From: Dan White <dan@whiteaudio.com>
Date: Sun, 1 Feb 2015 17:00:40 +0000 (-0600)
Subject: Remove inline ASM for /% word.
X-Git-Tag: cheetah~9
X-Git-Url: http://git.whiteaudio.com/gitweb/?a=commitdiff_plain;h=d389c075bc9b51199b1887f263ba215419c6e3a7;p=430.git

Remove inline ASM for /% word.

This was used with the mspgcc in Ubuntu 12.04 LTS, the libc function
__divmodhi4 was unnecessarily called twice.  The updated mspgcc in
Ubuntu 14.04 LTS:
  "msp430-gcc (GCC) 4.6.3 20120301 (mspgcc LTS 20120406 unpatched)"
used from now has a (better?) libc and compilation of the libc.  Also,
__divmodhi4 is not present anyway in the new libc and therefore throws an
error.
---

diff --git a/msp4th/msp4th.c b/msp4th/msp4th.c
index d72a4a1..5684e88 100644
--- a/msp4th/msp4th.c
+++ b/msp4th/msp4th.c
@@ -1056,24 +1056,10 @@ void execVM(int16_t opcode)
             break;
 
         case  5: // /%  ( a b -- a/b a%b )
-#if defined(MSP430)
-            /* directly call divmodhi4, gcc calls it twice even though the fn returns
-             * both values in one call */
-            asm("mov 2(%[ms]), r12\n"
-                "mov 0(%[ms]), r10\n"
-                "call #__divmodhi4\n"
-                "mov r12, 2(%[mso])\n"
-                "mov r14, 0(%[mso])\n"
-                : [mso] "+r" (mathStackPtr) /* outputs */
-                : [ms] "r" (mathStackPtr) /* inputs */
-                : /* clobbers */ "r10","r11","r12","r13","r14"
-               );
-#else
             i = NOS;
             j = TOS;
             NOS = i / j;
             TOS = i % j;
-#endif
             break;
 
         case  6: // .  ( a -- )