HADOOP-9707. Fix register lists for crc32c inline assembly. Contributed by Todd Lipcon.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1503390 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -612,6 +612,9 @@ Release 2.1.0-beta - 2013-07-02
     HADOOP-9656. Gridmix unit tests fail on Windows and Linux. (Chuan Liu via
     cnauroth)
 
+    HADOOP-9707. Fix register lists for crc32c inline assembly. (todd via
+    kihwal)
+
   BREAKDOWN OF HADOOP-8562 SUBTASKS AND RELATED JIRAS
 
     HADOOP-8924. Hadoop Common creating package-info.java must not depend on

hadoop-common-project/hadoop-common/src/main/native/src/org/apache/hadoop/util/bulk_crc32.c

@@ -427,7 +427,7 @@ static void pipelined_crc32c(uint32_t *crc1, uint32_t *crc2, uint32_t *crc3, con
         "crc32q (%7,%6,1), %1;\n\t"
         "crc32q (%7,%6,2), %2;\n\t"
          : "=r"(c1), "=r"(c2), "=r"(c3)
-         : "r"(c1), "r"(c2), "r"(c3), "r"(block_size), "r"(data)
+         : "0"(c1), "1"(c2), "2"(c3), "r"(block_size), "r"(data)
         );
         data++;
         counter--;
@@ -443,7 +443,7 @@ static void pipelined_crc32c(uint32_t *crc1, uint32_t *crc2, uint32_t *crc3, con
         "crc32b (%7,%6,1), %1;\n\t"
         "crc32b (%7,%6,2), %2;\n\t"
          : "=r"(c1), "=r"(c2), "=r"(c3)
-         : "r"(c1), "r"(c2), "r"(c3), "r"(block_size), "r"(bdata)
+         : "0"(c1), "1"(c2), "2"(c3), "r"(block_size), "r"(bdata)
         );
         bdata++;
         remainder--;
@@ -456,7 +456,7 @@ static void pipelined_crc32c(uint32_t *crc1, uint32_t *crc2, uint32_t *crc3, con
         "crc32q (%5), %0;\n\t"
         "crc32q (%5,%4,1), %1;\n\t"
          : "=r"(c1), "=r"(c2) 
-         : "r"(c1), "r"(c2), "r"(block_size), "r"(data)
+         : "0"(c1), "1"(c2), "r"(block_size), "r"(data)
         );
         data++;
         counter--;
@@ -468,7 +468,7 @@ static void pipelined_crc32c(uint32_t *crc1, uint32_t *crc2, uint32_t *crc3, con
         "crc32b (%5), %0;\n\t"
         "crc32b (%5,%4,1), %1;\n\t"
          : "=r"(c1), "=r"(c2) 
-         : "r"(c1), "r"(c2), "r"(block_size), "r"(bdata)
+         : "0"(c1), "1"(c2), "r"(block_size), "r"(bdata)
         );
         bdata++;
         remainder--;
@@ -480,7 +480,7 @@ static void pipelined_crc32c(uint32_t *crc1, uint32_t *crc2, uint32_t *crc3, con
         __asm__ __volatile__(
         "crc32q (%2), %0;\n\t"
          : "=r"(c1) 
-         : "r"(c1), "r"(data)
+         : "0"(c1), "r"(data)
         );
         data++;
         counter--;
@@ -490,7 +490,7 @@ static void pipelined_crc32c(uint32_t *crc1, uint32_t *crc2, uint32_t *crc3, con
         __asm__ __volatile__(
         "crc32b (%2), %0;\n\t"
          : "=r"(c1) 
-         : "r"(c1), "r"(bdata)
+         : "0"(c1), "r"(bdata)
         );
         bdata++;
         remainder--;