(extv, extzv): Don't use ROTL when field is outside boundaries of a

word.

From-SVN: r8000

diff --git a/gcc/config/vax/vax.md b/gcc/config/vax/vax.md
index 96d7f91e74ba5a834e47d715bd63045c8a23b9b9..d3368626ac5bc3eba442ed51d6545fa54c97e265 100644 (file)
--- a/gcc/config/vax/vax.md
+++ b/gcc/config/vax/vax.md
@@ -1495,6 +1495,7 @@
   if (GET_CODE (operands[0]) != REG || GET_CODE (operands[2]) != CONST_INT
       || GET_CODE (operands[3]) != CONST_INT
       || (INTVAL (operands[2]) != 8 && INTVAL (operands[2]) != 16)
+      || INTVAL (operands[2]) + INTVAL (operands[3]) > 32
       || side_effects_p (operands[1])
       || (GET_CODE (operands[1]) == MEM
          && mode_dependent_address_p (XEXP (operands[1], 0))))
@@ -1514,6 +1515,7 @@
 {
   if (GET_CODE (operands[0]) != REG || GET_CODE (operands[2]) != CONST_INT
       || GET_CODE (operands[3]) != CONST_INT
+      || INTVAL (operands[2]) + INTVAL (operands[3]) > 32
       || side_effects_p (operands[1])
       || (GET_CODE (operands[1]) == MEM
          && mode_dependent_address_p (XEXP (operands[1], 0))))