diff --git a/libs/vkd3d-shader/glsl.c b/libs/vkd3d-shader/glsl.c
index 9bceaae4..1349a624 100644
--- a/libs/vkd3d-shader/glsl.c
+++ b/libs/vkd3d-shader/glsl.c
@@ -836,6 +836,9 @@ static void vkd3d_glsl_handle_instruction(struct vkd3d_glsl_generator *gen,
         case VKD3DSIH_ROUND_Z:
             shader_glsl_intrinsic(gen, ins, "trunc");
             break;
+        case VKD3DSIH_RSQ:
+            shader_glsl_intrinsic(gen, ins, "inversesqrt");
+            break;
         case VKD3DSIH_SQRT:
             shader_glsl_intrinsic(gen, ins, "sqrt");
             break;
diff --git a/tests/hlsl/normalize.shader_test b/tests/hlsl/normalize.shader_test
index 6b007c78..18815c93 100644
--- a/tests/hlsl/normalize.shader_test
+++ b/tests/hlsl/normalize.shader_test
@@ -8,7 +8,7 @@ float4 main() : SV_TARGET
 
 [test]
 uniform 0 float4 2.0 3.0 4.0 5.0
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (0.272165537, 0.408248305, 0.544331074, 0.680413842) 2
 
 [pixel shader]
@@ -21,7 +21,7 @@ float4 main() : SV_TARGET
 
 [test]
 uniform 0 float4 2.0 3.0 4.0 0.0
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (0.371390700, 0.557086051, 0.742781401, 0.0) 1
 
 [pixel shader]
@@ -34,7 +34,7 @@ float4 main() : SV_TARGET
 
 [test]
 uniform 0 float4 2.0 3.0 0.0 0.0
-todo(sm<4 | glsl) draw quad
+todo(sm<4) draw quad
 probe (0, 0) rgba (0.554700196, 0.832050323, 0.0, 0.0) 1
 
 [pixel shader]
@@ -47,7 +47,7 @@ float4 main() : SV_TARGET
 
 [test]
 uniform 0 float4 2.0 0.0 0.0 0.0
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (1.0, 1.0, 1.0, 1.0)
 
 [pixel shader]
@@ -60,7 +60,7 @@ float4 main() : SV_TARGET
 
 [test]
 uniform 0 float4 2.0 0.0 0.0 0.0
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (1.0, 1.0, 1.0, 1.0)
 
 [pixel shader fail]
diff --git a/tests/hlsl/sqrt.shader_test b/tests/hlsl/sqrt.shader_test
index 73235886..d576bf17 100644
--- a/tests/hlsl/sqrt.shader_test
+++ b/tests/hlsl/sqrt.shader_test
@@ -21,5 +21,5 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float4 1.0 9.0 4.0 16.0
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (1.0, 0.33333333, 0.5, 0.25) 1