; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -global-isel -amdgpu-codegenprepare-disable-idiv-expansion=1 -mtriple=amdgcn-amd-amdpal < %s | FileCheck -check-prefixes=CHECK,GISEL %s
; RUN: llc -global-isel -amdgpu-codegenprepare-disable-idiv-expansion=0 -mtriple=amdgcn-amd-amdpal < %s | FileCheck -check-prefixes=CHECK,CGP %s
; The same 32-bit expansion is implemented in the legalizer and in AMDGPUCodeGenPrepare.
define i32 @v_udiv_i32(i32 %num, i32 %den) {
; GISEL-LABEL: v_udiv_i32:
; GISEL: ; %bb.0:
; GISEL-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GISEL-NEXT: v_cvt_f32_u32_e32 v2, v1
; GISEL-NEXT: v_sub_i32_e32 v3, vcc, 0, v1
; GISEL-NEXT: v_rcp_iflag_f32_e32 v2, v2
; GISEL-NEXT: v_mul_f32_e32 v2, 0x4f7ffffe, v2
; GISEL-NEXT: v_cvt_u32_f32_e32 v2, v2
; GISEL-NEXT: v_mul_lo_u32 v3, v3, v2
; GISEL-NEXT: v_mul_hi_u32 v3, v2, v3
; GISEL-NEXT: v_add_i32_e32 v2, vcc, v2, v3
; GISEL-NEXT: v_mul_hi_u32 v2, v0, v2
; GISEL-NEXT: v_mul_lo_u32 v3, v2, v1
; GISEL-NEXT: v_add_i32_e32 v4, vcc, 1, v2
; GISEL-NEXT: v_sub_i32_e32 v0, vcc, v0, v3
; GISEL-NEXT: v_cmp_ge_u32_e32 vcc, v0, v1
; GISEL-NEXT: v_cndmask_b32_e32 v2, v2, v4, vcc
; GISEL-NEXT: v_sub_i32_e64 v3, s[4:5], v0, v1
; GISEL-NEXT: v_cndmask_b32_e32 v0, v0, v3, vcc
; GISEL-NEXT: v_add_i32_e32 v3, vcc, 1, v2
; GISEL-NEXT: v_cmp_ge_u32_e32 vcc, v0, v1
; GISEL-NEXT: v_cndmask_b32_e32 v0, v2, v3, vcc
; GISEL-NEXT: s_setpc_b64 s[30:31]
;
; CGP-LABEL: v_udiv_i32:
; CGP: ; %bb.0:
; CGP-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CGP-NEXT: v_cvt_f32_u32_e32 v2, v1
; CGP-NEXT: v_sub_i32_e32 v3, vcc, 0, v1
; CGP-NEXT: v_rcp_f32_e32 v2, v2
; CGP-NEXT: v_mul_f32_e32 v2, 0x4f7ffffe, v2
; CGP-NEXT: v_cvt_u32_f32_e32 v2, v2
; CGP-NEXT: v_mul_lo_u32 v3, v3, v2
; CGP-NEXT: v_mul_hi_u32 v3, v2, v3
; CGP-NEXT: v_add_i32_e32 v2, vcc, v2, v3
; CGP-NEXT: v_mul_hi_u32 v2, v0, v2
; CGP-NEXT: v_mul_lo_u32 v3, v2, v1
; CGP-NEXT: v_add_i32_e32 v4, vcc, 1, v2
; CGP-NEXT: v_sub_i32_e32 v0, vcc, v0, v3
; CGP-NEXT: v_cmp_ge_u32_e32 vcc, v0, v1
; CGP-NEXT: v_cndmask_b32_e32 v2, v2, v4, vcc
; CGP-NEXT: v_sub_i32_e64 v3, s[4:5], v0, v1
; CGP-NEXT: v_cndmask_b32_e32 v0, v0, v3, vcc
; CGP-NEXT: v_add_i32_e32 v3, vcc, 1, v2
; CGP-NEXT: v_cmp_ge_u32_e32 vcc, v0, v1
; CGP-NEXT: v_cndmask_b32_e32 v0, v2, v3, vcc
; CGP-NEXT: s_setpc_b64 s[30:31]
%result = udiv i32 %num, %den
ret i32 %result
}
; FIXME: This is a workaround for not handling uniform VGPR case.
