integer/sub_sat: Use clang builtin instead of llvm asm

reviewer: Tom Stellard

Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
llvm-svn: 314703
This commit is contained in:
Jan Vesely 2017-10-02 18:39:03 +00:00
parent 1964df8fad
commit a02d0e2c50
7 changed files with 26 additions and 215 deletions

View File

@ -73,8 +73,6 @@ integer/mul_hi.cl
integer/rhadd.cl
integer/rotate.cl
integer/sub_sat.cl
integer/sub_sat_if.ll
integer/sub_sat_impl.ll
integer/upsample.cl
math/acos.cl
math/acosh.cl

View File

@ -1,46 +1,54 @@
#include <clc/clc.h>
#include "../clcmacro.h"
// From sub_sat.ll
_CLC_DECL char __clc_sub_sat_s8(char, char);
_CLC_DECL uchar __clc_sub_sat_u8(uchar, uchar);
_CLC_DECL short __clc_sub_sat_s16(short, short);
_CLC_DECL ushort __clc_sub_sat_u16(ushort, ushort);
_CLC_DECL int __clc_sub_sat_s32(int, int);
_CLC_DECL uint __clc_sub_sat_u32(uint, uint);
_CLC_DECL long __clc_sub_sat_s64(long, long);
_CLC_DECL ulong __clc_sub_sat_u64(ulong, ulong);
_CLC_OVERLOAD _CLC_DEF char sub_sat(char x, char y) {
return __clc_sub_sat_s8(x, y);
short r = x - y;
return convert_char_sat(r);
}
_CLC_OVERLOAD _CLC_DEF uchar sub_sat(uchar x, uchar y) {
return __clc_sub_sat_u8(x, y);
short r = x - y;
return convert_uchar_sat(r);
}
_CLC_OVERLOAD _CLC_DEF short sub_sat(short x, short y) {
return __clc_sub_sat_s16(x, y);
int r = x - y;
return convert_short_sat(r);
}
_CLC_OVERLOAD _CLC_DEF ushort sub_sat(ushort x, ushort y) {
return __clc_sub_sat_u16(x, y);
int r = x - y;
return convert_ushort_sat(r);
}
_CLC_OVERLOAD _CLC_DEF int sub_sat(int x, int y) {
return __clc_sub_sat_s32(x, y);
int r;
if (__builtin_ssub_overflow(x, y, &r))
// The oveflow can only occur in the direction of the first operand
return x > 0 ? INT_MAX : INT_MIN;
return r;
}
_CLC_OVERLOAD _CLC_DEF uint sub_sat(uint x, uint y) {
return __clc_sub_sat_u32(x, y);
uint r;
if (__builtin_usub_overflow(x, y, &r))
return 0;
return r;
}
_CLC_OVERLOAD _CLC_DEF long sub_sat(long x, long y) {
return __clc_sub_sat_s64(x, y);
long r;
if (__builtin_ssubl_overflow(x, y, &r))
// The oveflow can only occur in the direction of the first operand
return x > 0 ? LONG_MAX : LONG_MIN;
return r;
}
_CLC_OVERLOAD _CLC_DEF ulong sub_sat(ulong x, ulong y) {
return __clc_sub_sat_u64(x, y);
ulong r;
if (__builtin_usubl_overflow(x, y, &r))
return 0;
return r;
}
_CLC_BINARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, char, sub_sat, char, char)

