diff options
| author | Michael Meissner <meissner@gcc.gnu.org> | 1993-10-13 14:57:48 +0000 |
|---|---|---|
| committer | Michael Meissner <meissner@gcc.gnu.org> | 1993-10-13 14:57:48 +0000 |
| commit | cd93179bd4b7aaa62111c9d9d5bf83770bdcd0c9 (patch) | |
| tree | b2ee840540c85d4993696609ffc7b796eb231030 /gcc/config/i386 | |
| parent | eb5ad42ab31f67d1434271023648a2401380ff01 (diff) | |
| download | gcc-cd93179bd4b7aaa62111c9d9d5bf83770bdcd0c9.zip gcc-cd93179bd4b7aaa62111c9d9d5bf83770bdcd0c9.tar.gz gcc-cd93179bd4b7aaa62111c9d9d5bf83770bdcd0c9.tar.bz2 | |
Define ASM_OUTPUT_ADDR_DIFF_ELT; save some cycles in profiling.
From-SVN: r5770
Diffstat (limited to 'gcc/config/i386')
| -rw-r--r-- | gcc/config/i386/osfrose.h | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/gcc/config/i386/osfrose.h b/gcc/config/i386/osfrose.h index 42b1037..2b94588 100644 --- a/gcc/config/i386/osfrose.h +++ b/gcc/config/i386/osfrose.h @@ -200,8 +200,7 @@ do \ fprintf (FILE, "\tmovl $%sP%d,%%edx\n", lprefix, labelno); \ fprintf (FILE, "\tmovl %s%s,%%eax\n", prefix, \ XSTR (symref, 0)); \ - fprintf (FILE, "\tmovl (%%eax),%%eax\n"); \ - fprintf (FILE, "\tcall *%%eax\n"); \ + fprintf (FILE, "\tcall *(%%eax)\n"); \ } \ \ else \ @@ -216,8 +215,7 @@ do \ lprefix, labelno); \ fprintf (FILE, "\tmovl %s_mcount_ptr@GOT(%%eax),%%eax\n", \ prefix); \ - fprintf (FILE, "\tmovl (%%eax),%%eax\n"); \ - fprintf (FILE, "\tcall *%%eax\n"); \ + fprintf (FILE, "\tcall *(%%eax)\n"); \ } \ } \ \ @@ -271,8 +269,7 @@ do \ HALF_PIC_EXTERNAL ("mcount"); \ symdef = HALF_PIC_PTR (gen_rtx (SYMBOL_REF, Pmode, "mcount")); \ fprintf (FILE, "\tmovl $%sP%d,%%edx\n", lprefix, labelno); \ - fprintf (FILE, "\tmovl %s%s,%%eax\n", prefix, XSTR (symdef, 0)); \ - fprintf (FILE, "\tcall *%%eax\n"); \ + fprintf (FILE, "\tcall *%s%s\n", prefix, XSTR (symdef, 0)); \ } \ \ else if (TARGET_MCOUNT) \ @@ -288,8 +285,7 @@ do \ fprintf (FILE, "\tleal $%sP%d@GOTOFF(%%ebx),%%edx\n", \ lprefix, labelno); \ fprintf (FILE, "\tmovl _mcount_ptr@GOT(%%eax),%%eax\n"); \ - fprintf (FILE, "\tmovl (%%eax),%%eax\n"); \ - fprintf (FILE, "\tcall *%%eax\n"); \ + fprintf (FILE, "\tcall *(%%eax)\n"); \ fprintf (FILE, "\tpopl %%eax\n"); \ } \ \ @@ -424,6 +420,14 @@ while (0) #define ASM_OUTPUT_LABELREF(FILE,NAME) \ fprintf (FILE, "%s%s", (TARGET_UNDERSCORES) ? "_" : "", NAME) +/* This is how to output an element of a case-vector that is relative. + This is only used for PIC code. See comments by the `casesi' insn in + i386.md for an explanation of the expression this outputs. */ + +#undef ASM_OUTPUT_ADDR_DIFF_ELT +#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \ + fprintf (FILE, "\t.long _GLOBAL_OFFSET_TABLE_+[.-%s%d]\n", LPREFIX, VALUE) + /* A C expression to output text to align the location counter in the way that is desirable at a point in the code that is reached only by jumping. |