declare i32 @llvm.amdgcn.readfirstlane(i32)
define amdgpu_ps i32 @s_udiv_i32(i32 inreg %num, i32 inreg %den) {
; GISEL-LABEL: s_udiv_i32:
; GISEL: ; %bb.0:
; GISEL-NEXT: v_cvt_f32_u32_e32 v0, s1
; GISEL-NEXT: s_sub_i32 s2, 0, s1
; GISEL-NEXT: v_rcp_iflag_f32_e32 v0, v0
; GISEL-NEXT: v_mul_f32_e32 v0, 0x4f7ffffe, v0
; GISEL-NEXT: v_cvt_u32_f32_e32 v0, v0
; GISEL-NEXT: v_mul_lo_u32 v1, s2, v0
; GISEL-NEXT: v_mul_hi_u32 v1, v0, v1
; GISEL-NEXT: v_add_i32_e32 v0, vcc, v0, v1
; GISEL-NEXT: v_mul_hi_u32 v0, s0, v0
; GISEL-NEXT: v_mul_lo_u32 v1, v0, s1
; GISEL-NEXT: v_add_i32_e32 v2, vcc, 1, v0
; GISEL-NEXT: v_sub_i32_e32 v1, vcc, s0, v1
; GISEL-NEXT: v_cmp_le_u32_e32 vcc, s1, v1
; GISEL-NEXT: v_cndmask_b32_e32 v0, v0, v2, vcc
; GISEL-NEXT: v_subrev_i32_e64 v2, s[2:3], s1, v1
; GISEL-NEXT: v_cndmask_b32_e32 v1, v1, v2, vcc
; GISEL-NEXT: v_add_i32_e32 v2, vcc, 1, v0
; GISEL-NEXT: v_cmp_le_u32_e32 vcc, s1, v1
; GISEL-NEXT: v_cndmask_b32_e32 v0, v0, v2, vcc
; GISEL-NEXT: v_readfirstlane_b32 s0, v0
; GISEL-NEXT: ; return to shader part epilog
;
; CGP-LABEL: s_udiv_i32:
; CGP: ; %bb.0:
; CGP-NEXT: v_cvt_f32_u32_e32 v0, s1
; CGP-NEXT: s_sub_i32 s2, 0, s1
; CGP-NEXT: v_rcp_f32_e32 v0, v0
; CGP-NEXT: v_mul_f32_e32 v0, 0x4f7ffffe, v0
; CGP-NEXT: v_cvt_u32_f32_e32 v0, v0
; CGP-NEXT: v_mul_lo_u32 v1, s2, v0
; CGP-NEXT: v_mul_hi_u32 v1, v0, v1
; CGP-NEXT: v_add_i32_e32 v0, vcc, v0, v1
; CGP-NEXT: v_mul_hi_u32 v0, s0, v0
; CGP-NEXT: v_mul_lo_u32 v1, v0, s1
; CGP-NEXT: v_add_i32_e32 v2, vcc, 1, v0
; CGP-NEXT: v_sub_i32_e32 v1, vcc, s0, v1
; CGP-NEXT: v_cmp_le_u32_e32 vcc, s1, v1
; CGP-NEXT: v_cndmask_b32_e32 v0, v0, v2, vcc
; CGP-NEXT: v_subrev_i32_e64 v2, s[2:3], s1, v1
; CGP-NEXT: v_cndmask_b32_e32 v1, v1, v2, vcc
; CGP-NEXT: v_add_i32_e32 v2, vcc, 1, v0
; CGP-NEXT: v_cmp_le_u32_e32 vcc, s1, v1
; CGP-NEXT: v_cndmask_b32_e32 v0, v0, v2, vcc
; CGP-NEXT: v_readfirstlane_b32 s0, v0
; CGP-NEXT: ; return to shader part epilog
%result = udiv i32 %num, %den
%readlane = call i32 @llvm.amdgcn.readfirstlane(i32 %result)
ret i32 %readlane
}
define <2 x i32> @v_udiv_v2i32(<2 x i32> %num, <2 x i32> %den) {
; GISEL-LABEL: v_udiv_v2i32:
; GISEL: ; %bb.0:
; GISEL-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GISEL-NEXT: v_cvt_f32_u32_e32 v4, v2
; GISEL-NEXT: v_sub_i32_e32 v5, vcc, 0, v2
; GISEL-NEXT: v_cvt_f32_u32_e32 v6, v3
; GISEL-NEXT: v_sub_i32_e32 v7, vcc, 0, v3
; GISEL-NEXT: v_rcp_iflag_f32_e32 v4, v4
; GISEL-NEXT: v_rcp_iflag_f32_e32 v6, v6
; GISEL-NEXT: v_mul_f32_e32 v4, 0x4f7ffffe, v4
; GISEL-NEXT: v_mul_f32_e32 v6, 0x4f7ffffe, v6
