From: Michael Beck <beck@ipd.info.uni-karlsruhe.de>
Date: Tue, 28 Mar 2006 17:12:23 +0000 (+0000)
Subject: set the used_x87 flag when a virtual x87 instruction is emitted
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=e91ddc5da31fa23e1d1fb94374c54cba5772e3fd;p=libfirm

set the used_x87 flag when a virtual x87 instruction is emitted
---

diff --git a/ir/be/ia32/ia32_transform.c b/ir/be/ia32/ia32_transform.c
index 9c22a5b90..26d41d5dc 100644
--- a/ir/be/ia32/ia32_transform.c
+++ b/ir/be/ia32/ia32_transform.c
@@ -449,6 +449,7 @@ static ir_node *gen_Add(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
 		if (USE_SSE2(env->cg))
 			return gen_binop(env, op1, op2, new_rd_ia32_fAdd);
 		else {
+			env->cg->used_x87 = 1;
 			return gen_binop(env, op1, op2, new_rd_ia32_vfadd);
 		}
 	}
@@ -532,8 +533,10 @@ static ir_node *gen_Mul(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
 	if (mode_is_float(env->mode)) {
 		if (USE_SSE2(env->cg))
 			new_op = gen_binop(env, op1, op2, new_rd_ia32_fMul);
-		else
+		else {
+			env->cg->used_x87 = 1;
 			new_op = gen_binop(env, op1, op2, new_rd_ia32_vfmul);
+		}
 	}
 	else {
 		new_op = gen_binop(env, op1, op2, new_rd_ia32_Mul);
@@ -642,7 +645,12 @@ static ir_node *gen_Max(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
 	ir_node *new_op;
 
 	if (mode_is_float(env->mode)) {
-		new_op = gen_binop(env, op1, op2, new_rd_ia32_fMax);
+		if (USE_SSE2(env->cg))
+			new_op = gen_binop(env, op1, op2, new_rd_ia32_fMax);
+		else {
+			env->cg->used_x87 = 1;
+			assert(0);
+		}
 	}
 	else {
 		new_op = new_rd_ia32_Max(env->dbg, env->irg, env->block, op1, op2, env->mode);
@@ -667,7 +675,12 @@ static ir_node *gen_Min(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
 	ir_node *new_op;
 
 	if (mode_is_float(env->mode)) {
-		new_op = gen_binop(env, op1, op2, new_rd_ia32_fMin);
+		if (USE_SSE2(env->cg))
+			new_op = gen_binop(env, op1, op2, new_rd_ia32_fMin);
+		else {
+			env->cg->used_x87 = 1;
+			assert(0);
+		}
 	}
 	else {
 		new_op = new_rd_ia32_Min(env->dbg, env->irg, env->block, op1, op2, env->mode);
@@ -754,8 +767,10 @@ static ir_node *gen_Sub(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
 	if (mode_is_float(mode)) {
 		if (USE_SSE2(env->cg))
 			return gen_binop(env, op1, op2, new_rd_ia32_fSub);
-		else
+		else {
+			env->cg->used_x87 = 1;
 			return gen_binop(env, op1, op2, new_rd_ia32_vfsub);
+		}
 	}
 	else {
 		/* integer SUB */
@@ -1118,6 +1133,7 @@ static ir_node *gen_Minus(ia32_transform_env_t *env, ir_node *op) {
 			new_op = new_rd_Proj(env->dbg, env->irg, env->block, new_op, env->mode, 0);
 		}
 		else {
+			env->cg->used_x87 = 1;
 			new_op = new_rd_ia32_vfchs(env->dbg, env->irg, env->block, op, env->mode);
 			SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env));
 		}
@@ -1181,6 +1197,7 @@ static ir_node *gen_Abs(ia32_transform_env_t *env, ir_node *op) {
 			res = new_rd_Proj(dbg, irg, block, res, mode, 0);
 		}
 		else {
+			env->cg->used_x87 = 1;
 			res = new_rd_ia32_vfabs(dbg, irg, block, op, mode);
 			SET_IA32_ORIG_NODE(res, ia32_get_old_node_name(env));
 		}
@@ -1238,8 +1255,10 @@ static ir_node *gen_Load(ia32_transform_env_t *env) {
 	if (mode_is_float(mode)) {
 		if (USE_SSE2(env->cg))
 			new_op = new_rd_ia32_fLoad(env->dbg, env->irg, env->block, ptr, noreg, get_Load_mem(node), env->mode);
-		else
+		else {
+			env->cg->used_x87 = 1;
 			new_op = new_rd_ia32_vfld(env->dbg, env->irg, env->block, ptr, noreg, get_Load_mem(node), env->mode);
+		}
 	}
 	else {
 		new_op = new_rd_ia32_Load(env->dbg, env->irg, env->block, ptr, noreg, get_Load_mem(node), env->mode);
@@ -1309,8 +1328,10 @@ static ir_node *gen_Store(ia32_transform_env_t *env) {
 	if (mode_is_float(mode)) {
 		if (USE_SSE2(env->cg))
 			new_op = new_rd_ia32_fStore(env->dbg, env->irg, env->block, ptr, noreg, sval, mem, mode_T);
-		else
+		else {
+			env->cg->used_x87 = 1;
 			new_op = new_rd_ia32_vfst(env->dbg, env->irg, env->block, ptr, noreg, sval, mem, mode_T);
+		}
 	}
 	else if (get_mode_size_bits(mode) == 8) {
 		new_op = new_rd_ia32_Store8Bit(env->dbg, env->irg, env->block, ptr, noreg, sval, mem, mode_T);
@@ -1406,7 +1427,12 @@ static ir_node *gen_Cond(ia32_transform_env_t *env) {
 			}
 
