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

Add support for "new" and "delete" to the language.

Browse Source 
Issue #139.
This commit is contained in:
Matt Pharr
2012-01-27 14:47:06 -08:00
parent bdba3cd97d
commit 664dc3bdda
26 changed files with 938 additions and 167 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
builtins/util.m4
View File

@@ -1805,6 +1805,65 @@ ok:
ret void
}
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; new/delete
declare i8 * @malloc(i64)
declare void @free(i8 *)
define i8 * @__new_uniform(i64 %size) {
%a = call i8 * @malloc(i64 %size)
ret i8 * %a
}
define <WIDTH x i64> @__new_varying32(<WIDTH x i32> %size, <WIDTH x MASK> %mask) {
%ret = alloca <WIDTH x i64>
store <WIDTH x i64> zeroinitializer, <WIDTH x i64> * %ret
%ret64 = bitcast <WIDTH x i64> * %ret to i64 *
per_lane(WIDTH, <WIDTH x MASK> %mask, `
%sz_LANE_ID = extractelement <WIDTH x i32> %size, i32 LANE
%sz64_LANE_ID = zext i32 %sz_LANE_ID to i64
%ptr_LANE_ID = call i8 * @malloc(i64 %sz64_LANE_ID)
%ptr_int_LANE_ID = ptrtoint i8 * %ptr_LANE_ID to i64
%store_LANE_ID = getelementptr i64 * %ret64, i32 LANE
store i64 %ptr_int_LANE_ID, i64 * %store_LANE_ID')
%r = load <WIDTH x i64> * %ret
ret <WIDTH x i64> %r
}
define <WIDTH x i64> @__new_varying64(<WIDTH x i64> %size, <WIDTH x MASK> %mask) {
%ret = alloca <WIDTH x i64>
store <WIDTH x i64> zeroinitializer, <WIDTH x i64> * %ret
%ret64 = bitcast <WIDTH x i64> * %ret to i64 *
per_lane(WIDTH, <WIDTH x MASK> %mask, `
%sz_LANE_ID = extractelement <WIDTH x i64> %size, i32 LANE
%ptr_LANE_ID = call i8 * @malloc(i64 %sz_LANE_ID)
%ptr_int_LANE_ID = ptrtoint i8 * %ptr_LANE_ID to i64
%store_LANE_ID = getelementptr i64 * %ret64, i32 LANE
store i64 %ptr_int_LANE_ID, i64 * %store_LANE_ID')
%r = load <WIDTH x i64> * %ret
ret <WIDTH x i64> %r
}
define void @__delete_uniform(i8 * %ptr) {
call void @free(i8 * %ptr)
ret void
}
define void @__delete_varying(<WIDTH x i64> %ptr, <WIDTH x MASK> %mask) {
per_lane(WIDTH, <WIDTH x MASK> %mask, `
%iptr_LANE_ID = extractelement <WIDTH x i64> %ptr, i32 LANE
%ptr_LANE_ID = inttoptr i64 %iptr_LANE_ID to i8 *
call void @free(i8 * %ptr_LANE_ID)
')
ret void
}
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; read hw clock