; GISEL-NEXT: v_cvt_u32_f32_e32 v4, v4
; GISEL-NEXT: v_cvt_u32_f32_e32 v6, v6
; GISEL-NEXT: v_mul_lo_u32 v5, v5, v4
; GISEL-NEXT: v_mul_lo_u32 v7, v7, v6
; GISEL-NEXT: v_mul_hi_u32 v5, v4, v5
; GISEL-NEXT: v_mul_hi_u32 v7, v6, v7
; GISEL-NEXT: v_add_i32_e32 v4, vcc, v4, v5
; GISEL-NEXT: v_add_i32_e32 v5, vcc, v6, v7
; GISEL-NEXT: v_mul_hi_u32 v4, v0, v4
; GISEL-NEXT: v_mul_hi_u32 v5, v1, v5
; GISEL-NEXT: v_mul_lo_u32 v6, v4, v2
; GISEL-NEXT: v_add_i32_e32 v7, vcc, 1, v4
; GISEL-NEXT: v_mul_lo_u32 v8, v5, v3
; GISEL-NEXT: v_add_i32_e32 v9, vcc, 1, v5
; GISEL-NEXT: v_sub_i32_e32 v0, vcc, v0, v6
; GISEL-NEXT: v_sub_i32_e32 v1, vcc, v1, v8
; GISEL-NEXT: v_cmp_ge_u32_e32 vcc, v0, v2
; GISEL-NEXT: v_cndmask_b32_e32 v4, v4, v7, vcc
; GISEL-NEXT: v_sub_i32_e64 v6, s[4:5], v0, v2
; GISEL-NEXT: v_cmp_ge_u32_e64 s[4:5], v1, v3
; GISEL-NEXT: v_cndmask_b32_e64 v5, v5, v9, s[4:5]
; GISEL-NEXT: v_sub_i32_e64 v7, s[6:7], v1, v3
; GISEL-NEXT: v_cndmask_b32_e32 v0, v0, v6, vcc
; GISEL-NEXT: v_add_i32_e32 v6, vcc, 1, v4
; GISEL-NEXT: v_cndmask_b32_e64 v1, v1, v7, s[4:5]
; GISEL-NEXT: v_add_i32_e32 v7, vcc, 1, v5
; GISEL-NEXT: v_cmp_ge_u32_e32 vcc, v0, v2
; GISEL-NEXT: v_cndmask_b32_e32 v0, v4, v6, vcc
; GISEL-NEXT: v_cmp_ge_u32_e32 vcc, v1, v3
; GISEL-NEXT: v_cndmask_b32_e32 v1, v5, v7, vcc
; GISEL-NEXT: s_setpc_b64 s[30:31]
;
; CGP-LABEL: v_udiv_v2i32:
; CGP: ; %bb.0:
; CGP-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CGP-NEXT: v_cvt_f32_u32_e32 v4, v2
; CGP-NEXT: v_sub_i32_e32 v5, vcc, 0, v2
; CGP-NEXT: v_cvt_f32_u32_e32 v6, v3
; CGP-NEXT: v_sub_i32_e32 v7, vcc, 0, v3
; CGP-NEXT: v_rcp_f32_e32 v4, v4
; CGP-NEXT: v_rcp_f32_e32 v6, v6
; CGP-NEXT: v_mul_f32_e32 v4, 0x4f7ffffe, v4
; CGP-NEXT: v_mul_f32_e32 v6, 0x4f7ffffe, v6
; CGP-NEXT: v_cvt_u32_f32_e32 v4, v4
; CGP-NEXT: v_cvt_u32_f32_e32 v6, v6
; CGP-NEXT: v_mul_lo_u32 v5, v5, v4
; CGP-NEXT: v_mul_lo_u32 v7, v7, v6
; CGP-NEXT: v_mul_hi_u32 v5, v4, v5
; CGP-NEXT: v_mul_hi_u32 v7, v6, v7
; CGP-NEXT: v_add_i32_e32 v4, vcc, v4, v5
; CGP-NEXT: v_add_i32_e32 v5, vcc, v6, v7
; CGP-NEXT: v_mul_hi_u32 v4, v0, v4
; CGP-NEXT: v_mul_hi_u32 v5, v1, v5
; CGP-NEXT: v_mul_lo_u32 v6, v4, v2
; CGP-NEXT: v_add_i32_e32 v7, vcc, 1, v4
; CGP-NEXT: v_mul_lo_u32 v8, v5, v3
; CGP-NEXT: v_add_i32_e32 v9, vcc, 1, v5
; CGP-NEXT: v_sub_i32_e32 v0, vcc, v0, v6
; CGP-NEXT: v_sub_i32_e32 v1, vcc, v1, v8
; CGP-NEXT: v_cmp_ge_u32_e32 vcc, v0, v2
; CGP-NEXT: v_cndmask_b32_e32 v4, v4, v7, vcc
; CGP-NEXT: v_sub_i32_e64 v6, s[4:5], v0, v2
; CGP-NEXT: v_cmp_ge_u32_e64 s[4:5], v1, v3
