[Mesa-dev] [PATCH 2/8] i965: Fix assertions about register types for INT DIV in brw_math.

Kenneth Graunke kenneth at whitecape.org
Wed Sep 28 17:37:51 PDT 2011


BRW_MATH_FUNCTION_REMAINDER was missing.  Also, it seems worthwhile to
assert that INT DIV's arguments are signed/unsigned integers.

Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
---
 src/mesa/drivers/dri/i965/brw_eu_emit.c |   15 +++++++++++----
 1 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c
index f9f8d49..52ed21b 100644
--- a/src/mesa/drivers/dri/i965/brw_eu_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c
@@ -1478,8 +1478,11 @@ void brw_math( struct brw_compile *p,
       assert(!src.negate);
       assert(!src.abs);
 
-      if (function != BRW_MATH_FUNCTION_INT_DIV_QUOTIENT &&
-	  function != BRW_MATH_FUNCTION_INT_DIV_QUOTIENT_AND_REMAINDER) {
+      if (function == BRW_MATH_FUNCTION_INT_DIV_QUOTIENT ||
+	  function == BRW_MATH_FUNCTION_INT_DIV_REMAINDER ||
+	  function == BRW_MATH_FUNCTION_INT_DIV_QUOTIENT_AND_REMAINDER) {
+	 assert(src.type != BRW_REGISTER_TYPE_F);
+      } else {
 	 assert(src.type == BRW_REGISTER_TYPE_F);
       }
 
@@ -1538,8 +1541,12 @@ void brw_math2(struct brw_compile *p,
    assert(src0.hstride == BRW_HORIZONTAL_STRIDE_1);
    assert(src1.hstride == BRW_HORIZONTAL_STRIDE_1);
 
-   if (function != BRW_MATH_FUNCTION_INT_DIV_QUOTIENT &&
-       function != BRW_MATH_FUNCTION_INT_DIV_QUOTIENT_AND_REMAINDER) {
+   if (function == BRW_MATH_FUNCTION_INT_DIV_QUOTIENT ||
+       function == BRW_MATH_FUNCTION_INT_DIV_REMAINDER ||
+       function == BRW_MATH_FUNCTION_INT_DIV_QUOTIENT_AND_REMAINDER) {
+      assert(src0.type != BRW_REGISTER_TYPE_F);
+      assert(src1.type != BRW_REGISTER_TYPE_F);
+   } else {
       assert(src0.type == BRW_REGISTER_TYPE_F);
       assert(src1.type == BRW_REGISTER_TYPE_F);
    }
-- 
1.7.6.1



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