From: pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Sun, 29 Jun 2008 15:25:29 +0000 (+0000)
Subject: Suppress bogus compiler warnings.
X-Git-Tag: stefano.display-merge-start~986
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=a50f5b9186c1bf76899365ab61b11d8ef487f4a8;p=qemu-xen-4.4-testing.git

Suppress bogus compiler warnings.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4803 c046a42c-6fe2-441c-8c8c-71466251a162
---

diff --git a/target-arm/translate.c b/target-arm/translate.c
index 701745225..b9b9838fe 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -3757,6 +3757,7 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn)
                     }
                 } else /* size == 0 */ {
                     if (load) {
+                        TCGV_UNUSED(tmp2);
                         for (n = 0; n < 4; n++) {
                             tmp = gen_ld8u(cpu_T[1], IS_USER(s));
                             gen_op_addl_T1_im(stride);
@@ -3812,6 +3813,8 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn)
                     break;
                 case 3:
                     return 1;
+                default: /* Avoid compiler warnings.  */
+                    abort();
                 }
                 gen_op_addl_T1_im(1 << size);
                 tmp2 = new_tmp();
@@ -3854,6 +3857,8 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn)
                     case 2:
                         tmp = gen_ld32(cpu_T[1], IS_USER(s));
                         break;
+                    default: /* Avoid compiler warnings.  */
+                        abort();
                     }
                     if (size != 2) {
                         tmp2 = neon_load_reg(rd, pass);
@@ -4856,9 +4861,11 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn)
                     NEON_GET_REG(T0, rn, 1);
                     gen_neon_movl_scratch_T0(2);
                 }
+                TCGV_UNUSED(tmp3);
                 for (pass = 0; pass < 2; pass++) {
                     if (src1_wide) {
                         neon_load_reg64(cpu_V0, rn + pass);
+                        TCGV_UNUSED(tmp);
                     } else {
                         if (pass == 1 && rd == rn) {
                             gen_neon_movl_T0_scratch(2);
@@ -4873,6 +4880,7 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn)
                     }
                     if (src2_wide) {
                         neon_load_reg64(cpu_V1, rm + pass);
+                        TCGV_UNUSED(tmp2);
                     } else {
                         if (pass == 1 && rd == rm) {
                             gen_neon_movl_T0_scratch(2);
@@ -5284,6 +5292,7 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn)
                 case 36: case 37: /* VMOVN, VQMOVUN, VQMOVN */
                     if (size == 3)
                         return 1;
+                    TCGV_UNUSED(tmp2);
                     for (pass = 0; pass < 2; pass++) {
                         neon_load_reg64(cpu_V0, rm + pass);
                         tmp = new_tmp();
@@ -6642,6 +6651,7 @@ static void disas_arm_insn(CPUState * env, DisasContext *s)
 
                 /* compute total size */
                 loaded_base = 0;
+                TCGV_UNUSED(loaded_var);
                 n = 0;
                 for(i=0;i<16;i++) {
                     if (insn & (1 << i))
@@ -8339,6 +8349,7 @@ static void disas_thumb_insn(CPUState *env, DisasContext *s)
                     tcg_gen_addi_i32(addr, addr, 4);
                 }
             }
+            TCGV_UNUSED(tmp);
             if (insn & (1 << 8)) {
                 if (insn & (1 << 11)) {
                     /* pop pc */
diff --git a/tcg/tcg.h b/tcg/tcg.h
index 9299176ab..2ce36b878 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -143,6 +143,9 @@ typedef int TCGv;
 
 #endif /* DEBUG_TCGV */
 
+/* Dummy definition to avoid compiler warnings.  */
+#define TCGV_UNUSED(x) x = MAKE_TCGV(-1)
+
 /* call flags */
 #define TCG_CALL_TYPE_MASK      0x000f
 #define TCG_CALL_TYPE_STD       0x0000 /* standard C call */