 			if (mode_is_float(get_irn_mode(expr))) {
-				res = new_rd_ia32_fCondJmp(dbg, irg, block, noreg, noreg, expr, noreg, nomem, mode_T);
+				if (USE_SSE2(env->cg))
+					res = new_rd_ia32_fCondJmp(dbg, irg, block, noreg, noreg, expr, noreg, nomem, mode_T);
+				else {
+					env->cg->used_x87 = 1;
+					assert(0);
+				}
 			}
 			else {
 				res = new_rd_ia32_CondJmp(dbg, irg, block, noreg, noreg, expr, noreg, nomem, mode_T);
@@ -1416,7 +1442,12 @@ static ir_node *gen_Cond(ia32_transform_env_t *env) {
 		}
 		else {
 			if (mode_is_float(get_irn_mode(cmp_a))) {
-				res = new_rd_ia32_fCondJmp(dbg, irg, block, noreg, noreg, cmp_a, cmp_b, nomem, mode_T);
+				if (USE_SSE2(env->cg))
+					res = new_rd_ia32_fCondJmp(dbg, irg, block, noreg, noreg, cmp_a, cmp_b, nomem, mode_T);
+				else {
+					env->cg->used_x87 = 1;
+					assert(0);
+				}
 			}
 			else {
 				res = new_rd_ia32_CondJmp(dbg, irg, block, noreg, noreg, cmp_a, cmp_b, nomem, mode_T);
@@ -1688,8 +1719,10 @@ static ir_node *gen_StackParam(ia32_transform_env_t *env) {
 	if (mode_is_float(mode)) {
 		if (USE_SSE2(env->cg))
 			new_op = new_rd_ia32_fLoad(env->dbg, env->irg, env->block, ptr, noreg, mem, mode_T);
-		else
+		else {
+			env->cg->used_x87 = 1;
 			new_op = new_rd_ia32_vfld(env->dbg, env->irg, env->block, ptr, noreg, mem, mode_T);
+		}
 	}
 	else {
 		new_op = new_rd_ia32_Load(env->dbg, env->irg, env->block, ptr, noreg, mem, mode_T);
@@ -1744,8 +1777,10 @@ static ir_node *gen_FrameLoad(ia32_transform_env_t *env) {
 	if (mode_is_float(mode)) {
 		if (USE_SSE2(env->cg))
 			new_op = new_rd_ia32_fLoad(env->dbg, env->irg, env->block, ptr, noreg, mem, mode_T);
-		else
+		else {
+			env->cg->used_x87 = 1;
 			new_op = new_rd_ia32_vfld(env->dbg, env->irg, env->block, ptr, noreg, mem, mode_T);
+		}
 	}
 	else {
 		new_op = new_rd_ia32_Load(env->dbg, env->irg, env->block, ptr, noreg, mem, mode_T);
@@ -1781,8 +1816,10 @@ static ir_node *gen_FrameStore(ia32_transform_env_t *env) {
 	if (mode_is_float(mode)) {
 		if (USE_SSE2(env->cg))
 			new_op = new_rd_ia32_fStore(env->dbg, env->irg, env->block, ptr, noreg, val, mem, mode_T);
-		else
+		else {
+			env->cg->used_x87 = 1;
 			new_op = new_rd_ia32_vfst(env->dbg, env->irg, env->block, ptr, noreg, val, mem, mode_T);
+		}
 	}
 	else if (get_mode_size_bits(mode) == 8) {
 		new_op = new_rd_ia32_Store8Bit(env->dbg, env->irg, env->block, ptr, noreg, val, mem, mode_T);