View File

@ -1,55 +0,0 @@
declare i8 @__clc_sub_sat_impl_s8(i8 %x, i8 %y)
define i8 @__clc_sub_sat_s8(i8 %x, i8 %y) nounwind readnone alwaysinline {
%call = call i8 @__clc_sub_sat_impl_s8(i8 %x, i8 %y)
ret i8 %call
}
declare i8 @__clc_sub_sat_impl_u8(i8 %x, i8 %y)
define i8 @__clc_sub_sat_u8(i8 %x, i8 %y) nounwind readnone alwaysinline {
%call = call i8 @__clc_sub_sat_impl_u8(i8 %x, i8 %y)
ret i8 %call
}
declare i16 @__clc_sub_sat_impl_s16(i16 %x, i16 %y)
define i16 @__clc_sub_sat_s16(i16 %x, i16 %y) nounwind readnone alwaysinline {
%call = call i16 @__clc_sub_sat_impl_s16(i16 %x, i16 %y)
ret i16 %call
}
declare i16 @__clc_sub_sat_impl_u16(i16 %x, i16 %y)
define i16 @__clc_sub_sat_u16(i16 %x, i16 %y) nounwind readnone alwaysinline {
%call = call i16 @__clc_sub_sat_impl_u16(i16 %x, i16 %y)
ret i16 %call
}
declare i32 @__clc_sub_sat_impl_s32(i32 %x, i32 %y)
define i32 @__clc_sub_sat_s32(i32 %x, i32 %y) nounwind readnone alwaysinline {
%call = call i32 @__clc_sub_sat_impl_s32(i32 %x, i32 %y)
ret i32 %call
}
declare i32 @__clc_sub_sat_impl_u32(i32 %x, i32 %y)
define i32 @__clc_sub_sat_u32(i32 %x, i32 %y) nounwind readnone alwaysinline {
%call = call i32 @__clc_sub_sat_impl_u32(i32 %x, i32 %y)
ret i32 %call
}
declare i64 @__clc_sub_sat_impl_s64(i64 %x, i64 %y)
define i64 @__clc_sub_sat_s64(i64 %x, i64 %y) nounwind readnone alwaysinline {
%call = call i64 @__clc_sub_sat_impl_s64(i64 %x, i64 %y)
ret i64 %call
}
declare i64 @__clc_sub_sat_impl_u64(i64 %x, i64 %y)
define i64 @__clc_sub_sat_u64(i64 %x, i64 %y) nounwind readnone alwaysinline {
%call = call i64 @__clc_sub_sat_impl_u64(i64 %x, i64 %y)
ret i64 %call
}

View File

@ -1,83 +0,0 @@
declare {i8, i1} @llvm.ssub.with.overflow.i8(i8, i8)
declare {i8, i1} @llvm.usub.with.overflow.i8(i8, i8)
define i8 @__clc_sub_sat_impl_s8(i8 %x, i8 %y) nounwind readnone alwaysinline {
%call = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 %x, i8 %y)
%res = extractvalue {i8, i1} %call, 0
%over = extractvalue {i8, i1} %call, 1
%x.msb = ashr i8 %x, 7
%x.limit = xor i8 %x.msb, 127
%sat = select i1 %over, i8 %x.limit, i8 %res
ret i8 %sat
}
define i8 @__clc_sub_sat_impl_u8(i8 %x, i8 %y) nounwind readnone alwaysinline {
%call = call {i8, i1} @llvm.usub.with.overflow.i8(i8 %x, i8 %y)
%res = extractvalue {i8, i1} %call, 0
%over = extractvalue {i8, i1} %call, 1
%sat = select i1 %over, i8 0, i8 %res
ret i8 %sat
}
declare {i16, i1} @llvm.ssub.with.overflow.i16(i16, i16)
declare {i16, i1} @llvm.usub.with.overflow.i16(i16, i16)
define i16 @__clc_sub_sat_impl_s16(i16 %x, i16 %y) nounwind readnone alwaysinline {
%call = call {i16, i1} @llvm.ssub.with.overflow.i16(i16 %x, i16 %y)
%res = extractvalue {i16, i1} %call, 0
%over = extractvalue {i16, i1} %call, 1
%x.msb = ashr i16 %x, 15
%x.limit = xor i16 %x.msb, 32767
%sat = select i1 %over, i16 %x.limit, i16 %res
ret i16 %sat
}
define i16 @__clc_sub_sat_impl_u16(i16 %x, i16 %y) nounwind readnone alwaysinline {
%call = call {i16, i1} @llvm.usub.with.overflow.i16(i16 %x, i16 %y)
%res = extractvalue {i16, i1} %call, 0
%over = extractvalue {i16, i1} %call, 1
%sat = select i1 %over, i16 0, i16 %res
ret i16 %sat
}
declare {i32, i1} @llvm.ssub.with.overflow.i32(i32, i32)
declare {i32, i1} @llvm.usub.with.overflow.i32(i32, i32)
define i32 @__clc_sub_sat_impl_s32(i32 %x, i32 %y) nounwind readnone alwaysinline {
%call = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %x, i32 %y)
%res = extractvalue {i32, i1} %call, 0
%over = extractvalue {i32, i1} %call, 1
%x.msb = ashr i32 %x, 31
%x.limit = xor i32 %x.msb, 2147483647
%sat = select i1 %over, i32 %x.limit, i32 %res
ret i32 %sat
}
define i32 @__clc_sub_sat_impl_u32(i32 %x, i32 %y) nounwind readnone alwaysinline {
%call = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %x, i32 %y)
%res = extractvalue {i32, i1} %call, 0
%over = extractvalue {i32, i1} %call, 1
%sat = select i1 %over, i32 0, i32 %res
ret i32 %sat
}
declare {i64, i1} @llvm.ssub.with.overflow.i64(i64, i64)
declare {i64, i1} @llvm.usub.with.overflow.i64(i64, i64)
define i64 @__clc_sub_sat_impl_s64(i64 %x, i64 %y) nounwind readnone alwaysinline {
%call = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %x, i64 %y)
%res = extractvalue {i64, i1} %call, 0
%over = extractvalue {i64, i1} %call, 1
%x.msb = ashr i64 %x, 63
%x.limit = xor i64 %x.msb, 9223372036854775807
%sat = select i1 %over, i64 %x.limit, i64 %res
ret i64 %sat
}
define i64 @__clc_sub_sat_impl_u64(i64 %x, i64 %y) nounwind readnone alwaysinline {
%call = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %x, i64 %y)
%res = extractvalue {i64, i1} %call, 0
%over = extractvalue {i64, i1} %call, 1
%sat = select i1 %over, i64 0, i64 %res
ret i64 %sat
}

