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Add code generation of saturation

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This commit is contained in:
Vsevolod Livinskij
2013-11-29 18:40:04 +04:00
parent bec6662338
commit 4c330bc38b
8 changed files with 179 additions and 400 deletions
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52
builtins/util.m4
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@@ -49,6 +49,58 @@ define(`MASK_HIGH_BIT_ON',
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; vector convertation utilities
;; convert 4-wide vector into 8-wide vector
;;
;; $1: vector element type
;; $2: 4-wide vector
;; $3: 8-wide vector
define(`convert4to8', `
$3 = shufflevector <4 x $1> $2, <4 x $1> undef,
<8 x i32> <i32 0, i32 1, i32 2, i32 3,
i32 undef, i32 undef, i32 undef, i32 undef>
')
define(`convert4to16', `
$3 = shufflevector <4 x $1> $2, <4 x $1> undef,
<16 x i32> <i32 0, i32 1, i32 2, i32 3,
i32 undef, i32 undef, i32 undef, i32 undef,
i32 undef, i32 undef, i32 undef, i32 undef,
i32 undef, i32 undef, i32 undef, i32 undef>
')
define(`convert8to16', `
$3 = shufflevector <8 x $1> $2, <8 x $1> undef,
<16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7,
i32 undef, i32 undef, i32 undef, i32 undef,
i32 undef, i32 undef, i32 undef, i32 undef>
')
;; convert 4-wide vector into 8-wide vector
;;
;; $1: vector element type
;; $2: 8-wide vector
;; $3: 4-wide vector
define(`convert8to4', `
$3 = shufflevector <8 x $1> $2, <8 x $1> undef,
<4 x i32> <i32 0, i32 1, i32 2, i32 3>
')
define(`convert16to4', `
$3 = shufflevector <16 x $1> $2, <16 x $1> undef,
<4 x i32> <i32 0, i32 1, i32 2, i32 3>
')
define(`convert16to8', `
$3 = shufflevector <16 x $1> $2, <16 x $1> undef,
<8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
')
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; vector deconstruction utilities
;; split 8-wide vector into 2 4-wide vectors
;;