2015-07-20 Uros Bizjak <ubiz...@gmail.com>
* config/i386/i386.c (ix86_md_asm_adjust): Handle DImode dest_mode
for !TARGET_64BIT.
testsuite/ChangeLog:
2015-07-20 Uros Bizjak <ubiz...@gmail.com>
* gcc.target/i386/asm-flag-5.c (f_ll): New.
Bootstrapped and regression tested on x86_64-linux-gnu {,m32}.
Committed to mainline SVN.
Uros.
Index: config/i386/i386.c
===================================================================
--- config/i386/i386.c (revision 225982)
+++ config/i386/i386.c (working copy)
@@ -45861,6 +45861,10 @@ ix86_md_asm_adjust (vec<rtx> &outputs, vec<rtx> &/
error ("invalid type for asm flag output");
continue;
}
+
+ if (dest_mode == DImode && !TARGET_64BIT)
+ dest_mode = SImode;
+
if (dest_mode != QImode)
{
rtx destqi = gen_reg_rtx (QImode);
@@ -45877,7 +45881,16 @@ ix86_md_asm_adjust (vec<rtx> &outputs, vec<rtx> &/
else
x = gen_rtx_ZERO_EXTEND (dest_mode, destqi);
}
- emit_insn (gen_rtx_SET (dest, x));
+
+ if (dest_mode != GET_MODE (dest))
+ {
+ rtx tmp = gen_reg_rtx (SImode);
+
+ emit_insn (gen_rtx_SET (tmp, x));
+ emit_insn (gen_zero_extendsidi2 (dest, tmp));
+ }
+ else
+ emit_insn (gen_rtx_SET (dest, x));
}
rtx_insn *seq = get_insns ();
end_sequence ();
Index: testsuite/gcc.target/i386/asm-flag-5.c
===================================================================
--- testsuite/gcc.target/i386/asm-flag-5.c (revision 225982)
+++ testsuite/gcc.target/i386/asm-flag-5.c (working copy)
@@ -7,6 +7,7 @@ void f_c(void) { char x; asm("" : "=@ccc"(x)); }
void f_s(void) { short x; asm("" : "=@ccc"(x)); }
void f_i(void) { int x; asm("" : "=@ccc"(x)); }
void f_l(void) { long x; asm("" : "=@ccc"(x)); }
+void f_ll(void) { long long x; asm("" : "=@ccc"(x)); }
void f_f(void)
{