; CGP-NEXT: v_cndmask_b32_e64 v5, v5, v9, s[4:5]
; CGP-NEXT: v_sub_i32_e64 v7, s[6:7], v1, v3
; CGP-NEXT: v_cndmask_b32_e32 v0, v0, v6, vcc
; CGP-NEXT: v_add_i32_e32 v6, vcc, 1, v4
; CGP-NEXT: v_cndmask_b32_e64 v1, v1, v7, s[4:5]
; CGP-NEXT: v_add_i32_e32 v7, vcc, 1, v5
; CGP-NEXT: v_cmp_ge_u32_e32 vcc, v0, v2
; CGP-NEXT: v_cndmask_b32_e32 v0, v4, v6, vcc
; CGP-NEXT: v_cmp_ge_u32_e32 vcc, v1, v3
; CGP-NEXT: v_cndmask_b32_e32 v1, v5, v7, vcc
; CGP-NEXT: s_setpc_b64 s[30:31]
%result = udiv <2 x i32> %num, %den
ret <2 x i32> %result
}
define i32 @v_udiv_i32_pow2k_denom(i32 %num) {
; CHECK-LABEL: v_udiv_i32_pow2k_denom:
; CHECK: ; %bb.0:
; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CHECK-NEXT: v_lshrrev_b32_e32 v0, 12, v0
; CHECK-NEXT: s_setpc_b64 s[30:31]
%result = udiv i32 %num, 4096
ret i32 %result
}
define <2 x i32> @v_udiv_v2i32_pow2k_denom(<2 x i32> %num) {
; CHECK-LABEL: v_udiv_v2i32_pow2k_denom:
; CHECK: ; %bb.0:
; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CHECK-NEXT: v_lshrrev_b32_e32 v0, 12, v0
; CHECK-NEXT: v_lshrrev_b32_e32 v1, 12, v1
; CHECK-NEXT: s_setpc_b64 s[30:31]
%result = udiv <2 x i32> %num, <i32 4096, i32 4096>
ret <2 x i32> %result
}
define i32 @v_udiv_i32_oddk_denom(i32 %num) {
; CHECK-LABEL: v_udiv_i32_oddk_denom:
; CHECK: ; %bb.0:
; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CHECK-NEXT: v_mov_b32_e32 v1, 0xb2a50881
; CHECK-NEXT: v_mul_hi_u32 v1, v0, v1
; CHECK-NEXT: v_sub_i32_e32 v0, vcc, v0, v1
; CHECK-NEXT: v_lshrrev_b32_e32 v0, 1, v0
; CHECK-NEXT: v_add_i32_e32 v0, vcc, v0, v1
; CHECK-NEXT: v_lshrrev_b32_e32 v0, 20, v0
; CHECK-NEXT: s_setpc_b64 s[30:31]
%result = udiv i32 %num, 1235195
ret i32 %result
}
define <2 x i32> @v_udiv_v2i32_oddk_denom(<2 x i32> %num) {
; CHECK-LABEL: v_udiv_v2i32_oddk_denom:
; CHECK: ; %bb.0:
; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CHECK-NEXT: v_mov_b32_e32 v2, 0xb2a50881
; CHECK-NEXT: v_mul_hi_u32 v3, v0, v2
; CHECK-NEXT: v_mul_hi_u32 v2, v1, v2
; CHECK-NEXT: v_sub_i32_e32 v0, vcc, v0, v3
; CHECK-NEXT: v_sub_i32_e32 v1, vcc, v1, v2
; CHECK-NEXT: v_lshrrev_b32_e32 v0, 1, v0
; CHECK-NEXT: v_lshrrev_b32_e32 v1, 1, v1
; CHECK-NEXT: v_add_i32_e32 v0, vcc, v0, v3
; CHECK-NEXT: v_add_i32_e32 v1, vcc, v1, v2
; CHECK-NEXT: v_lshrrev_b32_e32 v0, 20, v0
; CHECK-NEXT: v_lshrrev_b32_e32 v1, 20, v1
; CHECK-NEXT: s_setpc_b64 s[30:31]
%result = udiv <2 x i32> %num, <i32 1235195, i32 1235195>
ret <2 x i32> %result
}
define i32 @v_udiv_i32_pow2_shl_denom(i32 %x, i32 %y) {
; CHECK-LABEL: v_udiv_i32_pow2_shl_denom:
; CHECK: ; %bb.0:
; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CHECK-NEXT: v_lshl_b32_e32 v1, 0x1000, v1
; CHECK-NEXT: v_cvt_f32_u32_e32 v2, v1
; CHECK-NEXT: v_sub_i32_e32 v3, vcc, 0, v1
; CHECK-NEXT: v_rcp_iflag_f32_e32 v2, v2
; CHECK-NEXT: v_mul_f32_e32 v2, 0x4f7ffffe, v2
; CHECK-NEXT: v_cvt_u32_f32_e32 v2, v2
; CHECK-NEXT: v_mul_lo_u32 v3, v3, v2
; CHECK-NEXT: v_mul_hi_u32 v3, v2, v3
; CHECK-NEXT: v_add_i32_e32 v2, vcc, v2, v3
; CHECK-NEXT: v_mul_hi_u32 v2, v0, v2
; CHECK-NEXT: v_mul_lo_u32 v3, v2, v1
; CHECK-NEXT: v_add_i32_e32 v4, vcc, 1, v2
; CHECK-NEXT: v_sub_i32_e32 v0, vcc, v0, v3
; CHECK-NEXT: v_cmp_ge_u32_e32 vcc, v0, v1
; CHECK-NEXT: v_cndmask_b32_e32 v2, v2, v4, vcc
; CHECK-NEXT: v_sub_i32_e64 v3, s[4:5], v0, v1
; CHECK-NEXT: v_cndmask_b32_e32 v0, v0, v3, vcc
; CHECK-NEXT: v_add_i32_e32 v3, vcc, 1, v2
; CHECK-NEXT: v_cmp_ge_u32_e32 vcc, v0, v1
; CHECK-NEXT: v_cndmask_b32_e32 v0, v2, v3, vcc
; CHECK-NEXT: s_setpc_b64 s[30:31]
%shl.y = shl i32 4096, %y
%r = udiv i32 %x, %shl.y
ret i32 %r
}
define <2 x i32> @v_udiv_v2i32_pow2_shl_denom(<2 x i32> %x, <2 x i32> %y) {
; GISEL-LABEL: v_udiv_v2i32_pow2_shl_denom:
; GISEL: ; %bb.0:
; GISEL-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GISEL-NEXT: v_lshl_b32_e32 v2, 0x1000, v2
; GISEL-NEXT: v_lshl_b32_e32 v3, 0x1000, v3
; GISEL-NEXT: v_cvt_f32_u32_e32 v4, v2
; GISEL-NEXT: v_sub_i32_e32 v5, vcc, 0, v2
; GISEL-NEXT: v_cvt_f32_u32_e32 v6, v3
; GISEL-NEXT: v_sub_i32_e32 v7, vcc, 0, v3
; GISEL-NEXT: v_rcp_iflag_f32_e32 v4, v4
; GISEL-NEXT: v_rcp_iflag_f32_e32 v6, v6
; GISEL-NEXT: v_mul_f32_e32 v4, 0x4f7ffffe, v4
; GISEL-NEXT: v_mul_f32_e32 v6, 0x4f7ffffe, v6
; GISEL-NEXT: v_cvt_u32_f32_e32 v4, v4
; GISEL-NEXT: v_cvt_u32_f32_e32 v6, v6
; GISEL-NEXT: v_mul_lo_u32 v5, v5, v4
; GISEL-NEXT: v_mul_lo_u32 v7, v7, v6
; GISEL-NEXT: v_mul_hi_u32 v5, v4, v5
; GISEL-NEXT: v_mul_hi_u32 v7, v6, v7
; GISEL-NEXT: v_add_i32_e32 v4, vcc, v4, v5
; GISEL-NEXT: v_add_i32_e32 v5, vcc, v6, v7
; GISEL-NEXT: v_mul_hi_u32 v4, v0, v4
; GISEL-NEXT: v_mul_hi_u32 v5, v1, v5
; GISEL-NEXT: v_mul_lo_u32 v6, v4, v2
; GISEL-NEXT: v_add_i32_e32 v7, vcc, 1, v4
; GISEL-NEXT: v_mul_lo_u32 v8, v5, v3
; GISEL-NEXT: v_add_i32_e32 v9, vcc, 1, v5
; GISEL-NEXT: v_sub_i32_e32 v0, vcc, v0, v6
; GISEL-NEXT: v_sub_i32_e32 v1, vcc, v1, v8
; GISEL-NEXT: v_cmp_ge_u32_e32 vcc, v0, v2
; GISEL-NEXT: v_cndmask_b32_e32 v4, v4, v7, vcc
; GISEL-NEXT: v_sub_i32_e64 v6, s[4:5], v0, v2
; GISEL-NEXT: v_cmp_ge_u32_e64 s[4:5], v1, v3
; GISEL-NEXT: v_cndmask_b32_e64 v5, v5, v9, s[4:5]
; GISEL-NEXT: v_sub_i32_e64 v7, s[6:7], v1, v3
