2
|
|
; RV64I-NEXT: # %bb.1:
|
|
; RV64I-NEXT: mv a0, a1
|
|
; RV64I-NEXT: .LBB17_2:
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: maxu_i64:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: maxu a0, a0, a1
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: maxu_i64:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: maxu a0, a0, a1
|
|
; RV64IBB-NEXT: ret
|
|
%cmp = icmp ugt i64 %a, %b
|
|
%cond = select i1 %cmp, i64 %a, i64 %b
|
|
ret i64 %cond
|
|
}
|
|
|
|
declare i32 @llvm.abs.i32(i32, i1 immarg)
|
|
|
|
define i32 @abs_i32(i32 %x) {
|
|
; RV64I-LABEL: abs_i32:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: sext.w a0, a0
|
|
; RV64I-NEXT: srai a1, a0, 63
|
|
; RV64I-NEXT: add a0, a0, a1
|
|
; RV64I-NEXT: xor a0, a0, a1
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: abs_i32:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: sext.w a0, a0
|
|
; RV64IB-NEXT: neg a1, a0
|
|
; RV64IB-NEXT: max a0, a0, a1
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: abs_i32:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: sext.w a0, a0
|
|
; RV64IBB-NEXT: neg a1, a0
|
|
; RV64IBB-NEXT: max a0, a0, a1
|
|
; RV64IBB-NEXT: ret
|
|
%abs = tail call i32 @llvm.abs.i32(i32 %x, i1 true)
|
|
ret i32 %abs
|
|
}
|
|
|
|
declare i64 @llvm.abs.i64(i64, i1 immarg)
|
|
|
|
define i64 @abs_i64(i64 %x) {
|
|
; RV64I-LABEL: abs_i64:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: srai a1, a0, 63
|
|
; RV64I-NEXT: add a0, a0, a1
|
|
; RV64I-NEXT: xor a0, a0, a1
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: abs_i64:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: neg a1, a0
|
|
; RV64IB-NEXT: max a0, a0, a1
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: abs_i64:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: neg a1, a0
|
|
; RV64IBB-NEXT: max a0, a0, a1
|
|
; RV64IBB-NEXT: ret
|
|
%abs = tail call i64 @llvm.abs.i64(i64 %x, i1 true)
|
|
ret i64 %abs
|
|
}
|
|
|
|
define i32 @zexth_i32(i32 %a) nounwind {
|
|
; RV64I-LABEL: zexth_i32:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: lui a1, 16
|
|
; RV64I-NEXT: addiw a1, a1, -1
|
|
; RV64I-NEXT: and a0, a0, a1
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: zexth_i32:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: zext.h a0, a0
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: zexth_i32:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: zext.h a0, a0
|
|
; RV64IBB-NEXT: ret
|
|
%and = and i32 %a, 65535
|
|
ret i32 %and
|
|
}
|
|
|
|
define i64 @zexth_i64(i64 %a) nounwind {
|
|
; RV64I-LABEL: zexth_i64:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: lui a1, 16
|
|
; RV64I-NEXT: addiw a1, a1, -1
|
|
; RV64I-NEXT: and a0, a0, a1
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: zexth_i64:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: zext.h a0, a0
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: zexth_i64:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: zext.h a0, a0
|
|
; RV64IBB-NEXT: ret
|
|
%and = and i64 %a, 65535
|
|
ret i64 %and
|
|
}
|
|
|
|
declare i32 @llvm.bswap.i32(i32)
|
|
|
|
define signext i32 @bswap_i32(i32 signext %a) nounwind {
|
|
; RV64I-LABEL: bswap_i32:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: slli a1, a0, 8
|
|
; RV64I-NEXT: addi a2, zero, 255
|
|
; RV64I-NEXT: slli a3, a2, 32
|
|
; RV64I-NEXT: and a1, a1, a3
|
|
; RV64I-NEXT: slli a3, a0, 24
|
|
; RV64I-NEXT: slli a4, a2, 40
|
|
; RV64I-NEXT: and a3, a3, a4
|
|
; RV64I-NEXT: or a1, a3, a1
|
|
; RV64I-NEXT: slli a3, a0, 40
|
|
; RV64I-NEXT: slli a2, a2, 48
|
|
; RV64I-NEXT: and a2, a3, a2
|
|
; RV64I-NEXT: slli a0, a0, 56
|
|
; RV64I-NEXT: or a0, a0, a2
|
|
; RV64I-NEXT: or a0, a0, a1
|
|
; RV64I-NEXT: srai a0, a0, 32
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: bswap_i32:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: greviw a0, a0, 24
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: bswap_i32:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: rev8 a0, a0
|
|
; RV64IBB-NEXT: srai a0, a0, 32
|
|
; RV64IBB-NEXT: ret
|
|
%1 = tail call i32 @llvm.bswap.i32(i32 %a)
|
|
ret i32 %1
|
|
}
|
|
|
|
; Similar to bswap_i32 but the result is not sign extended.
