Mercurial > hg > CbC > old > device

diff mc-code-ia32.c @ 436:d92786033042 loprtc-div

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loprtc
author kono
date Sun, 14 Nov 2004 15:41:05 +0900
parents d3e6359f8501
children 626d705471d5
line wrap: on
line diff
--- a/mc-code-ia32.c	Thu Nov 11 00:39:37 2004 +0900
+++ b/mc-code-ia32.c	Sun Nov 14 15:41:05 2004 +0900
@@ -2923,6 +2923,11 @@
     case LRSHIFT:
     case LURSHIFT:
 	return (0<=l&&l<=63);
+    case LMUL:
+    case LUMUL:
+    case LUDIV:
+    /* case LDIV: */
+	return -0x10000000LL<l&&l<0x10000000LL && ilog(l);
     case LADD:
     case LSUB:
     case LBAND:
@@ -2952,6 +2957,8 @@
     opl = 0;
 
     switch(op) {
+    case LMUL: case LUMUL:
+        vl=il=ilog(il);
     case LLSHIFT:
     case LULSHIFT:
 	if (il==0) return;
@@ -2983,6 +2990,8 @@
         printf("\tshrdl $%d,%s,%s\n",(int)il,l_edx(reg),l_eax(reg));
         printf("\tsarl $%d,%s\n",(int)il,l_edx(reg));
 	return;
+    case LUDIV:
+        il=ilog(il);
     case LURSHIFT:
 	if (il==0) return;
 	else if (il==32) {