gcc/

[pf3gnuchains/gcc-fork.git] / gcc / config / i386 / i386.h

diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
index 7a54cba..e140bd2 100644 (file)
--- a/gcc/config/i386/i386.h
+++ b/gcc/config/i386/i386.h
@@ -1218,7 +1218,7 @@ enum reg_class
    (C) == 'l' ? INDEX_REGS :                                   \
    NO_REGS)
 
-/* The letters I, J, K, L and M in a register constraint string
+/* The letters I, J, K, L, M, N, and O in a register constraint string
    can be used to stand for particular ranges of immediate operands.
    This macro defines what the ranges are.
    C is the letter, and VALUE is a constant value.
@@ -1230,6 +1230,7 @@ enum reg_class
    L is for andsi as zero-extending move.
    M is for shifts that can be executed by the "lea" opcode.
    N is for immediate operands for out/in instructions (0-255)
+   O is for TImode shifts.
    */
 
 #define CONST_OK_FOR_LETTER_P(VALUE, C)                                \
@@ -1239,6 +1240,7 @@ enum reg_class
    : (C) == 'L' ? (VALUE) == 0xff || (VALUE) == 0xffff         \
    : (C) == 'M' ? (VALUE) >= 0 && (VALUE) <= 3                 \
    : (C) == 'N' ? (VALUE) >= 0 && (VALUE) <= 255               \
+   : (C) == 'O' ? (VALUE) >= 0 && (VALUE) <= 127               \
    : 0)
 
 /* Similar, but for floating constants, and defining letters G and H.