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-rw-r--r--src/gallium/drivers/radeon/R600Instructions.td3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/R600Instructions.td b/src/gallium/drivers/radeon/R600Instructions.td
index 1689a2f4ab8..01a5bba3431 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
//===----------------------------------------------------------------------===//