Module: Mesa
Branch: master
Commit: 876b42663c4a72040a2084ed094d5a496b86aecd
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=876b42663c4a72040a2084ed094d5a496b86aecd
Author: Vincent Lejeune <v...@ovi.com>
Date: Wed Oct 3 21:40:49 2012 +0200
radeon/llvm: add a pattern for fsqrt
Reviewed-by: Tom Stellard <thomas.stell...@amd.com>
---
src/gallium/drivers/radeon/R600Instructions.td | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/src/gallium/drivers/radeon/R600Instructions.td
b/src/gallium/drivers/radeon/R600Instructions.td
index 1689a2f..01a5bba 100644
--- a/src/gallium/drivers/radeon/R600Instructions.td
+++ b/src/gallium/drivers/radeon/R600Instructions.td
@@ -1018,6 +1018,9 @@ let Predicates = [isEGorCayman] in {
def : Pat<(fp_to_uint R600_Reg32:$src),
(FLT_TO_UINT_eg (TRUNC R600_Reg32:$src))>;
+ def : Pat<(fsqrt R600_Reg32:$src),
+ (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_eg R600_Reg32:$src))>;
+
//===----------------------------------------------------------------------===//
// Memory read/write instructions
//===----------------------------------------------------------------------===//
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