; GISEL-NEXT: v_cndmask_b32_e32 v0, v0, v6, vcc
; GISEL-NEXT: v_add_i32_e32 v6, vcc, 1, v4
; GISEL-NEXT: v_cndmask_b32_e64 v1, v1, v7, s[4:5]
; GISEL-NEXT: v_add_i32_e32 v7, vcc, 1, v5
; GISEL-NEXT: v_cmp_ge_u32_e32 vcc, v0, v2
; GISEL-NEXT: v_cndmask_b32_e32 v0, v4, v6, vcc
; GISEL-NEXT: v_cmp_ge_u32_e32 vcc, v1, v3
; GISEL-NEXT: v_cndmask_b32_e32 v1, v5, v7, vcc
; GISEL-NEXT: s_setpc_b64 s[30:31]
;
; CGP-LABEL: v_udiv_v2i32_pow2_shl_denom:
; CGP: ; %bb.0:
; CGP-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CGP-NEXT: v_lshl_b32_e32 v2, 0x1000, v2
; CGP-NEXT: v_lshl_b32_e32 v3, 0x1000, v3
; CGP-NEXT: v_cvt_f32_u32_e32 v4, v2
; CGP-NEXT: v_sub_i32_e32 v5, vcc, 0, v2
; CGP-NEXT: v_cvt_f32_u32_e32 v6, v3
; CGP-NEXT: v_sub_i32_e32 v7, vcc, 0, v3
; CGP-NEXT: v_rcp_f32_e32 v4, v4
; CGP-NEXT: v_rcp_f32_e32 v6, v6
; CGP-NEXT: v_mul_f32_e32 v4, 0x4f7ffffe, v4
; CGP-NEXT: v_mul_f32_e32 v6, 0x4f7ffffe, v6
; CGP-NEXT: v_cvt_u32_f32_e32 v4, v4
; CGP-NEXT: v_cvt_u32_f32_e32 v6, v6
; CGP-NEXT: v_mul_lo_u32 v5, v5, v4
; CGP-NEXT: v_mul_lo_u32 v7, v7, v6
; CGP-NEXT: v_mul_hi_u32 v5, v4, v5
; CGP-NEXT: v_mul_hi_u32 v7, v6, v7
; CGP-NEXT: v_add_i32_e32 v4, vcc, v4, v5
; CGP-NEXT: v_add_i32_e32 v5, vcc, v6, v7
; CGP-NEXT: v_mul_hi_u32 v4, v0, v4
; CGP-NEXT: v_mul_hi_u32 v5, v1, v5
; CGP-NEXT: v_mul_lo_u32 v6, v4, v2
; CGP-NEXT: v_add_i32_e32 v7, vcc, 1, v4
; CGP-NEXT: v_mul_lo_u32 v8, v5, v3
; CGP-NEXT: v_add_i32_e32 v9, vcc, 1, v5
; CGP-NEXT: v_sub_i32_e32 v0, vcc, v0, v6
; CGP-NEXT: v_sub_i32_e32 v1, vcc, v1, v8
; CGP-NEXT: v_cmp_ge_u32_e32 vcc, v0, v2
; CGP-NEXT: v_cndmask_b32_e32 v4, v4, v7, vcc
; CGP-NEXT: v_sub_i32_e64 v6, s[4:5], v0, v2
; CGP-NEXT: v_cmp_ge_u32_e64 s[4:5], v1, v3
; CGP-NEXT: v_cndmask_b32_e64 v5, v5, v9, s[4:5]
; CGP-NEXT: v_sub_i32_e64 v7, s[6:7], v1, v3
; CGP-NEXT: v_cndmask_b32_e32 v0, v0, v6, vcc
; CGP-NEXT: v_add_i32_e32 v6, vcc, 1, v4
; CGP-NEXT: v_cndmask_b32_e64 v1, v1, v7, s[4:5]
; CGP-NEXT: v_add_i32_e32 v7, vcc, 1, v5
; CGP-NEXT: v_cmp_ge_u32_e32 vcc, v0, v2
; CGP-NEXT: v_cndmask_b32_e32 v0, v4, v6, vcc
; CGP-NEXT: v_cmp_ge_u32_e32 vcc, v1, v3
; CGP-NEXT: v_cndmask_b32_e32 v1, v5, v7, vcc
; CGP-NEXT: s_setpc_b64 s[30:31]
%shl.y = shl <2 x i32> <i32 4096, i32 4096>, %y
%r = udiv <2 x i32> %x, %shl.y
ret <2 x i32> %r
}
define i32 @v_udiv_i32_24bit(i32 %num, i32 %den) {
; GISEL-LABEL: v_udiv_i32_24bit:
; GISEL: ; %bb.0:
; GISEL-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GISEL-NEXT: v_and_b32_e32 v0, 0xffffff, v0
; GISEL-NEXT: v_and_b32_e32 v1, 0xffffff, v1
