From: Jay Krell <jaykrell@microsoft.com>
Date: Thu, 13 Jun 2019 09:09:58 +0000 (-0700)
Subject: intrinsics.c: In function 'mini_emit_inst_for_method':
X-Git-Tag: submit/tizen/20210909.063632~10331^2~5^2~1132
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ca6258df8db9c968f75f62e9dad7107eec01bd54;p=platform%2Fupstream%2Fdotnet%2Fruntime.git

intrinsics.c: In function 'mini_emit_inst_for_method':
intrinsics.c:1580:11: warning: 'result' may be used uninitialized in this function [-Wmaybe-uninitialized]
     *dest = result;
     ~~~~~~^~~~~~~~


Commit migrated from https://github.com/mono/mono/commit/9c70b53cc39bd1347ed714e7a2e567a0c761246a
---

diff --git a/src/mono/mono/mini/intrinsics.c b/src/mono/mono/mini/intrinsics.c
index 18b9d28..dbff853 100644
--- a/src/mono/mono/mini/intrinsics.c
+++ b/src/mono/mono/mini/intrinsics.c
@@ -1462,7 +1462,7 @@ mini_emit_inst_for_method (MonoCompile *cfg, MonoMethod *cmethod, MonoMethodSign
 		 * we avoid folding constants that when computed would raise an error, in
 		 * case the user code was expecting to get that error raised
 		 */
-		if (fsig->param_count == 1 && args [0]->opcode == OP_R8CONST){
+		if (fsig->param_count == 1 && args [0]->opcode == OP_R8CONST) {
 			double source = *(double *)args [0]->inst_p0;
 			int opcode = 0;
 			const char *mname = cmethod->name;
@@ -1471,63 +1471,63 @@ mini_emit_inst_for_method (MonoCompile *cfg, MonoMethod *cmethod, MonoMethodSign
 			if (c == 'A'){
 				if (strcmp (mname, "Abs") == 0 && fsig->params [0]->type == MONO_TYPE_R8) {
 					opcode = OP_ABS;
-				} else if (strcmp (mname, "Asin") == 0){
+				} else if (strcmp (mname, "Asin") == 0) {
 					if (fabs (source) <= 1)
 						opcode = OP_ASIN;
-				} else if (strcmp (mname, "Asinh") == 0){
+				} else if (strcmp (mname, "Asinh") == 0) {
 					opcode = OP_ASINH;
-				} else if (strcmp (mname, "Acos") == 0){
+				} else if (strcmp (mname, "Acos") == 0) {
 					if (fabs (source) <= 1)
 						opcode = OP_ACOS;
-				} else if (strcmp (mname, "Acosh") == 0){
+				} else if (strcmp (mname, "Acosh") == 0) {
 					if (source >= 1)
 						opcode = OP_ACOSH;
-				} else if (strcmp (mname, "Atan") == 0){
+				} else if (strcmp (mname, "Atan") == 0) {
 					opcode = OP_ATAN;
-				} else if (strcmp (mname, "Atanh") == 0){
+				} else if (strcmp (mname, "Atanh") == 0) {
 					if (fabs (source) < 1)
 						opcode = OP_ATANH;
 				} 
-			} else if (c == 'C'){
+			} else if (c == 'C') {
 				if (strcmp (mname, "Cos") == 0) {
 					if (!isinf (source))
 						opcode = OP_COS;
-				} else if (strcmp (mname, "Cbrt") == 0){
+				} else if (strcmp (mname, "Cbrt") == 0) {
 					opcode = OP_CBRT;
-				} else if (strcmp (mname, "Cosh") == 0){
+				} else if (strcmp (mname, "Cosh") == 0) {
 					opcode = OP_COSH;
 				}
-			} else if (c == 'R'){
+			} else if (c == 'R') {
 				if (strcmp (mname, "Round") == 0)
 					opcode = OP_ROUND;
-			} else if (c == 'S'){
+			} else if (c == 'S') {
 				if (strcmp (mname, "Sin") == 0) {
 					if (!isinf (source))
 						opcode = OP_SIN;
 				} else if (strcmp (mname, "Sqrt") == 0) {
 					if (source >= 0)
 						opcode = OP_SQRT;
-				} else if (strcmp (mname, "Sinh") == 0){
+				} else if (strcmp (mname, "Sinh") == 0) {
 					opcode = OP_SINH;
 				}
-			} else if (c == 'T'){
+			} else if (c == 'T') {
 				if (strcmp (mname, "Tan") == 0){
 					if (!isinf (source))
 						opcode = OP_TAN;
-				} else if (strcmp (mname, "Tanh") == 0){
+				} else if (strcmp (mname, "Tanh") == 0) {
 					opcode = OP_TANH;
 				}
 			}
 
 			if (opcode) {
 				double *dest = (double *) mono_domain_alloc (cfg->domain, sizeof (double));
-				double result;
+				double result = 0;
 				MONO_INST_NEW (cfg, ins, OP_R8CONST);
 				ins->type = STACK_R8;
 				ins->dreg = mono_alloc_dreg (cfg, (MonoStackType) ins->type);
 				ins->inst_p0 = dest;
 				
-				switch (opcode){
+				switch (opcode) {
 				case OP_ABS:
 					result = fabs (source);
 					break;
@@ -1576,6 +1576,8 @@ mini_emit_inst_for_method (MonoCompile *cfg, MonoMethod *cmethod, MonoMethodSign
 				case OP_TANH:
 					result = tanh (source);
 					break;
+				default:
+					g_error ("invalid opcode %d", (int)opcode);
 				}
 				*dest = result;
 				MONO_ADD_INS (cfg->cbb, ins);