(addsf3): After using swap for 16 bit rotate,

branch back only if count still greater than 0.

From-SVN: r8529

diff --git a/gcc/config/m68k/lb1sf68.asm b/gcc/config/m68k/lb1sf68.asm
index 6e9124d165e10e6ae702438fd003da220231631f..5e53b06453623eff751ed3b047786fbd83b5eeaf 100644 (file)
--- a/gcc/config/m68k/lb1sf68.asm
+++ b/gcc/config/m68k/lb1sf68.asm
@@ -2089,7 +2089,8 @@ Laddsf$2:
        movew   d3,d2
        swap    d2
        subw    #16,d7
-       bra     2b
+       bne     2b              | if still more bits, go back to normal case
+       bra     Laddsf$3
 5:
        exg     d6,d7           | exchange the exponents
        subl    d6,d7           | keep the largest exponent
@@ -2112,7 +2113,8 @@ Laddsf$2:
        movew   d1,d0
        swap    d0
        subw    #16,d7
-       bra     6b
+       bne     6b              | if still more bits, go back to normal case
+                               | otherwise we fall through
 
 | Now we have a in d0-d1, b in d2-d3, and the largest exponent in d6 (the
 | signs are stored in a0 and a1).