; GISEL-NEXT: v_cvt_f32_u32_e32 v2, v1
; GISEL-NEXT: v_sub_i32_e32 v3, vcc, 0, v1
; GISEL-NEXT: v_rcp_iflag_f32_e32 v2, v2
; GISEL-NEXT: v_mul_f32_e32 v2, 0x4f7ffffe, v2
; GISEL-NEXT: v_cvt_u32_f32_e32 v2, v2
; GISEL-NEXT: v_mul_lo_u32 v3, v3, v2
; GISEL-NEXT: v_mul_hi_u32 v3, v2, v3
; GISEL-NEXT: v_add_i32_e32 v2, vcc, v2, v3
; GISEL-NEXT: v_mul_hi_u32 v2, v0, v2
; GISEL-NEXT: v_mul_lo_u32 v3, v2, v1
; GISEL-NEXT: v_add_i32_e32 v4, vcc, 1, v2
; GISEL-NEXT: v_sub_i32_e32 v0, vcc, v0, v3
; GISEL-NEXT: v_cmp_ge_u32_e32 vcc, v0, v1
; GISEL-NEXT: v_cndmask_b32_e32 v2, v2, v4, vcc
; GISEL-NEXT: v_sub_i32_e64 v3, s[4:5], v0, v1
; GISEL-NEXT: v_cndmask_b32_e32 v0, v0, v3, vcc
; GISEL-NEXT: v_add_i32_e32 v3, vcc, 1, v2
; GISEL-NEXT: v_cmp_ge_u32_e32 vcc, v0, v1
; GISEL-NEXT: v_cndmask_b32_e32 v0, v2, v3, vcc
; GISEL-NEXT: s_setpc_b64 s[30:31]
;
; CGP-LABEL: v_udiv_i32_24bit:
; CGP: ; %bb.0:
; CGP-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CGP-NEXT: v_and_b32_e32 v0, 0xffffff, v0
; CGP-NEXT: v_and_b32_e32 v1, 0xffffff, v1
; CGP-NEXT: v_cvt_f32_u32_e32 v0, v0
; CGP-NEXT: v_cvt_f32_u32_e32 v1, v1
; CGP-NEXT: v_rcp_f32_e32 v2, v1
; CGP-NEXT: v_mul_f32_e32 v2, v0, v2
; CGP-NEXT: v_trunc_f32_e32 v2, v2
; CGP-NEXT: v_fma_f32 v0, -v2, v1, v0
; CGP-NEXT: v_cvt_u32_f32_e32 v2, v2
; CGP-NEXT: v_cmp_ge_f32_e64 s[4:5], |v0|, v1
; CGP-NEXT: v_cndmask_b32_e64 v0, 0, 1, s[4:5]
; CGP-NEXT: v_add_i32_e32 v0, vcc, v2, v0
; CGP-NEXT: v_and_b32_e32 v0, 0xffffff, v0
; CGP-NEXT: s_setpc_b64 s[30:31]
%num.mask = and i32 %num, 16777215
%den.mask = and i32 %den, 16777215
%result = udiv i32 %num.mask, %den.mask
ret i32 %result
}
define <2 x i32> @v_udiv_v2i32_24bit(<2 x i32> %num, <2 x i32> %den) {
; GISEL-LABEL: v_udiv_v2i32_24bit:
; GISEL: ; %bb.0:
; GISEL-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GISEL-NEXT: v_and_b32_e32 v0, 0xffffff, v0
; GISEL-NEXT: v_and_b32_e32 v1, 0xffffff, v1
; GISEL-NEXT: v_and_b32_e32 v2, 0xffffff, v2
; GISEL-NEXT: v_and_b32_e32 v3, 0xffffff, v3
; GISEL-NEXT: v_cvt_f32_u32_e32 v4, v2
; GISEL-NEXT: v_sub_i32_e32 v5, vcc, 0, v2
; GISEL-NEXT: v_cvt_f32_u32_e32 v6, v3
; GISEL-NEXT: v_sub_i32_e32 v7, vcc, 0, v3
; GISEL-NEXT: v_rcp_iflag_f32_e32 v4, v4
; GISEL-NEXT: v_rcp_iflag_f32_e32 v6, v6
; GISEL-NEXT: v_mul_f32_e32 v4, 0x4f7ffffe, v4
; GISEL-NEXT: v_mul_f32_e32 v6, 0x4f7ffffe, v6
; GISEL-NEXT: v_cvt_u32_f32_e32 v4, v4
; GISEL-NEXT: v_cvt_u32_f32_e32 v6, v6
; GISEL-NEXT: v_mul_lo_u32 v5, v5, v4
; GISEL-NEXT: v_mul_lo_u32 v7, v7, v6
; GISEL-NEXT: v_mul_hi_u32 v5, v4, v5