|
|
define void @bswap_i32_nosext(i32 signext %a, i32* %x) nounwind {
|
|
; RV64I-LABEL: bswap_i32_nosext:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: slli a2, a0, 8
|
|
; RV64I-NEXT: addi a3, zero, 255
|
|
; RV64I-NEXT: slli a4, a3, 32
|
|
; RV64I-NEXT: and a2, a2, a4
|
|
; RV64I-NEXT: slli a4, a0, 24
|
|
; RV64I-NEXT: slli a5, a3, 40
|
|
; RV64I-NEXT: and a4, a4, a5
|
|
; RV64I-NEXT: or a2, a4, a2
|
|
; RV64I-NEXT: slli a4, a0, 40
|
|
; RV64I-NEXT: slli a3, a3, 48
|
|
; RV64I-NEXT: and a3, a4, a3
|
|
; RV64I-NEXT: slli a0, a0, 56
|
|
; RV64I-NEXT: or a0, a0, a3
|
|
; RV64I-NEXT: or a0, a0, a2
|
|
; RV64I-NEXT: srli a0, a0, 32
|
|
; RV64I-NEXT: sw a0, 0(a1)
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: bswap_i32_nosext:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: greviw a0, a0, 24
|
|
; RV64IB-NEXT: sw a0, 0(a1)
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: bswap_i32_nosext:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: rev8 a0, a0
|
|
; RV64IBB-NEXT: srli a0, a0, 32
|
|
; RV64IBB-NEXT: sw a0, 0(a1)
|
|
; RV64IBB-NEXT: ret
|
|
%1 = tail call i32 @llvm.bswap.i32(i32 %a)
|
|
store i32 %1, i32* %x
|
|
ret void
|
|
}
|
|
|
|
declare i64 @llvm.bswap.i64(i64)
|
|
|
|
define i64 @bswap_i64(i64 %a) {
|
|
; RV64I-LABEL: bswap_i64:
|
|
; RV64I: # %bb.0:
|
|
; RV64I-NEXT: srli a1, a0, 24
|
|
; RV64I-NEXT: lui a2, 4080
|
|
; RV64I-NEXT: and a1, a1, a2
|
|
; RV64I-NEXT: srli a2, a0, 8
|
|
; RV64I-NEXT: addi a3, zero, 255
|
|
; RV64I-NEXT: slli a4, a3, 24
|
|
; RV64I-NEXT: and a2, a2, a4
|
|
; RV64I-NEXT: or a1, a2, a1
|
|
; RV64I-NEXT: srli a2, a0, 40
|
|
; RV64I-NEXT: lui a4, 16
|
|
; RV64I-NEXT: addiw a4, a4, -256
|
|
; RV64I-NEXT: and a2, a2, a4
|
|
; RV64I-NEXT: srli a4, a0, 56
|
|
; RV64I-NEXT: or a2, a2, a4
|
|
; RV64I-NEXT: or a1, a1, a2
|
|
; RV64I-NEXT: slli a2, a0, 8
|
|
; RV64I-NEXT: slli a4, a3, 32
|
|
; RV64I-NEXT: and a2, a2, a4
|
|
; RV64I-NEXT: slli a4, a0, 24
|
|
; RV64I-NEXT: slli a5, a3, 40
|
|
; RV64I-NEXT: and a4, a4, a5
|
|
; RV64I-NEXT: or a2, a4, a2
|
|
; RV64I-NEXT: slli a4, a0, 40
|
|
; RV64I-NEXT: slli a3, a3, 48
|
|
; RV64I-NEXT: and a3, a4, a3
|
|
; RV64I-NEXT: slli a0, a0, 56
|
|
; RV64I-NEXT: or a0, a0, a3
|
|
; RV64I-NEXT: or a0, a0, a2
|
|
; RV64I-NEXT: or a0, a0, a1
|
|
; RV64I-NEXT: ret
|
|
;
|
|
; RV64IB-LABEL: bswap_i64:
|
|
; RV64IB: # %bb.0:
|
|
; RV64IB-NEXT: rev8 a0, a0
|
|
; RV64IB-NEXT: ret
|
|
;
|
|
; RV64IBB-LABEL: bswap_i64:
|
|
; RV64IBB: # %bb.0:
|
|
; RV64IBB-NEXT: rev8 a0, a0
|
|
; RV64IBB-NEXT: ret
|
|
%1 = call i64 @llvm.bswap.i64(i64 %a)
|
|
ret i64 %1
|
|
}
|