View File

@ -1 +0,0 @@
integer/sub_sat_if.ll

View File

@ -1 +0,0 @@
integer/sub_sat.ll

View File

@ -1,55 +0,0 @@
declare i8 @__clc_sub_sat_impl_s8(i8 %x, i8 %y)
define ptx_device i8 @__clc_sub_sat_s8(i8 %x, i8 %y) nounwind readnone alwaysinline {
%call = call i8 @__clc_sub_sat_impl_s8(i8 %x, i8 %y)
ret i8 %call
}
declare i8 @__clc_sub_sat_impl_u8(i8 %x, i8 %y)
define ptx_device i8 @__clc_sub_sat_u8(i8 %x, i8 %y) nounwind readnone alwaysinline {
%call = call i8 @__clc_sub_sat_impl_u8(i8 %x, i8 %y)
ret i8 %call
}
declare i16 @__clc_sub_sat_impl_s16(i16 %x, i16 %y)
define ptx_device i16 @__clc_sub_sat_s16(i16 %x, i16 %y) nounwind readnone alwaysinline {
%call = call i16 @__clc_sub_sat_impl_s16(i16 %x, i16 %y)
ret i16 %call
}
declare i16 @__clc_sub_sat_impl_u16(i16 %x, i16 %y)
define ptx_device i16 @__clc_sub_sat_u16(i16 %x, i16 %y) nounwind readnone alwaysinline {
%call = call i16 @__clc_sub_sat_impl_u16(i16 %x, i16 %y)
ret i16 %call
}
declare i32 @__clc_sub_sat_impl_s32(i32 %x, i32 %y)
define ptx_device i32 @__clc_sub_sat_s32(i32 %x, i32 %y) nounwind readnone alwaysinline {
%call = call i32 @__clc_sub_sat_impl_s32(i32 %x, i32 %y)
ret i32 %call
}
declare i32 @__clc_sub_sat_impl_u32(i32 %x, i32 %y)
define ptx_device i32 @__clc_sub_sat_u32(i32 %x, i32 %y) nounwind readnone alwaysinline {
%call = call i32 @__clc_sub_sat_impl_u32(i32 %x, i32 %y)
ret i32 %call
}
declare i64 @__clc_sub_sat_impl_s64(i64 %x, i64 %y)
define ptx_device i64 @__clc_sub_sat_s64(i64 %x, i64 %y) nounwind readnone alwaysinline {
%call = call i64 @__clc_sub_sat_impl_s64(i64 %x, i64 %y)
ret i64 %call
}
declare i64 @__clc_sub_sat_impl_u64(i64 %x, i64 %y)
define ptx_device i64 @__clc_sub_sat_u64(i64 %x, i64 %y) nounwind readnone alwaysinline {
%call = call i64 @__clc_sub_sat_impl_u64(i64 %x, i64 %y)
ret i64 %call
}