; GISEL-NEXT: v_mul_hi_u32 v7, v6, v7
; GISEL-NEXT: v_add_i32_e32 v4, vcc, v4, v5
; GISEL-NEXT: v_add_i32_e32 v5, vcc, v6, v7
; GISEL-NEXT: v_mul_hi_u32 v4, v0, v4
; GISEL-NEXT: v_mul_hi_u32 v5, v1, v5
; GISEL-NEXT: v_mul_lo_u32 v6, v4, v2
; GISEL-NEXT: v_add_i32_e32 v7, vcc, 1, v4
; GISEL-NEXT: v_mul_lo_u32 v8, v5, v3
; GISEL-NEXT: v_add_i32_e32 v9, vcc, 1, v5
; GISEL-NEXT: v_sub_i32_e32 v0, vcc, v0, v6
; GISEL-NEXT: v_sub_i32_e32 v1, vcc, v1, v8
; GISEL-NEXT: v_cmp_ge_u32_e32 vcc, v0, v2
; GISEL-NEXT: v_cndmask_b32_e32 v4, v4, v7, vcc
; GISEL-NEXT: v_sub_i32_e64 v6, s[4:5], v0, v2
; GISEL-NEXT: v_cmp_ge_u32_e64 s[4:5], v1, v3
; GISEL-NEXT: v_cndmask_b32_e64 v5, v5, v9, s[4:5]
; GISEL-NEXT: v_sub_i32_e64 v7, s[6:7], v1, v3
; GISEL-NEXT: v_cndmask_b32_e32 v0, v0, v6, vcc
; GISEL-NEXT: v_add_i32_e32 v6, vcc, 1, v4
; GISEL-NEXT: v_cndmask_b32_e64 v1, v1, v7, s[4:5]
; GISEL-NEXT: v_add_i32_e32 v7, vcc, 1, v5
; GISEL-NEXT: v_cmp_ge_u32_e32 vcc, v0, v2
; GISEL-NEXT: v_cndmask_b32_e32 v0, v4, v6, vcc
; GISEL-NEXT: v_cmp_ge_u32_e32 vcc, v1, v3
; GISEL-NEXT: v_cndmask_b32_e32 v1, v5, v7, vcc
; GISEL-NEXT: s_setpc_b64 s[30:31]
;
; CGP-LABEL: v_udiv_v2i32_24bit:
; CGP: ; %bb.0:
; CGP-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CGP-NEXT: v_and_b32_e32 v0, 0xffffff, v0
; CGP-NEXT: v_and_b32_e32 v1, 0xffffff, v1
; CGP-NEXT: v_and_b32_e32 v2, 0xffffff, v2
; CGP-NEXT: v_and_b32_e32 v3, 0xffffff, v3
; CGP-NEXT: v_cvt_f32_u32_e32 v0, v0
; CGP-NEXT: v_cvt_f32_u32_e32 v2, v2
; CGP-NEXT: v_cvt_f32_u32_e32 v1, v1
; CGP-NEXT: v_cvt_f32_u32_e32 v3, v3
; CGP-NEXT: v_rcp_f32_e32 v4, v2
; CGP-NEXT: v_rcp_f32_e32 v5, v3
; CGP-NEXT: v_mul_f32_e32 v4, v0, v4
; CGP-NEXT: v_mul_f32_e32 v5, v1, v5
; CGP-NEXT: v_trunc_f32_e32 v4, v4
; CGP-NEXT: v_trunc_f32_e32 v5, v5
; CGP-NEXT: v_fma_f32 v0, -v4, v2, v0
; CGP-NEXT: v_cvt_u32_f32_e32 v4, v4
; CGP-NEXT: v_fma_f32 v1, -v5, v3, v1
; CGP-NEXT: v_cvt_u32_f32_e32 v5, v5
; CGP-NEXT: v_cmp_ge_f32_e64 s[4:5], |v0|, v2
; CGP-NEXT: v_cndmask_b32_e64 v0, 0, 1, s[4:5]
; CGP-NEXT: v_cmp_ge_f32_e64 s[4:5], |v1|, v3
; CGP-NEXT: v_cndmask_b32_e64 v1, 0, 1, s[4:5]
; CGP-NEXT: v_add_i32_e32 v0, vcc, v4, v0
; CGP-NEXT: v_add_i32_e32 v1, vcc, v5, v1
; CGP-NEXT: v_and_b32_e32 v0, 0xffffff, v0
; CGP-NEXT: v_and_b32_e32 v1, 0xffffff, v1
; CGP-NEXT: s_setpc_b64 s[30:31]
%num.mask = and <2 x i32> %num, <i32 16777215, i32 16777215>
%den.mask = and <2 x i32> %den, <i32 16777215, i32 16777215>
%result = udiv <2 x i32> %num.mask, %den.mask
ret <2 x i32> %result
}
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