X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fia32_emitter.c;h=d8481b7e40e8fd76da7f4fa9041227029f48255d;hb=18814151f8c0ea17b2a7bf84c82ee3c2e66d6a6b;hp=188a9c0c4a40991bef81a061f6ebb6285b97ca94;hpb=1a26f4853c07d1ecd68a097409dd602edfe29eff;p=libfirm

diff --git a/ir/be/ia32/ia32_emitter.c b/ir/be/ia32/ia32_emitter.c
index 188a9c0c4..d8481b7e4 100644
--- a/ir/be/ia32/ia32_emitter.c
+++ b/ir/be/ia32/ia32_emitter.c
@@ -70,6 +70,7 @@
 #include "../be_dbgout.h"
 
 #include "ia32_emitter.h"
+#include "ia32_common_transform.h"
 #include "gen_ia32_emitter.h"
 #include "gen_ia32_regalloc_if.h"
 #include "ia32_nodes_attr.h"
@@ -157,20 +158,6 @@ static const arch_register_t *get_in_reg(const ir_node *irn, int pos)
 	if (reg == &ia32_gp_regs[REG_GP_NOREG])
 		panic("trying to emit noreg for %+F input %d", irn, pos);
 
-	/* in case of unknown register: just return a valid register */
-	if (reg == &ia32_gp_regs[REG_GP_UKNWN]) {
-		const arch_register_req_t *req = arch_get_register_req(irn, pos);
-
-		if (arch_register_req_is(req, limited)) {
-			/* in case of limited requirements: get the first allowed register */
-			unsigned idx = rbitset_next(req->limited, 0, 1);
-			reg = arch_register_for_index(req->cls, idx);
-		} else {
-			/* otherwise get first register in class */
-			reg = arch_register_for_index(req->cls, 0);
-		}
-	}
-
 	return reg;
 }
 
@@ -443,7 +430,7 @@ void ia32_emit_x87_mode_suffix(const ir_node *node)
 			case 128: be_emit_char('t'); return;
 		}
 	} else {
-		assert(mode_is_int(mode));
+		assert(mode_is_int(mode) || mode_is_reference(mode));
 		switch (get_mode_size_bits(mode)) {
 			case 16: be_emit_char('s');     return;
 			case 32: be_emit_char('l');     return;
@@ -1060,7 +1047,6 @@ static void emit_ia32_Jcc(const ir_node *node)
 	int            need_parity_label = 0;
 	const ir_node *proj_true;
 	const ir_node *proj_false;
-	const ir_node *block;
 	pn_Cmp         pnc = get_ia32_condcode(node);
 
 	pnc = determine_final_pnc(node, 0, pnc);
@@ -1072,8 +1058,6 @@ static void emit_ia32_Jcc(const ir_node *node)
 	proj_false = get_proj(node, pn_ia32_Jcc_false);
 	assert(proj_false && "Jcc without false Proj");
 
-	block      = get_nodes_block(node);
-
 	if (can_be_fallthrough(proj_true)) {
 		/* exchange both proj's so the second one can be omitted */
 		const ir_node *t = proj_true;
@@ -1683,16 +1667,6 @@ static void emit_be_IncSP(const ir_node *node)
 	}
 }
 
-static inline bool is_unknown_reg(const arch_register_t *reg)
-{
-	if (reg == &ia32_gp_regs[REG_GP_UKNWN]
-			|| reg == &ia32_xmm_regs[REG_XMM_UKNWN]
-			|| reg == &ia32_vfp_regs[REG_VFP_UKNWN])
-		return true;
-
-	return false;
-}
-
 /**
  * Emits code for Copy/CopyKeep.
  */
@@ -1704,8 +1678,6 @@ static void Copy_emitter(const ir_node *node, const ir_node *op)
 	if (in == out) {
 		return;
 	}
-	if (is_unknown_reg(in))
-		return;
 	/* copies of vf nodes aren't real... */
 	if (arch_register_get_class(in) == &ia32_reg_classes[CLASS_ia32_vfp])
 		return;
@@ -2726,7 +2698,7 @@ static void bemit_copy(const ir_node *copy)
 	const arch_register_t *in  = get_in_reg(copy, 0);
 	const arch_register_t *out = get_out_reg(copy, 0);
 
-	if (in == out || is_unknown_reg(in))
+	if (in == out)
 		return;
 	/* copies of vf nodes aren't real... */
 	if (arch_register_get_class(in) == &ia32_reg_classes[CLASS_ia32_vfp])