* src/vm/jit/x86_64/codegen.c (codegen): Use argument registers

directly in exception stubs, instead of temporary ones. This reduces
code-size about 150kB for -all.

diff --git a/src/vm/jit/x86_64/codegen.c b/src/vm/jit/x86_64/codegen.c
index 50e9842245cf7b98161614a1a9f66feaa13e94d5..4007cc2df4084fe45e13f40b3d5c3d68fd9417b2 100644 (file)
--- a/src/vm/jit/x86_64/codegen.c
+++ b/src/vm/jit/x86_64/codegen.c
@@ -30,7 +30,7 @@
    Changes: Christian Ullrich
             Edwin Steiner
 
-   $Id: codegen.c 4760 2006-04-12 20:06:23Z edwin $
+   $Id: codegen.c 4764 2006-04-13 09:32:09Z twisti $
 
 */
 
@@ -3888,16 +3888,16 @@ gen_method:
 
                        /* Check if the exception is an
                           ArrayIndexOutOfBoundsException.  If so, move index register
-                          into REG_ITMP1. */
+                          into a4. */
 
                        if (eref->reg != -1)
-                               M_MOV(eref->reg, REG_ITMP1);
+                               M_MOV(eref->reg, rd->argintregs[4]);
 
                        /* calcuate exception address */
 
-                       M_MOV_IMM(0, REG_ITMP2_XPC);
+                       M_MOV_IMM(0, rd->argintregs[3]);
                        dseg_adddata(cd, cd->mcodeptr);
-                       M_AADD_IMM32(eref->branchpos - 6, REG_ITMP2_XPC);
+                       M_AADD_IMM32(eref->branchpos - 6, rd->argintregs[3]);
 
                        /* move function to call into REG_ITMP3 */
 
@@ -3912,11 +3912,9 @@ gen_method:
                                x86_64_lea_membase_reg(cd, RIP, -(((ptrint) cd->mcodeptr + 7) - (ptrint) cd->mcodebase), rd->argintregs[0]);
                                M_MOV(REG_SP, rd->argintregs[1]);
                                M_ALD(rd->argintregs[2], REG_SP, stackframesize * 8);
-                               M_MOV(REG_ITMP2_XPC, rd->argintregs[3]);
-                               M_MOV(REG_ITMP1, rd->argintregs[4]);            /* for AIOOBE */
 
                                M_ASUB_IMM(2 * 8, REG_SP);
-                               M_AST(REG_ITMP2_XPC, REG_SP, 0 * 8);
+                               M_AST(rd->argintregs[3], REG_SP, 0 * 8);         /* store XPC */
 
                                M_CALL(REG_ITMP3);