1 files changed, 4 insertions, 3 deletions

diff --git a/src/lj_target_mips.h b/src/lj_target_mips.h
index 308dd7ce..1b061943 100644
--- a/src/lj_target_mips.h
+++ b/src/lj_target_mips.h
@@ -32,6 +32,7 @@ enum {
   RID_MAX,
   RID_ZERO = RID_R0,
   RID_TMP = RID_RA,
+  RID_GP = RID_R28,
 
   /* Calling conventions. */
   RID_RET = RID_R2,
@@ -74,10 +75,10 @@ enum {
 
 /* -- Register sets ------------------------------------------------------- */
 
-/* Make use of all registers, except ZERO, TMP, SP, SYS1, SYS2 and JGL. */
+/* Make use of all registers, except ZERO, TMP, SP, SYS1, SYS2, JGL and GP. */
 #define RSET_FIXED \
   (RID2RSET(RID_ZERO)|RID2RSET(RID_TMP)|RID2RSET(RID_SP)|\
-   RID2RSET(RID_SYS1)|RID2RSET(RID_SYS2)|RID2RSET(RID_JGL))
+   RID2RSET(RID_SYS1)|RID2RSET(RID_SYS2)|RID2RSET(RID_JGL)|RID2RSET(RID_GP))
 #define RSET_GPR        (RSET_RANGE(RID_MIN_GPR, RID_MAX_GPR) - RSET_FIXED)
 #if LJ_SOFTFP
 #define RSET_FPR        0
@@ -97,7 +98,7 @@ enum {
 
 #define RSET_SCRATCH_GPR \
   (RSET_RANGE(RID_R1, RID_R15+1)|\
-   RID2RSET(RID_R24)|RID2RSET(RID_R25)|RID2RSET(RID_R28))
+   RID2RSET(RID_R24)|RID2RSET(RID_R25))
 #if LJ_SOFTFP
 #define RSET_SCRATCH_FPR        0
 #else