aaron/ispc
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Update load_and_broadcast built-in

Browse Source 
Change function suffix to "_i32", etc, from "_32"

Improve load_and_broadcast macro in util.m4 to grab vector width from 
WIDTH variable rather than taking it as a parameter.
This commit is contained in:
Matt Pharr
2012-06-07 13:30:49 -07:00
parent 1d29991268
commit 91d22d150f
10 changed files with 56 additions and 57 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
builtins/util.m4
View File

@@ -1701,13 +1701,13 @@ define void @__keep_funcs_live(i8 * %ptr, <WIDTH x i8> %v8, <WIDTH x i16> %v16,
%ml64 = call <WIDTH x i64> @__masked_load_64(i8 * %ptr, <WIDTH x MASK> %mask)
call void @__use64(<WIDTH x i64> %ml64)
%lb8 = call <WIDTH x i8> @__load_and_broadcast_8(i8 * %ptr, <WIDTH x MASK> %mask)
%lb8 = call <WIDTH x i8> @__load_and_broadcast_i8(i8 * %ptr, <WIDTH x MASK> %mask)
call void @__use8(<WIDTH x i8> %lb8)
%lb16 = call <WIDTH x i16> @__load_and_broadcast_16(i8 * %ptr, <WIDTH x MASK> %mask)
%lb16 = call <WIDTH x i16> @__load_and_broadcast_i16(i8 * %ptr, <WIDTH x MASK> %mask)
call void @__use16(<WIDTH x i16> %lb16)
%lb32 = call <WIDTH x i32> @__load_and_broadcast_32(i8 * %ptr, <WIDTH x MASK> %mask)
%lb32 = call <WIDTH x i32> @__load_and_broadcast_i32(i8 * %ptr, <WIDTH x MASK> %mask)
call void @__use32(<WIDTH x i32> %lb32)
%lb64 = call <WIDTH x i64> @__load_and_broadcast_64(i8 * %ptr, <WIDTH x MASK> %mask)
%lb64 = call <WIDTH x i64> @__load_and_broadcast_i64(i8 * %ptr, <WIDTH x MASK> %mask)
call void @__use64(<WIDTH x i64> %lb64)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -2489,20 +2489,18 @@ i64minmax(WIDTH,max,uint64,ugt)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Emit code to safely load a scalar value and broadcast it across the
;; elements of a vector. Parameters:
;; $1: target vector width
;; $2: element type for which to emit the function (i32, i64, ...)
;; $3: suffix for function name (32, 64, ...)
;; elements of a vector. Parameter:
;; $1: element type for which to emit the function (i32, i64, ...)
define(`load_and_broadcast', `
define <$1 x $2> @__load_and_broadcast_$3(i8 *, <$1 x MASK> %mask) nounwind alwaysinline {
%ptr = bitcast i8 * %0 to $2 *
%val = load $2 * %ptr
define <WIDTH x $1> @__load_and_broadcast_$1(i8 *, <WIDTH x MASK> %mask) nounwind alwaysinline {
%ptr = bitcast i8 * %0 to $1 *
%val = load $1 * %ptr
%ret0 = insertelement <$1 x $2> undef, $2 %val, i32 0
forloop(i, 1, eval($1-1), `
%ret`'i = insertelement <$1 x $2> %ret`'eval(i-1), $2 %val, i32 i')
ret <$1 x $2> %ret`'eval($1-1)
%ret0 = insertelement <WIDTH x $1> undef, $1 %val, i32 0
forloop(i, 1, eval(WIDTH-1), `
%ret`'i = insertelement <WIDTH x $1> %ret`'eval(i-1), $1 %val, i32 i')
ret <WIDTH x $1> %ret`'eval(WIDTH-1)
}
')