diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
index 2123683..6dc2f24 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
@@ -506,6 +506,7 @@ emit_fetch(
    const unsigned chan_index )
 {
    const struct tgsi_full_src_register *reg = &inst->Src[src_op];
+   const struct lp_type type = bld->base.type;
    const unsigned swizzle =
       tgsi_util_get_full_src_register_swizzle(reg, chan_index);
    LLVMValueRef res;
@@ -612,11 +613,17 @@ emit_fetch(
    case TGSI_UTIL_SIGN_SET:
       /* TODO: Use bitwese OR for floating point */
       res = lp_build_abs( &bld->base, res );
-      res = LLVMBuildNeg( bld->base.builder, res, "" );
+      if (type.floating)
+         res = LLVMBuildFNeg( bld->base.builder, res, "" );
+      else
+         res = LLVMBuildNeg( bld->base.builder, res, "" );
       break;
 
    case TGSI_UTIL_SIGN_TOGGLE:
-      res = LLVMBuildNeg( bld->base.builder, res, "" );
+      if (type.floating)
+         res = LLVMBuildFNeg( bld->base.builder, res, "" );
+      else
+         res = LLVMBuildNeg( bld->base.builder, res, "" );
       break;
 
    case TGSI_UTIL_SIGN_KEEP: